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Trusted and professional extension builder in Horwich. Experienced in all extension buildering work and keeping within budget and on quote. JCR Con...
Stephen Lowe
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Horwich. Jc Properties is a friendly and reliable company based in Horwich who consider no ...
Relax... you have found a reliable extension builder in Horwich. David Anderson Builders is a friendly and reliable company based in Horwich who co...
Wallplas is an established extension buildering business in Horwich. We come highly recommended and provide competitive quotes for your work.
WWS Garage Doors & Shutters is a trusted extension builder serving customers in Horwich and the surrounding area. Contact us to today to get a comp...
Fishers Building & Paving Ltd is an established extension buildering business in Horwich. We come highly recommended and provide competitive quotes...
EBI BUILDING RENOVATIONS is a trusted extension builder serving customers in Horwich and the surrounding area. Contact us to today to get a competi...
Experienced extension builder ready to quote for your work. BURGHWOOD CONSTRUCTION LTD is the best extension builder in Horwich. No obligation free...
QUAYSTONE BUILDING LTD are here to help customers who need an Extension Builder in Horwich. We offer a competitive rate to complete all your extens...

In Horwich, prices for dormer loft conversions range from £41,600 (SPL Building Services based in WN3) to £41,984 (JCR Construction based in WN6), 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 Horwich. Post your job on HaMuch now and we'll put you in touch with available extension builders.
"Dormer loft conversion" - BL3, job posted 07/05/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Horwich | £30 | £219 |
| Build A Dormer Loft Conversion near Westhoughton | £31 | £222 |
| Build A Dormer Loft Conversion near Hindley | £30 | £219 |
| Build A Dormer Loft Conversion near Bolton | £31 | £219 |
| Build A Dormer Loft Conversion near Atherton | £31 | £223 |
| Build A Dormer Loft Conversion near Wigan | £30 | £220 |
| Build A Dormer Loft Conversion near Chorley | £30 | £221 |
| Build A Dormer Loft Conversion near Little Hulton | £31 | £220 |
| Build A Dormer Loft Conversion near Farnworth | £30 | £219 |
| Build A Dormer Loft Conversion near Leigh | £31 | £224 |
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 - £17,237

Two storey extension - £87,605

Build a timber frame extension - £25,737

Build a swimming pool - £80,737

Single storey extension - £49,736

Side return extension - £38,539

Install an RSJ - £1,937

Outbuilding - £9,737

Build a Mansard loft conversion - £51,737

Loft conversion - £31,283

Build a kitchen extension - £41,737

Hip to gable loft conversion - £41,737

Granny annexe - £86,737

Garden office - £9,737

Convert a Garage - £15,737

Garage - £18,237

Build a flat roof extension - £21,737

Build a dormer loft conversion - £41,737

Concrete foundations - £5,987

Convert a bungalow loft - £28,737

Convert a basement - £34,539