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Select your affordable Sandwich extension builder
Brendan Healy
All building work , all hoyse maintenance. House extension and refurbishment works.
Christian Builders Margate Ltd is a multi-service company founded by Nick Christian. We operate with a highly skilled team of designers, tradesmen,...
GDB CONSTRUCTION is a trusted extension builder serving customers in Sandwich and the surrounding area. Contact us to today to get a competitive qu...
Festim Kastrati
We been for almost 15 years in the building trade,
we are easy going and willing to work with our client and to archive the best r...
Need to find an Extension Builder near you for all your extension buildering work?
Bespoke building projects provides a local, trusted exte...
From £88,048
Jordan Pink
Monarch Builders South East Ltd is an established and experienced local extension builder in Sandwich. Please contact us for a free, no obligation ...
From £87,304
4D BUILDERS LTD are here to help customers who need an Extension Builder in Sandwich. We offer a competitive rate to complete all yo...
From £87,256
Christian Builders Margate Ltd is an established and experienced local extension builder in Sandwich. Please contact us for a free, no obligation q...
From £87,400
Relax... you have found a reliable extension builder in Sandwich. Paragon Stone Design is a friendly and reliable company based in Sandwich who con...
From £87,448
Design – our highly experienced design team can help you visualise your dream outcomes, working sympathetically with your space to find the perfe...

Costs range from £86,968 (B H G M Ltd based in CT7) to £88,048 (Monarch Builders South East Ltd based in CT9), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to Sandwich.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Deal | £26 | £199 |
| Two Storey Extension near Margate | £27 | £208 |
| Two Storey Extension near Ramsgate | £27 | £208 |
| Two Storey Extension near Thanet | £27 | £207 |
| Two Storey Extension near Broadstairs | £27 | £208 |
| Two Storey Extension near Dover | £29 | £226 |
| Two Storey Extension near Canterbury | £31 | £232 |
| Two Storey Extension near Herne Bay | £28 | £213 |
| Two Storey Extension near Whitstable | £28 | £214 |
| Two Storey Extension near Folkestone | £31 | £233 |
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 - £17,126

Two storey extension - £87,438

Build a timber frame extension - £25,626

Build a swimming pool - £80,626

Single storey extension - £47,512

Side return extension - £37,288

Install an RSJ - £1,826

Outbuilding - £9,626

Build a Mansard loft conversion - £51,626

Loft conversion - £30,240

Build a kitchen extension - £41,626

Hip to gable loft conversion - £41,626

Granny annexe - £86,626

Garden office - £9,626

Convert a Garage - £15,626

Garage - £18,126

Build a flat roof extension - £21,626

Build a dormer loft conversion - £41,626

Concrete foundations - £5,876

Convert a bungalow loft - £28,626

Convert a basement - £33,288