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JK Doors is a trusted extension builder serving customers in Tower Hill and the surrounding area. Contact us to today to get a competitive quote fo...
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
Need an Extension Builder in Tower Hill? Exquisite Design & Build Ltd has been helping local clients (5 mile radius) with their extension builderin...
Relax... you have found a reliable extension builder in Tower Hill. London Trowel Co. is a friendly and reliable company based in Tower Hill who co...
Trusted and professional extension builder in Tower Hill. Experienced in all extension buildering work and keeping within budget and on quote. Ther...
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Tower Hill. No obligation free q...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Tower Hill and the surrounding area. Contact us to today to ...
A to Z Builders Ltd are here to help customers who need an Extension Builder in Tower Hill. We offer a competitive rate to complete all your extens...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Tower Hill. No obligation fr...
GS Fabric Ltd is an established and experienced local extension builder in Tower Hill. Please contact us for a free, no obligation quote and compet...

In Tower Hill, prices for dormer loft conversions range from £41,928 (GS Fabric Ltd based in E2) to £42,376 (Exquisite Design & Build Ltd based in SE16), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Tower Hill. Post your job on HaMuch now and we'll put you in touch with available extension builders.
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.

Underpin a building - £17,655

Two storey extension - £88,233

Build a timber frame extension - £26,155

Build a swimming pool - £81,155

Single storey extension - £58,104

Side return extension - £43,246

Install an RSJ - £2,355

Outbuilding - £10,155

Build a Mansard loft conversion - £52,155

Loft conversion - £35,205

Build a kitchen extension - £42,155

Hip to gable loft conversion - £42,155

Granny annexe - £87,155

Garden office - £10,155

Convert a Garage - £16,155

Garage - £18,655

Build a flat roof extension - £22,155

Build a dormer loft conversion - £42,155

Concrete foundations - £6,405

Convert a bungalow loft - £29,155

Convert a basement - £39,246