From £88,720
Premium Design Construction Ltd. specialise in home remodelling and refurbishments from start to finish. Extensions, Loft conversion, bespoke carp...
From £87,796
Trusted and professional extension builder in Potters Bar. Experienced in all extension buildering work and keeping within budget and on quote. Adv...
From £88,384
Need to find an Extension Builder near you for all your extension buildering work?
JMB Design & Build provides a local, trusted extension b...
From £88,120
JMB Design & Build is a full service building construction company dedicated to building and improving residential and commercial structures accord...
From £87,844
Need to find an Extension Builder near you for all your extension buildering work?
TMP build solutions ltd provides a local, trusted extens...
From £88,000
TMP Build Solutions is a reputable building company that specialises in loft conversions and extensions. The team has a diverse range of trade skil...
From £87,856
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,168
Trusted and professional extension builder in Potters Bar. Experienced in all extension buildering work and keeping within budget and on quote. SWB...
From £88,492
BSL are here to help customers who need an Extension Builder in Potters Bar. We offer a competitive rate to complete all your extension buildering ...
From £88,396
London Elite Construction is an established extension buildering business in Potters Bar. We come highly recommended and provide competitive quotes...

Costs range from £87,796 (Advance Construction Solutions based in EN6) to £88,720 (Premium Design Construction LTD based in EN6), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to Potters Bar.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Potters Bar | £43 | £273 |
| Two Storey Extension near High Barnet | £43 | £272 |
| Two Storey Extension near Hatfield | £64 | £283 |
| Two Storey Extension near Cheshunt | £48 | £286 |
| Two Storey Extension near Borehamwood | £42 | £270 |
| Two Storey Extension near Welwyn Garden City | £42 | £268 |
| Two Storey Extension near Muswell Hill | £44 | £273 |
| Two Storey Extension near St Albans | £63 | £288 |
| Two Storey Extension near Brent Cross | £43 | £271 |
| Two Storey Extension near Hertford | £46 | £289 |
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 - £17,618

Two storey extension - £88,178

Build a timber frame extension - £26,118

Build a swimming pool - £81,118

Single storey extension - £57,368

Side return extension - £42,832

Install an RSJ - £2,318

Outbuilding - £10,118

Build a Mansard loft conversion - £52,118

Loft conversion - £34,860

Build a kitchen extension - £42,118

Hip to gable loft conversion - £42,118

Granny annexe - £87,118

Garden office - £10,118

Convert a Garage - £16,118

Garage - £18,618

Build a flat roof extension - £22,118

Build a dormer loft conversion - £42,118

Concrete foundations - £6,368

Convert a bungalow loft - £29,118

Convert a basement - £38,832