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Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...
ANGLE BUILDERS is an established and experienced local extension builder in Potters Bar. Please contact us for a free, no obligation quote and comp...
SJ Expert Building Services are here to help customers who need an Extension Builder in Potters Bar. We offer a competitive rate to complete all yo...
Rafal Szczepanski
Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...
Roberts & Co is a family run business est.2009. We specialize in Kitchen extensions and Loft conversions, and cover Hertfordshire, Essex and Greate...
Ciaran Feeney
Need to find an Extension Builder near you for all your extension buildering work?
COMPLETE CIVIL ENGINEERING provides a local, trusted ext...
Dimitar Vakavliev
We are reliable tradesmen delivering quality works with attention to detail
Need the extension buildering job done quickly without breaking the bank? WT Construction Service Ltd offer fast, reliable, and affordable extensio...
New Finishes is a trusted extension builder serving customers in Potters Bar and the surrounding area. Contact us to today to get a competitive quo...
Relax... you have found a reliable extension builder in Potters Bar. Pavillion Building Services is a friendly and reliable company based in Potter...

In Potters Bar, prices for dormer loft conversions range from £41,528 (Bellator Construction Ltd based in N11) to £42,560 (Rafix Building based in EN4), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Potters Bar. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Potters Bar | £43 | £273 |
| Build A Dormer Loft Conversion near High Barnet | £43 | £272 |
| Build A Dormer Loft Conversion near Hatfield | £42 | £266 |
| Build A Dormer Loft Conversion near Cheshunt | £48 | £285 |
| Build A Dormer Loft Conversion near Borehamwood | £42 | £271 |
| Build A Dormer Loft Conversion near Welwyn Garden City | £42 | £269 |
| Build A Dormer Loft Conversion near Muswell Hill | £44 | £273 |
| Build A Dormer Loft Conversion near St Albans | £43 | £272 |
| Build A Dormer Loft Conversion near Brent Cross | £43 | £273 |
| Build A Dormer Loft Conversion near Hertford | £46 | £290 |
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 - £17,735

Two storey extension - £88,353

Build a timber frame extension - £26,235

Build a swimming pool - £81,235

Single storey extension - £59,704

Side return extension - £44,146

Install an RSJ - £2,435

Outbuilding - £10,235

Build a Mansard loft conversion - £52,235

Loft conversion - £35,955

Build a kitchen extension - £42,235

Hip to gable loft conversion - £42,235

Granny annexe - £87,235

Garden office - £10,235

Convert a Garage - £16,235

Garage - £18,735

Build a flat roof extension - £22,235

Build a dormer loft conversion - £42,235

Concrete foundations - £6,485

Convert a bungalow loft - £29,235

Convert a basement - £40,146