From £88,672
Ilford, IG3
Need an Extension Builder in IG3? Infinite Building Solutions Ltd has been helping local clients (10 mile radius) with their extension buildering j...
From £88,600
Decorating Building Service are here to help customers who need an Extension Builder in IG3. We offer a competitive rate to complete all your exten...
From £88,012
Seven Kings, IG3
Coman Construction Ltd is an established and experienced local extension builder in IG3. Please contact us for a free, no obligation quote and comp...
From £88,120
REMMY BUILDERS is an established extension buildering business in IG3. We come highly recommended and provide competitive quotes for your work.
...From £88,048
M & S Builders is a trusted extension builder serving customers in IG3 and the surrounding area. Contact us to today to get a competitive quote for...
From £88,456
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,588
Red Knight Design & Build is a trusted extension builder serving customers in IG3 and the surrounding area. Contact us to today to get a competitiv...
From £87,964
Relax... you have found a reliable extension builder in IG3. Jstar Construction + SH Architects is a friendly and reliable company based in IG3 who...
From £89,068
Experienced extension builder ready to quote for your work. Render is the best extension builder in IG3. No obligation free quotes and many happy c...
From £86,908
LOCAL COMPANY WITH A TAILORED SERVICE TO ALL BUILDING WORKSYour A2Z building needsLOFT SPACE from £12,000LOFT DORMER from &...

Costs range from £86,908 (RLUK & Co.Ltd based in IG3) to £89,068 (Render based in IG1), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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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 - £17,662

Two storey extension - £88,244

Build a timber frame extension - £26,162

Build a swimming pool - £81,162

Single storey extension - £58,248

Side return extension - £43,327

Install an RSJ - £2,362

Outbuilding - £10,162

Build a Mansard loft conversion - £52,162

Loft conversion - £35,273

Build a kitchen extension - £42,162

Hip to gable loft conversion - £42,162

Granny annexe - £87,162

Garden office - £10,162

Convert a Garage - £16,162

Garage - £18,662

Build a flat roof extension - £22,162

Build a dormer loft conversion - £42,162

Concrete foundations - £6,412

Convert a bungalow loft - £29,162

Convert a basement - £39,327