From £52,008
Over 35 years experience
We are Gas Safe registered
We are Verified
We pride ourselves on great custom...
From £52,312
Local Boiler Plumbing & Heating Services is an established and experienced local extension builder in SS11. Please contact us for a free, no obliga...
From £52,312
skilled worker who specializes in completing a wide range of building and renovation projects
From £52,240
M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...
From £51,968
B J CULLEN BUILDERS are here to help customers who need an Extension Builder in SS11. We offer a competitive rate to complete all your extension bu...
From £52,032
Relax... you have found a reliable extension builder in SS11. Major Building Contractors Ltd is a friendly and reliable company based in SS11 who c...
From £52,712
Experienced extension builder ready to quote for your work. Render is the best extension builder in SS11. No obligation free quotes and many happy ...
From £53,232
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
From £52,032
M & S Builders is a trusted extension builder serving customers in SS11 and the surrounding area. Contact us to today to get a competitive quote fo...
From £51,416
Welcome to RTC Plumbers! With over 15 years of experience, we offer a range of plumbing services from simple repairs to complex installations, each...

Mansard loft conversions range from the cheapest installation of £51,416 (RTC Plumbers based in RM6) to the dearest of around £53,232 (Optimus Build Solutions based in Rm1).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in SS11 by posting a job with HaMuch and we'll send it to extension builders in SS11.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Wickford | £39 | £255 |
| Build A Mansard Loft Conversion near Basildon | £39 | £251 |
| Build A Mansard Loft Conversion near Rayleigh | £39 | £252 |
| Build A Mansard Loft Conversion near Billericay | £38 | £248 |
| Build A Mansard Loft Conversion near Thundersley | £38 | £251 |
| Build A Mansard Loft Conversion near Canvey Island | £39 | £256 |
| Build A Mansard Loft Conversion near Stanford-le-Hope | £40 | £254 |
| Build A Mansard Loft Conversion near Brentwood | £39 | £255 |
| Build A Mansard Loft Conversion near Southend-on-Sea | £37 | £247 |
| Build A Mansard Loft Conversion near Chelmsford | £38 | £258 |
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 - £17,726

Two storey extension - £88,340

Build a timber frame extension - £26,226

Build a swimming pool - £81,226

Single storey extension - £59,528

Side return extension - £44,047

Install an RSJ - £2,426

Outbuilding - £10,226

Build a Mansard loft conversion - £52,226

Loft conversion - £35,873

Build a kitchen extension - £42,226

Hip to gable loft conversion - £42,226

Granny annexe - £87,226

Garden office - £10,226

Convert a Garage - £16,226

Garage - £18,726

Build a flat roof extension - £22,226

Build a dormer loft conversion - £42,226

Concrete foundations - £6,476

Convert a bungalow loft - £29,226

Convert a basement - £40,047