From £38,250
On time/ professional/ time served/trustworthy
From £24,750
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 £31,725
Trusted and professional extension builder in Castletown. Experienced in all extension buildering work and keeping within budget and on quote. DGS ...
From £38,250
Arrowhead Construction is a trusted extension builder serving customers in Castletown and the surrounding area. Contact us to today to get a compet...
From £33,675
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £42,300
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
From £31,950
ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in Castletown. Please contact us for a free, no obligatio...
From £29,325
Experienced extension builder ready to quote for your work. KIETH GRAY ROOFING & BUILDING is the best extension builder in Castletown. No obligatio...
From £33,150
Building Craft Ltd is an established extension buildering business in Castletown. We come highly recommended and provide competitive quotes for you...
From £33,600
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Comparing extension builders estimates for Loft conversion 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 of a loft conversion in Castletown by posting your job to extension builders in Castletown.
"Loft conversion" - SR4, job posted 07/02/26
"Making my bungalow loft into 1,2,or 3 roomsLoft conversion" - SUNDERLAND, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near South Tyneside | £34 | £261 |
| Loft Conversion near Sunderland | £33 | £251 |
| Loft Conversion near Jarrow | £34 | £262 |
| Loft Conversion near Washington | £33 | £254 |
| Loft Conversion near South Shields | £36 | £257 |
| Loft Conversion near Hebburn | £34 | £246 |
| Loft Conversion near Wallsend | £34 | £245 |
| Loft Conversion near Tynemouth | £36 | £257 |
| Loft Conversion near Seaham | £35 | £235 |
| Loft Conversion near North Tyneside | £35 | £253 |
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 - £17,494

Two storey extension - £87,992

Build a timber frame extension - £25,994

Build a swimming pool - £80,994

Single storey extension - £54,888

Side return extension - £41,437

Install an RSJ - £2,194

Outbuilding - £9,994

Build a Mansard loft conversion - £51,994

Loft conversion - £33,698

Build a kitchen extension - £41,994

Hip to gable loft conversion - £41,994

Granny annexe - £86,994

Garden office - £9,994

Convert a Garage - £15,994

Garage - £18,494

Build a flat roof extension - £21,994

Build a dormer loft conversion - £41,994

Concrete foundations - £6,244

Convert a bungalow loft - £28,994

Convert a basement - £37,437