From £29,040
RAS Construction & Design Ltd is a well established company specialising in all aspects of extensions, loft conversions, general building, renovati...
From £28,848
Ask Windows Limited is an established and experienced local extension builder in Mill Hill. Please contact us for a free, no obligation quote and c...
From £29,152
Trusted and professional extension builder in Mill Hill. Experienced in all extension buildering work and keeping within budget and on quote. MH Co...
From £29,000
TSCR Construction are here to help customers who need an Extension Builder in Mill Hill. We offer a competitive rate to complete all your extension...
From £28,408
DBR Construction Ltd are here to help customers who need an Extension Builder in Mill Hill. We offer a competitive rate to complete all your extens...
From £29,368
NW London Contracts Ltd are here to help customers who need an Extension Builder in Mill Hill. We offer a competitive rate to complete all your ext...
From £28,760
Hi everyone!
i have good experience over 25 years working in construction and I have my on Business and my company
From £28,664
With over 24 years of hands-on experience, FC Builders London Ltd specialises in home extensions, loft conversions, full renovations, kitchen and b...
From £29,392
Coldshield ltd are here to help customers who need an Extension Builder in Mill Hill. We offer a competitive rate to complete all your extension bu...
From £28,920
NISUP BUILDING SERVICES Company specializes in the domestic and commercial building industry :1. Refurbishm...

In Mill Hill, bungalow loft conversions range from the cheapest of £28,408 (DBR Construction Ltd based in NW7) to the dearest of £29,392 (Coldshield ltd based in NW7), 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 Mill Hill.
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 - £17,455

Two storey extension - £87,933

Build a timber frame extension - £25,955

Build a swimming pool - £80,955

Single storey extension - £54,104

Side return extension - £40,996

Install an RSJ - £2,155

Outbuilding - £9,955

Build a Mansard loft conversion - £51,955

Loft conversion - £33,330

Build a kitchen extension - £41,955

Hip to gable loft conversion - £41,955

Granny annexe - £86,955

Garden office - £9,955

Convert a Garage - £15,955

Garage - £18,455

Build a flat roof extension - £21,955

Build a dormer loft conversion - £41,955

Concrete foundations - £6,205

Convert a bungalow loft - £28,955

Convert a basement - £36,996