JOHN KNOWLES BUILDING SERVICES are here to help customers who need an Extension Builder in ME18. We offer a competitive rate to complete all your e...
Relax... you have found a reliable extension builder in ME18. ARTBUILD LTD is a friendly and reliable company based in ME18 who consider no job as ...
DAVID WILLIAMSON CONSTRUCTION is a trusted extension builder serving customers in ME18 and the surrounding area. Contact us to today to get a compe...
From £9,816
John Higgins
Relax... you have found a reliable extension builder in ME18. JOHN HIGGINS BUILDING is a friendly and reliable company based in ME18 who c...
From £10,008
TJ RALPH BUILDINGS SERVICES is a trusted extension builder serving customers in ME18 and the surrounding area. Contact us to today to get a competi...
From £10,088
We are a family run, specialist loft conversions company who design and build lofts and extensions in the South East and we pride ourselves on prov...
From £9,904
Frisby Building have over 60 years of experience working in the building industry around Kent, specialising in kitchen and bathroom installations a...
From £9,872
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,912
Need to find an Extension Builder near you for all your extension buildering work?
Flisher Construction Ltd provides a local, trusted exten...

Outbuilding costs in ME18 range from the cheapest of £9,816 (JOHN HIGGINS BUILDING based in ME18) to the dearest of £10,088 (Elevate Loft Conversions Ltd based in ME19), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in ME18 by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Larkfield | £41 | £253 |
| Outbuilding near Maidstone | £40 | £255 |
| Outbuilding near Tonbridge | £38 | £254 |
| Outbuilding near Rochester | £39 | £254 |
| Outbuilding near Sevenoaks | £38 | £234 |
| Outbuilding near Tunbridge Wells | £37 | £258 |
| Outbuilding near Chatham | £39 | £254 |
| Outbuilding near Gillingham | £39 | £253 |
| Outbuilding near Gravesend | £40 | £260 |
| Outbuilding 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 - £17,436

Two storey extension - £87,904

Build a timber frame extension - £25,936

Build a swimming pool - £80,936

Single storey extension - £53,720

Side return extension - £40,780

Install an RSJ - £2,136

Outbuilding - £9,936

Build a Mansard loft conversion - £51,936

Loft conversion - £33,150

Build a kitchen extension - £41,936

Hip to gable loft conversion - £41,936

Granny annexe - £86,936

Garden office - £9,936

Convert a Garage - £15,936

Garage - £18,436

Build a flat roof extension - £21,936

Build a dormer loft conversion - £41,936

Concrete foundations - £6,186

Convert a bungalow loft - £28,936

Convert a basement - £36,780