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Reid and Co Developments Ltd
Jay Reid
"Concrete foundation" - W1T, job posted 16/10/25
CK Constructions & Development Ltd
CK Constructions & Development Ltd is a trusted extension builder serving customers in Piccadilly and the surrounding area. Contact us to today to ...
"Basement conversion" - LAMBETH, job posted 02/05/25
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in Piccadilly. We offer a competitive rate to complete all your extens...
JK Doors
JK Doors is a trusted extension builder serving customers in Piccadilly and the surrounding area. Contact us to today to get a competitive quote fo...
JM Building Services
JM Building Services is a trusted extension builder serving customers in Piccadilly and the surrounding area. Contact us to today to get a competit...
Buildwiser
Buildwiser is a trusted extension builder serving customers in Piccadilly and the surrounding area. Contact us to today to get a competitive quote ...
F & F Building Services
F & F Building Services is an established extension buildering business in Piccadilly. We come highly recommended and provide competitive quotes fo...
Q Lofts and Extensions
Anthony Sullivan
We build Lofts. We build Extensions. We undertake conversions. Our Terms and conditions apply as shown in our starter packs.
£42/hr
£269/day
plansing
Plansing Ltd
Experience the best architectural design services with PLANSING, where we flawlessly integrate innovative architectural designer products to bring ...
£26/hr
£26/day
London Design And Build
London Design And Build
Here at London Design and Build, our team of architects, interior designers, structural engineers and contractors, offer a bespoke, turn-key servic...
£48/hr
£303/day
Masters Construction UK
Joel Cayless white
20 years experience in high end carpentry, joinery and furniture making
£47/hr
£294/day
Mayfair Design
Experienced extension builder ready to quote for your work. Mayfair Design is the best extension builder in Piccadilly. No obligation free quotes a...
£41/hr
£253/day
Luxe Refurbs
Luxe Refurbs is an established extension buildering business in Piccadilly. We come highly recommended and provide competitive quotes for your work...
£41/hr
£255/day
We Love Build - Three Arches
We Love Build - Three Arches is an established extension buildering business in Piccadilly. We come highly recommended and provide competitive quot...
£50/hr
£309/day
We Love Build
We are a Design and Build Company, based in London.We focus on super prime and luxury residential renovations in and around London and internationa...
£42/hr
£263/day
The Maybria Group
Trusted and professional extension builder in Piccadilly. Experienced in all extension buildering work and keeping within budget and on quote. The ...
£48/hr
£298/day
Future Homes Design and Build
Experienced extension builder ready to quote for your work. Future Homes Design and Build is the best extension builder in Piccadilly. No obligatio...
£45/hr
£282/day
Elv8 Interiors
Originally established in 1996 ELV8 has set the highest standards within the building industry, achieving success by winning numerous gold awards f...
£42/hr
£262/day
Pillar Contractors Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Pillar Contractors Ltd provides a local, trusted extensi...
£48/hr
£300/day
Starfish Properties
Starfish Properties is a trusted extension builder serving customers in Piccadilly and the surrounding area. Contact us to today to get a competiti...
Quickly find an Extension Builder in Piccadilly
Use these steps to find Extension Builders in Piccadilly for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in Piccadilly. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local Piccadilly Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
Job estimates from extension builders near you
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Build a timber frame extension - £26,248

Garden office - £10,248

Granny annexe - £87,248

Build a flat roof extension - £22,248

Convert a Garage - £16,248

Hip to gable loft conversion - £42,248

Convert a bungalow loft - £29,248

Build a dormer loft conversion - £42,248

Build a swimming pool - £81,248

Build a Mansard loft conversion - £52,248

Concrete foundations - £6,498

Underpin a building - £17,748

Two storey extension - £88,372

Convert a basement - £40,290

Side return extension - £44,290

Loft conversion - £36,075

Garage - £18,748

Single storey extension - £59,960

Outbuilding - £10,248

Install an RSJ - £2,448

Build a kitchen extension - £42,248
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