
HOUSE EXTENSIONS IN ST ALBANS
Extend your home with a carefully planned, well-managed building project, delivered with quality workmanship and attention to detail from start to finish.


HOUSE EXTENSIONS IN ST ALBANS
Extend your home with a carefully planned, well-managed building project, delivered with quality workmanship and attention to detail from start to finish.


HOUSE EXTENSIONS IN ST ALBANS
Extend your home with a carefully planned, well-managed building project, delivered with quality workmanship and attention to detail from start to finish.


EXTENDING YOUR HOME WITH CARE AND EXPERTISE
EXTENDING YOUR HOME WITH CARE AND EXPERTISE
EXTENDING YOUR HOME WITH CARE AND EXPERTISE
A well-designed extension can give you the extra space you need while improving the way your home works for you. Herts Building Contractors delivers house extensions across Hertfordshire and North London, managing the building works from the initial stages through to completion.
Whether you are creating a larger kitchen and living space, adding an extra bedroom or extending your home to suit changing needs, we focus on quality workmanship, careful project management and clear communication throughout the build.
HOUSE EXTENSION PROJECTS






WHY CHOOSE HERTS BUILDING CONTRACTORS LTD?
Choosing the right building contractor is an important decision. We work closely with our clients to understand their requirements, coordinate each stage of the build and deliver a professional, well-managed service from start to finish.

ESTABLISHED SINCE 1988
Over 35 years of experience delivering quality building projects in St Albans and across Hertfordshire.

QUALITY CRAFTMANSHIP
High standards of workmanship and meticulous attention to detail throughout every project.

FREE ITEMISED QUOTATIONS
Receive a comprehensive, itemised quotation free of charge within five working days.

A PERSONAL, PROFESSIONAL SERVICE
We work closely with our clients throughout the build, adapting to their requirements as projects progress.
WHY CHOOSE HERTS BUILDING CONTRACTORS LTD?
Choosing the right building contractor is an important decision. We work closely with our clients to understand their requirements, coordinate each stage of the build and deliver a professional, well-managed service from start to finish.

ESTABLISHED SINCE 1988
Over 35 years of experience delivering quality building projects in St Albans and across Hertfordshire.

QUALITY CRAFTMANSHIP
High standards of workmanship and meticulous attention to detail throughout every project.

FREE ITEMISED QUOTATIONS
Receive a comprehensive, itemised quotation free of charge within five working days.

A PERSONAL, PROFESSIONAL SERVICE
We work closely with our clients throughout the build, adapting to their requirements as projects progress.
WHY CHOOSE HERTS BUILDING CONTRACTORS LTD?
Choosing the right building contractor is an important decision. We work closely with our clients to understand their requirements, coordinate each stage of the build and deliver a professional, well-managed service from start to finish.

ESTABLISHED SINCE 1988
Over 35 years of experience delivering quality building projects in St Albans and across Hertfordshire.

QUALITY CRAFTMANSHIP
High standards of workmanship and meticulous attention to detail throughout every project.

FREE ITEMISED QUOTATIONS
Receive a comprehensive, itemised quotation free of charge within five working days.

A PERSONAL, PROFESSIONAL SERVICE
We work closely with our clients throughout the build, adapting to their requirements as projects progress.
A STRAIGHTFORWARD APPROACH TO EVERY PROJECT
From detailed tenders and agreed payment stages to clearly managed variations and Building Control sign-off, we follow a structured approach designed to keep your project organised and costs clear from start to finish.

A STRAIGHTFORWARD APPROACH TO EVERY PROJECT
From detailed tenders and agreed payment stages to clearly managed variations and Building Control sign-off, we follow a structured approach designed to keep your project organised and costs clear from start to finish.

A STRAIGHTFORWARD APPROACH TO EVERY PROJECT
From detailed tenders and agreed payment stages to clearly managed variations and Building Control sign-off, we follow a structured approach designed to keep your project organised and costs clear from start to finish.

WHAT OUR CLIENTS SAY
Hear what our clients have to say about working with us…
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
WHAT OUR CLIENTS SAY
Hear what our clients have to say about working with us…
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
WHAT OUR CLIENTS SAY
Hear what our clients have to say about working with us…
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
"Very grateful to Tony and his team; they built our single-story rear extension last year and we are so delighted with the results.
They were respectful and easy to have around, cleared up around themselves (as much as you can) as we were living there at the same time. They took the time to answer all my questions and made sure I got my window seat!
Would absolutely recommend them."Pa Hammond
"First time having a building project done and we are delighted with the result.
Tony has made us feel comfortable from the start and I liked the fact that he took his time to answer all our questions. They accommodated us to be able to stay in the house and worked around us and our children.
Throughout the extension work there have been a few ups and downs that have been sorted quickly and fairly. The team is very efficient, professional with loads of experience, polite, worked really hard and made things even better than planned. They kept near to the timeline, a little over than originally estimated for but we also added extra work such as redoing our main roof, driveway…
Overall we are very pleased with the work done, massively enjoying the space gained. We will happily use them again and won’t hesitate to recommend them.
Finally a huge thank you to all of you at HBC."Ingrid Goddard
"I have used this company a couple of times over the years and have always found them to be polite and professional. Their work is excellent and very good value for money.
I would definitely recommend this company if you are thinking of extending your property or building a new one. They have many years of experience and are very knowledgeable."
Amanda Burgess
Common questions
FREQUENTLY ASKED QUESTIONS
WHAT TYPES OF HOUSE EXTENSIONS DO YOU BUILD?
HOW MUCH DOES A HOUSE EXTENSION COST?
DO I NEED PLANNING PERMISSION FOR A HOUSE EXTENSION?
HOW LONG DOES IT TAKE TO BUILD A HOUSE EXTENSION?
DO YOU MANAGE THE HOUSE EXTENSION PROJECT FROM START TO FINISH?
Common questions
FREQUENTLY ASKED QUESTIONS
WHAT TYPES OF HOUSE EXTENSIONS DO YOU BUILD?
HOW MUCH DOES A HOUSE EXTENSION COST?
DO I NEED PLANNING PERMISSION FOR A HOUSE EXTENSION?
HOW LONG DOES IT TAKE TO BUILD A HOUSE EXTENSION?
DO YOU MANAGE THE HOUSE EXTENSION PROJECT FROM START TO FINISH?
Common questions
FREQUENTLY ASKED QUESTIONS
WHAT TYPES OF HOUSE EXTENSIONS DO YOU BUILD?
HOW MUCH DOES A HOUSE EXTENSION COST?
DO I NEED PLANNING PERMISSION FOR A HOUSE EXTENSION?
HOW LONG DOES IT TAKE TO BUILD A HOUSE EXTENSION?
DO YOU MANAGE THE HOUSE EXTENSION PROJECT FROM START TO FINISH?