Cost to build a flat roof extension in St Columb

Extend your St Columb with an extension

A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in St Columb?

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Flat roof extension cost in St Columb

A flat roof extension ranges from the cheapest of £21,280 (MORROW CONSTRUCTION based in PL26) to the dearest of £21,784 (Aston Construction Project Management based in PL25), 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 St Columb by posting a job with HaMuch. We'll send it to extension builders in St Columb.

Estimates for build a flat roof extension near St Columb

	Job	Estimate
	Cost to underpin a house	£17,103
	Build a two storey extension	£87,405
	Cost to build a timber frame extension	£25,603
	Cost to build a swimming pool	£80,603
	Cost to build a single storey extension	£47,064
	Cost to build a side return extension	£37,036
	Cost to Install an RSJ	£1,803
	Build an outbuilding	£9,603
	Cost to build a mansard loft conversion	£51,603
	Cost of a loft conversion	£30,030
	Cost to build a kitchen extension	£41,603
	Build a hip to gable loft conversion	£41,603
	Build a granny annexe	£86,603
	Build a garden office	£9,603
	Cost of a garage conversion	£15,603
	Build a new garage	£18,103
	Cost to build a flat roof extension	£21,603
	Cost to build a dormer loft conversion	£41,603
	Lay a concrete foundation	£5,853
	Cost of a bungalow loft conversion	£28,603
	Basement conversion cost	£33,036

Business name	Build a flat roof extension cost
KC DESIGN AND BUILD, Gerrans, TR2	£21,536
HANDLEY BUILDERS, Newquay, TR7	£21,536
BUILDMARK BUILDERS, St Mewan, PL26	£21,640
MORROW CONSTRUCTION, Saint Austell, PL26	£21,280
MYSA, Cornwall, TR7	£21,608
DAVEY CONSTRUCTION LTD, Helland, PL30	£21,632
A Collins Building Contractor, Goonhavern, TR4	£21,456
Hysmark Builders, Cornwall, Cornwall, PL27	£21,696
Probuild(cornwall) ltd, Cornwall, PL25	£21,680
F & B BUILDERS, St Breock, PL27	£21,680
Refresh Renovations Cornwall, 140 Tregonissey Road, St Austell, Cornwall, PL25	£21,712
Refresh Renovations Cornwall, Cornwall, PL25	£21,712
MLM Contractors Limited, Wadebridge, PL27	£21,696
mav building services, wadebridge, Cornwall, pl27	£21,696
Paul Clarke Architectural Builders, Cornwall, PL26	£21,712
Aston Construction Project Management, St Austell, Cornwall, PL25	£21,784
Bushen Builders, Wadebridge, PL27	£21,600
Pendragon Builders Ltd, Cornwall, PL26	£21,608
Pendragon Builders Ltd, Bunny's Cottage, Polmassick, St Austell, Cornwall, PL26	£21,544
SANDSTONE BUILDERS T/A, St Blaise, PL24	£21,656
Burton Construction, Cornwall, PL31	£21,736
Cannon and Son Ltd., 6 Wheal Leisure Close, Perranporth, Cornwall, TR6	£21,376
Cannon and Son Ltd., Cornwall, TR6	£21,536
KEAST CONSTRUCTION LTD, Truro, TR1	£21,432
Rock Construction, Cornwall, TR1	£21,536

Location in UK	Hourly Rate	Daily Rate
Build A Flat Roof Extension near Newquay	£27	£193
Build A Flat Roof Extension near St Austell	£32	£206
Build A Flat Roof Extension near Truro	£27	£182
Build A Flat Roof Extension near Falmouth	£27	£183
Build A Flat Roof Extension near Camborne	£25	£177
Build A Flat Roof Extension near St Ives, Cornwall	£25	£174

Extend your St Columb with an extension

Flat roof extension cost in St Columb

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Build a flat roof extension cost in St Columb

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