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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 Regent Street and the surrounding area. Contact us to today ...
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in Regent Street. We offer a competitive rate to complete all your ext...
JK Doors
JK Doors is a trusted extension builder serving customers in Regent Street and the surrounding area. Contact us to today to get a competitive quote...
JM Building Services
JM Building Services is a trusted extension builder serving customers in Regent Street and the surrounding area. Contact us to today to get a compe...
ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD
Hussein Eljhani
We are highly professional Builders Company, hones pricing and reliable, we leave all areas clean and tidy.
Buildwiser
Buildwiser is a trusted extension builder serving customers in Regent Street and the surrounding area. Contact us to today to get a competitive quo...
F & F Building Services
F & F Building Services is an established extension buildering business in Regent Street. We come highly recommended and provide competitive quotes...
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
£49/hr
£304/day
Sehem Design
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£41/hr
£258/day
Cornerstone
Experienced extension builder ready to quote for your work. Cornerstone is the best extension builder in Regent Street. No obligation free quotes a...
£48/hr
£300/day
Starfish Properties
Starfish Properties is a trusted extension builder serving customers in Regent Street and the surrounding area. Contact us to today to get a compet...
£47/hr
£292/day
Big Mamma
Big Mamma is an established and experienced local extension builder in Regent Street. Please contact us for a free, no obligation quote and competi...
£42/hr
£261/day
Dominic Payte - Design & Build
Dominic Payte - Design & Build is an established extension buildering business in Regent Street. We come highly recommended and provide competitive...
£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...
£41/hr
£255/day
Guildon LTD
Independent construction company we have wide range of experience, including newconstruction, renovation, design build and retail stores. We provid...
£45/hr
£279/day
CORRECTBUILDIV.LTD
We are specialised in: demolition services, foundation services, property extension, general bricklaying, internal renovation and configuration, ca...
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- Post your job: Click "Get quotes" and briefly describe your job.
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- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local Regent Street 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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