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SH Enterprise
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
"Underpin a building" - N7, job posted 23/08/26
Torrington
Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
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 Bloomsbury and the surrounding area. Contact us to today to ...
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in Bloomsbury. We offer a competitive rate to complete all your extens...
JK Doors
JK Doors is a trusted extension builder serving customers in Bloomsbury 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 Bloomsbury and the surrounding area. Contact us to today to get a competit...
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 Bloomsbury and the surrounding area. Contact us to today to get a competitive quote ...
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 ...
£41/hr
£255/day
TOP CONSTRUCTION
TOP CONSTRUCTION is an established extension buildering business in Bloomsbury. We come highly recommended and provide competitive quotes for your ...
£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
£50/hr
£309/day
Longland Construction
Longland Construction LTD is a high end refurbishment contractor and sub contractor company in London and surrounding areas. Woodwork, painting and...
£48/hr
£300/day
FLAVIA CONDE
FLAVIA CONDE is an established and experienced local extension builder in Bloomsbury. Please contact us for a free, no obligation quote and competi...
£44/hr
£273/day
Pacho Build Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Pacho Build Ltd provides a local, trusted extension buil...
£39/hr
£243/day
Otto & Mensah Build
Relax... you have found a reliable extension builder in Bloomsbury. Otto & Mensah Build is a friendly and reliable company based in Bloomsbury who ...
£40/hr
£252/day
TipTop Joinery & Build
TipTop Joinery & Build is a trusted extension builder serving customers in Bloomsbury and the surrounding area. Contact us to today to get a compet...
£50/hr
£313/day
Citygate
CityGate Homes specialises in full refurbishment projects and interior design services. We offer fully integrated services spanning the entire scop...
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Use these steps to find Extension Builders in Bloomsbury for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in Bloomsbury. 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 Bloomsbury 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 - £26,232
Garden office - £10,232
Granny annexe - £87,232
Build a flat roof extension - £22,232
Convert a Garage - £16,232
Hip to gable loft conversion - £42,232
Convert a bungalow loft - £29,232
Build a dormer loft conversion - £42,232
Build a swimming pool - £81,232
Build a Mansard loft conversion - £52,232
Concrete foundations - £6,482
Underpin a building - £17,732
Two storey extension - £88,348
Convert a basement - £40,110
Side return extension - £44,110
Loft conversion - £35,925
Garage - £18,732
Single storey extension - £59,640
Outbuilding - £10,232
Install an RSJ - £2,432
Build a kitchen extension - £42,232
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