From £29,048
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in HA2. No obligation free quotes ...
From £29,504
At Ferdas Design & Build Ltd we have been fitting bespoke bathrooms since 2013. We pride ourselves on being the go-to bathroom fitters for discerni...
1 review
From £29,192
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
From £29,024
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
From £29,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £29,392
Need an Extension Builder in HA2? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...
From £29,280
Member since August 2026
Relax... you have found a reliable extension builder in HA2. ABC Associates STRUCTURES 4 U is a friendly and reliable company based in HA2 who cons...
From £29,192
Need an Extension Builder in HA2? VA Structures has been helping local clients (10 mile radius) with their extension buildering jobs for many years...
From £29,280
Trusted and professional extension builder in HA2. Experienced in all extension buildering work and keeping within budget and on quote. DC Build & ...
From £29,152
I am a qualified, builder, electrician and plumber. I have been working in the construction industry for over 23 years and have built everything fr...

In HA2, bungalow loft conversions range from the cheapest of £29,024 (SH Enterprise based in EC1V) to the dearest of £29,504 (Ferdas Design & Build Ltd based in W3), but the best way to get accurate prices is to get quotes.
Post your job on HaMuch now to get extension builders quotes to convert your bungalow's loft in HA2.
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 - £17,738

Two storey extension - £88,356

Build a timber frame extension - £26,238

Build a swimming pool - £81,238

Single storey extension - £59,752

Side return extension - £44,173

Install an RSJ - £2,438

Outbuilding - £10,238

Build a Mansard loft conversion - £52,238

Loft conversion - £35,978

Build a kitchen extension - £42,238

Hip to gable loft conversion - £42,238

Granny annexe - £87,238

Garden office - £10,238

Convert a Garage - £16,238

Garage - £18,738

Build a flat roof extension - £22,238

Build a dormer loft conversion - £42,238

Concrete foundations - £6,488

Convert a bungalow loft - £29,238

Convert a basement - £40,173