From £35,070
Relax... you have found a reliable extension builder in Washington. ORILLA CONSTRUCTION SOLUTIONS is a friendly and reliable company based in Washi...
From £47,400
Washington, NE37
Established 1983 . For more info visit web site please . Worked in industry for over 40 years.
From £40,650
HST ENG LTD is an established extension buildering business in Washington. We come highly recommended and provide competitive quotes for your work....
From £35,790
Skyline Loft Conversions (NE) Ltd is an established and experienced local extension builder in Washington. Please contact us for a free, no obligat...
From £36,510
Our building services company Home Grown NE has been providing professional, trustworthy building services to customers throughout the North-East f...
From £26,700
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 £71,160
Trusted and professional extension builder in Washington. Experienced in all extension buildering work and keeping within budget and on quote. Davi...
From £39,660
Dave Ogle is an established and experienced local extension builder in Washington. Please contact us for a free, no obligation quote and competitiv...
From £35,610
Experienced extension builder ready to quote for your work. L F BUILDING & JOINERY is the best extension builder in Washington. No obligation free ...
From £36,780
Building Craft Ltd is an established extension buildering business in Washington. We come highly recommended and provide competitive quotes for you...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in Washington by posting a job with HaMuch and we will send it to extension builders in Washington.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Washington | £33 | £251 |
| Convert A Basement near Sunderland | £33 | £251 |
| Convert A Basement near Chester-le-Street | £35 | £242 |
| Convert A Basement near Gateshead | £33 | £234 |
| Convert A Basement near Jarrow | £34 | £261 |
| Convert A Basement near Hebburn | £34 | £244 |
| Convert A Basement near South Tyneside | £34 | £261 |
| Convert A Basement near Newcastle Upon Tyne | £33 | £233 |
| Convert A Basement near Wallsend | £34 | £242 |
| Convert A Basement 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 - £17,770

Two storey extension - £88,404

Build a timber frame extension - £26,270

Build a swimming pool - £81,270

Single storey extension - £60,392

Side return extension - £44,533

Install an RSJ - £2,470

Outbuilding - £10,270

Build a Mansard loft conversion - £52,270

Loft conversion - £36,278

Build a kitchen extension - £42,270

Hip to gable loft conversion - £42,270

Granny annexe - £87,270

Garden office - £10,270

Convert a Garage - £16,270

Garage - £18,770

Build a flat roof extension - £22,270

Build a dormer loft conversion - £42,270

Concrete foundations - £6,520

Convert a bungalow loft - £29,270

Convert a basement - £40,533