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"Excellent painting skills." - MAIDSTONE,reviewed 27/03/19, TONY
We are a family run business with over 30 years experience in the roofing industry. We pride ourselves on our high standards of workmanship and cus...
Mayfair developers have been in the construction industry for over a decade. Our passion is to transform old spaces into new usable homes for our c...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Experienced extension builder ready to quote for your work. SEAN EVANS GENERAL BUILDER is the best extension builder in Rainham. No obligation free...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
I D S BUILDERS LIMITED is an established extension buildering business in Rainham. We come highly recommended and provide competitive quotes for yo...
M K Builders Medway Ltd is an established extension buildering business in Rainham. We come highly recommended and provide competitive quotes for y...

A flat roof extension ranges from the cheapest of £21,368 (Rafs based in ME15) to the dearest of £22,424 (Des Durant General Building based in ME5), 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 Rainham by posting a job with HaMuch. We'll send it to extension builders in Rainham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Gillingham | £39 | £253 |
| Build A Flat Roof Extension near Chatham | £39 | £254 |
| Build A Flat Roof Extension near Rochester | £39 | £254 |
| Build A Flat Roof Extension near Sittingbourne | £35 | £246 |
| Build A Flat Roof Extension near Maidstone | £40 | £255 |
| Build A Flat Roof Extension near Larkfield | £41 | £253 |
| Build A Flat Roof Extension near Swale | £35 | £241 |
| Build A Flat Roof Extension near Gravesend | £40 | £260 |
| Build A Flat Roof Extension near Canvey Island | £39 | £256 |
| Build A Flat Roof Extension near Northfleet | £41 | £261 |
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 - £17,536

Two storey extension - £88,054

Build a timber frame extension - £26,036

Build a swimming pool - £81,036

Single storey extension - £55,720

Side return extension - £41,905

Install an RSJ - £2,236

Outbuilding - £10,036

Build a Mansard loft conversion - £52,036

Loft conversion - £34,088

Build a kitchen extension - £42,036

Hip to gable loft conversion - £42,036

Granny annexe - £87,036

Garden office - £10,036

Convert a Garage - £16,036

Garage - £18,536

Build a flat roof extension - £22,036

Build a dormer loft conversion - £42,036

Concrete foundations - £6,286

Convert a bungalow loft - £29,036

Convert a basement - £37,905