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Jon Howard Construction Ltd is a trusted extension builder serving customers in Ware and the surrounding area. Contact us to today to get a competi...
Colin
We are small building company working for the residential and domestic properties? We work on all types of buildings creating Loft conversion and H...
Ware, SG12
Relax... you have found a reliable extension builder in Ware. Up and Out Builds Ltd is a friendly and reliable company based in Ware who consider n...
Ilir/leo Shkembi
Dear All, I’m a plumber and heating engineer, I have access to all other trades guys that are willing to work long hours and at the weekends ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
J G BUILDING SERVICES is a trusted extension builder serving customers in Ware and the surrounding area. Contact us to today to get a competitive q...
Dan Nevill
Nevill Design & Build specialises in high-quality house extensions, loft conversions, structural alterations, and full refurbishments. We’ve deli...
Herts Loft Ltd is an established extension buildering business in Ware. We come highly recommended and provide competitive quotes for your work.
Ware, SG12
Need to find an Extension Builder near you for all your extension buildering work?
TPJ Building Ltd provides a local, trusted extension bui...
Claudio Lutchi
Complex Construction is an established extension buildering business in Ware. We come highly recommended and provide competitive quotes for your wo...

A flat roof extension ranges from the cheapest of £21,320 (Complex Construction based in AL7) to the dearest of £25,152 (Essex loft extensions Ltd based in CM20), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Ware by posting a job with HaMuch. We'll send it to extension builders in Ware.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Ware | £47 | £296 |
| Build A Flat Roof Extension near Hertford | £46 | £290 |
| Build A Flat Roof Extension near Hoddesdon | £46 | £296 |
| Build A Flat Roof Extension near East Hertfordshire | £44 | £289 |
| Build A Flat Roof Extension near Welwyn Garden City | £42 | £269 |
| Build A Flat Roof Extension near Cheshunt | £48 | £285 |
| Build A Flat Roof Extension near Harlow | £43 | £288 |
| Build A Flat Roof Extension near Hatfield | £42 | £266 |
| Build A Flat Roof Extension near Stevenage | £44 | £282 |
| Build A Flat Roof Extension near Potters Bar | £43 | £273 |
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 - £18,055

Two storey extension - £88,833

Build a timber frame extension - £26,555

Build a swimming pool - £81,555

Single storey extension - £66,104

Side return extension - £47,746

Install an RSJ - £2,755

Outbuilding - £10,555

Build a Mansard loft conversion - £52,555

Loft conversion - £38,955

Build a kitchen extension - £42,555

Hip to gable loft conversion - £42,555

Granny annexe - £87,555

Garden office - £10,555

Convert a Garage - £16,555

Garage - £19,055

Build a flat roof extension - £22,555

Build a dormer loft conversion - £42,555

Concrete foundations - £6,805

Convert a bungalow loft - £29,555

Convert a basement - £43,746