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Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...
J Wijayamohan
JJSR Construction Ltd is an established and experienced local extension builder in Radlett. Please contact us for a free, no obligation quote and c...
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...
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
Sharp Building Ltd is an established and experienced local extension builder in Radlett. Please contact us for a free, no obligation quote and comp...
RLC Construction are here to help customers who need an Extension Builder in Radlett. We offer a competitive rate to complete all your extension bu...
Relax... you have found a reliable extension builder in Radlett. Building Service and Support Ltd is a friendly and reliable company based in Radle...
Ciaran Feeney
Need to find an Extension Builder near you for all your extension buildering work?
COMPLETE CIVIL ENGINEERING provides a local, trusted ext...
Chrysalis are here to help customers who need an Extension Builder in Radlett. We offer a competitive rate to complete all your extension builderin...
Relax... you have found a reliable extension builder in Radlett. PERFORMA CONSTRUCTION LIMITED is a friendly and reliable company based in Radlett ...

Mansard loft conversions range from the cheapest installation of £52,072 (Chrysalis based in HA3) to the dearest of around £52,560 (Rafix Building based in EN4).
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 Radlett by posting a job with HaMuch and we'll send it to extension builders in Radlett.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Borehamwood | £42 | £271 |
| Build A Mansard Loft Conversion near Bushey | £43 | £278 |
| Build A Mansard Loft Conversion near Watford | £43 | £280 |
| Build A Mansard Loft Conversion near St Albans | £43 | £272 |
| Build A Mansard Loft Conversion near High Barnet | £43 | £272 |
| Build A Mansard Loft Conversion near Potters Bar | £43 | £273 |
| Build A Mansard Loft Conversion near Hatfield | £42 | £266 |
| Build A Mansard Loft Conversion near Harrow | £43 | £270 |
| Build A Mansard Loft Conversion near Brent Cross | £43 | £273 |
| Build A Mansard Loft Conversion near Rickmansworth | £43 | £282 |
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 - £17,821

Two storey extension - £88,481

Build a timber frame extension - £26,321

Build a swimming pool - £81,321

Single storey extension - £61,416

Side return extension - £45,109

Install an RSJ - £2,521

Outbuilding - £10,321

Build a Mansard loft conversion - £52,321

Loft conversion - £36,758

Build a kitchen extension - £42,321

Hip to gable loft conversion - £42,321

Granny annexe - £87,321

Garden office - £10,321

Convert a Garage - £16,321

Garage - £18,821

Build a flat roof extension - £22,321

Build a dormer loft conversion - £42,321

Concrete foundations - £6,571

Convert a bungalow loft - £29,321

Convert a basement - £41,109