From £51,784
Relax... you have found a reliable extension builder in Washington. ORILLA CONSTRUCTION SOLUTIONS is a friendly and reliable company based in Washi...
From £52,880
Washington, NE37
Established 1983 . For more info visit web site please . Worked in industry for over 40 years.
From £52,280
HST ENG LTD is an established extension buildering business in Washington. We come highly recommended and provide competitive quotes for your work....
From £51,848
Skyline Loft Conversions (NE) Ltd is an established and experienced local extension builder in Washington. Please contact us for a free, no obligat...
From £51,912
Our building services company Home Grown NE has been providing professional, trustworthy building services to customers throughout the North-East f...
From £51,040
Member since July 2020
I have over 40 years experience in the field of construction. Thank you and I hope I will be of service to you.
From £54,992
Trusted and professional extension builder in Washington. Experienced in all extension buildering work and keeping within budget and on quote. Davi...
From £52,192
Dave Ogle is an established and experienced local extension builder in Washington. Please contact us for a free, no obligation quote and competitiv...
From £51,832
Experienced extension builder ready to quote for your work. L F BUILDING & JOINERY is the best extension builder in Washington. No obligation free ...

Mansard loft conversions range from the cheapest installation of £51,040 (OCC Construction based in NE10) to the dearest of around £54,992 (David Robertson builders based in Sr4).
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 Washington by posting a job with HaMuch and we'll send it to extension builders in Washington.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Washington | £33 | £254 |
| Build A Mansard Loft Conversion near Sunderland | £33 | £251 |
| Build A Mansard Loft Conversion near Chester-le-Street | £35 | £242 |
| Build A Mansard Loft Conversion near Gateshead | £33 | £236 |
| Build A Mansard Loft Conversion near Jarrow | £34 | £262 |
| Build A Mansard Loft Conversion near Hebburn | £34 | £246 |
| Build A Mansard Loft Conversion near South Tyneside | £34 | £261 |
| Build A Mansard Loft Conversion near Newcastle Upon Tyne | £33 | £235 |
| Build A Mansard Loft Conversion near Wallsend | £34 | £245 |
| Build A Mansard Loft Conversion near Stanley | £34 | £242 |
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 - £17,824

Two storey extension - £88,486

Build a timber frame extension - £26,324

Build a swimming pool - £81,324

Single storey extension - £61,480

Side return extension - £45,145

Install an RSJ - £2,524

Outbuilding - £10,324

Build a Mansard loft conversion - £52,324

Loft conversion - £36,788

Build a kitchen extension - £42,324

Hip to gable loft conversion - £42,324

Granny annexe - £87,324

Garden office - £10,324

Convert a Garage - £16,324

Garage - £18,824

Build a flat roof extension - £22,324

Build a dormer loft conversion - £42,324

Concrete foundations - £6,574

Convert a bungalow loft - £29,324

Convert a basement - £41,145