Extension Specialists in London

Browse trusted local Extension Specialists in London on TrustATrader, all vetted, with photos of completed work, and reviews from previous customers.

Local Extension Specialists

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Powerpillar Ltd

Extension Specialists in London. Covering the whole of London and the surrounding areas

Powerpillar Ltd is based in London and we have been providing high standard house and bungalow extensions for customers in London and the...

90 reviews / 4.88 out of 5
Powerpillar Ltd did an excellent job repairing our external wall. The team was professional, efficient, and the finish is top quality. Everything...

London
E10 7QP
- 07360 276846
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Chelebi Builders

Extension Specialists in London. Covering North London, North West London and all surrounding areas.

Chelebi Builders is a Build & Design construction company based in North London. Our expertise range from Loft Conversions, Extensions, House...

31 reviews / 4.96 out of 5
Chelebi carried out a side and rear extension on our Victorian semi detached. Cafer and his team pulled out all stops to ensure works were...

London
Greater London
N12 0DR
- 07307 217597
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Bright Builders Ltd

Extension Specialists in London. Covering North London, North West London, Central London and all surrounding areas.

In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the...

60 reviews / 4.94 out of 5
Bright Builders are an amazing team of friendly, responsible and professional builders. Ervin is a great person to work with; understanding,...

London
N20 0HD
- 07307 244094
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Nova Design & Build London Ltd

Extension Specialists in London. Covering Greater London

In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the...

67 reviews / 4.99 out of 5
Adam and his team did an excellent job refurbishinb the floors of a bathroom and kitchen that had ceramic tiles fitted on the wrong subfloor...

London
EC2A 4NJ
- 07360 275460
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21st Century Design & Build Ltd

Extension Specialists in London. Covering Throughout London

About Us21st Century Design & Build Ltd is a London-based design and build specialist offering high-quality house and bungalow extensions across...

24 reviews / 4.96 out of 5
This is the second time using the 21st century and design and build team and couldn’t be happier! This project was twice the size of the last one...

London
SE4 1JD
- 07360 268287
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Pure Contractors Ltd

Extension Specialists in London. Covering all surrounding areas

In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the...

14 reviews / 4.96 out of 5
Pure Contractors exceeded all our expectations on every level. From the initial consultation right through to the end result. Everyone we dealt...

London
SW11 1AA
- 07307 222681
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Kaca Construction Ltd

Extension Specialists in London. Covering West London

Kaca construction Ltd is a prospective, family run building company based in West London. We provide high quality services in residential...

11 reviews / 4.98 out of 5
We recently had our back building converted into a gym by KACA Construction Ltd, and we couldn’t be happier with the results. From the very...

London
W5 5QX
- 07307 213352
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Den Builders Ltd

Extension Specialists in London. Covering Greater London

Den Builders LtdInnovative. Reliable. Family-Run Construction Experts.Based in Greater London, Den Builders Ltd is a trusted, family-run...

9 reviews / 5.0 out of 5
We had a great experience with Denbuilders! Den built our home extension and managed the entire project from start to finish. He was professional,...

London
SE9 1PF
- 07426 981187
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AL-KO Construction Ltd

Extension Specialists in London. Covering SW1, SW6, SE13, SW19, KT1, TW1 and all surrounding areas

AL-KO Construction Ltd is a London-based home extension specialist with more than 12 years' experience delivering high-quality house and bungalow...

34 reviews / 4.98 out of 5
Altin's plastering work is second to none! The walls are smooth and flawless, making the room look brand new. Their attention to detail and...

London
SE11 4AE
- 07307 209016
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Bathkitchen Renovation Ltd

Extension Specialists in London. Covering Finchley and all surrounding areas

In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the...

17 reviews / 4.99 out of 5
Sebastian and the team promised on the first day to give me a beautiful bathroom. They kept that promise! We are delighted with the work. Would...

London
N3 1JG
- 07307 279002
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Other services relating to Extension Specialists in London

Our average rating for Extension Specialists

5.0 - 5.0 out of 5 from 2453 reviews

UCS Damp Proofing, Highgate

5 out of 5.0

"Richard came to view the proposed work, provided really useful advice that helped with my decision-making and made me..."

Sarah C on 1st May 2026
21st Century Design & Build Ltd, London

5 out of 5.0

"We have had a great experience with Thomas and his team. Thomas really helped us with a complete kitchen renovation. He..."

Clody Wright on 30th April 2026
LINX Design And Build, London

5 out of 5.0

"Linx team did a fantastic job with our plumbing and heating. Professional, efficient, and easy to deal with from start to..."

David O'Doherty on 30th April 2026
LD&C, Sidcup

5 out of 5.0

"LD&C delivered a professional and reliable service. Communication was clear, timelines were met, and the quality of work..."

John Arnold on 28th April 2026
LINX Design And Build, London

5 out of 5.0

"The proprietor and his staff communicated and provided detailed explanations. Excellent work in the bathroom and kitchen...."

Alex Walsh on 28th April 2026

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