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Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...
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 Abbots Langley. Please contact us for a free, no obligation quote a...
Chrysalis are here to help customers who need an Extension Builder in Abbots Langley. We offer a competitive rate to complete all your extension bu...
Relax... you have found a reliable extension builder in Abbots Langley. PERFORMA CONSTRUCTION LIMITED is a friendly and reliable company based in A...
Peter Rourke
Trusted and professional extension builder in Abbots Langley. Experienced in all extension buildering work and keeping within budget and on quote. ...
Buyerz Trading is an established and experienced local extension builder in Abbots Langley. Please contact us for a free, no obligation quote and c...
Are you looking for resin driveways in North London? We are a leading builder of driveways and patios in North London. We have expertise in various...
IC Builders have been helping customers in St Albans and the surrounding area by providing professional, trustworthy building services.We k...
Need to find an Extension Builder near you for all your extension buildering work?
ARI Studio LTD provides a local, trusted extension build...

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 Abbots Langley by posting your job to extension builders in Abbots Langley.
"Loft conversion" - WD24, job posted 12/07/25
"Loft conversion Loft conversion" - DACORUM, job posted 06/03/24
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Watford | £43 | £280 |
| Loft Conversion near Dacorum | £42 | £275 |
| Loft Conversion near Hemel Hempstead | £43 | £276 |
| Loft Conversion near Bushey | £43 | £278 |
| Loft Conversion near St Albans | £43 | £272 |
| Loft Conversion near Rickmansworth | £43 | £282 |
| Loft Conversion near Borehamwood | £42 | £271 |
| Loft Conversion near Berkhamsted | £41 | £273 |
| Loft Conversion near Chesham | £42 | £277 |
| Loft Conversion near Harpenden | £45 | £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 - £17,822

Two storey extension - £88,484

Build a timber frame extension - £26,322

Build a swimming pool - £81,322

Single storey extension - £61,448

Side return extension - £45,127

Install an RSJ - £2,522

Outbuilding - £10,322

Build a Mansard loft conversion - £52,322

Loft conversion - £36,773

Build a kitchen extension - £42,322

Hip to gable loft conversion - £42,322

Granny annexe - £87,322

Garden office - £10,322

Convert a Garage - £16,322

Garage - £18,822

Build a flat roof extension - £22,322

Build a dormer loft conversion - £42,322

Concrete foundations - £6,572

Convert a bungalow loft - £29,322

Convert a basement - £41,127