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D & G Building & Decorating
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Buckingham Gate. No obliga...
"Concrete foundation" - W1T, job posted 16/10/25
CK Constructions & Development Ltd
CK Constructions & Development Ltd is a trusted extension builder serving customers in Buckingham Gate and the surrounding area. Contact us to toda...
"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 Buckingham Gate. We offer a competitive rate to complete all your e...
"Extension to lower ground area." - SW9, job posted 28/03/25
Cornerstones Construction
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Buckingham Gate. No obligati...
JK Doors
JK Doors is a trusted extension builder serving customers in Buckingham Gate and the surrounding area. Contact us to today to get a competitive quo...
JM Building Services
JM Building Services is a trusted extension builder serving customers in Buckingham Gate and the surrounding area. Contact us to today to get a com...
F & F Building Services
F & F Building Services is an established extension buildering business in Buckingham Gate. We come highly recommended and provide competitive quot...
AAA Design Decorators
AAA Design Decorators are here to help customers who need an Extension Builder in Buckingham Gate. We offer a competitive rate to complete all your...
£40/hr
£247/day
KÖK London ltd.
Need an Extension Builder in Buckingham Gate? KÖK London ltd. has been helping local clients (5 mile radius) with their extension buildering jobs ...
£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...
£40/hr
£249/day
London Projects Ltd
Relax... you have found a reliable extension builder in Buckingham Gate. London Projects Ltd is a friendly and reliable company based in Buckingham...
£50/hr
£313/day
Adamko Dry Lining London
Welcome to Adamko Interiors Ltd. We specialize in customized interior design solutions, prioritizing customer satisfaction and creating safe, comfo...
£47/hr
£294/day
Mayfair Design
Experienced extension builder ready to quote for your work. Mayfair Design is the best extension builder in Buckingham Gate. No obligation free quo...
£47/hr
£290/day
Cliden Construction (London)
Cliden Construction (London) is a trusted extension builder serving customers in Buckingham Gate and the surrounding area. Contact us to today to g...
£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 Buckingham Gate. No obli...
£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
£263/day
The Maybria Group
Trusted and professional extension builder in Buckingham Gate. Experienced in all extension buildering work and keeping within budget and on quote....
£41/hr
£253/day
Luxe Refurbs
Luxe Refurbs is an established extension buildering business in Buckingham Gate. We come highly recommended and provide competitive quotes for your...
£47/hr
£292/day
Luxury Movement
Luxury Movement is an established extension buildering business in Buckingham Gate. We come highly recommended and provide competitive quotes for y...
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- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in Buckingham Gate. 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 Buckingham Gate 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 - £26,200

Garden office - £10,200

Granny annexe - £87,200

Build a flat roof extension - £22,200

Convert a Garage - £16,200

Hip to gable loft conversion - £42,200

Convert a bungalow loft - £29,200

Build a dormer loft conversion - £42,200

Build a swimming pool - £81,200

Build a Mansard loft conversion - £52,200

Concrete foundations - £6,450

Underpin a building - £17,700

Two storey extension - £88,300

Convert a basement - £39,750

Side return extension - £43,750

Loft conversion - £35,625

Garage - £18,700

Single storey extension - £59,000

Outbuilding - £10,200

Install an RSJ - £2,400

Build a kitchen extension - £42,200
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