Cost to build a flat roof extension in St Blaise

Extend your St Blaise 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 Blaise?

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Flat roof extension cost in St Blaise

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 Blaise by posting a job with HaMuch. We'll send it to extension builders in St Blaise.

Estimates for build a flat roof extension near St Blaise

	Job	Estimate
	Cost to underpin a house	£17,141
	Build a two storey extension	£87,461
	Cost to build a timber frame extension	£25,641
	Cost to build a swimming pool	£80,641
	Cost to build a single storey extension	£47,819
	Cost to build a side return extension	£37,461
	Cost to Install an RSJ	£1,841
	Build an outbuilding	£9,641
	Cost to build a mansard loft conversion	£51,641
	Cost of a loft conversion	£30,384
	Cost to build a kitchen extension	£41,641
	Build a hip to gable loft conversion	£41,641
	Build a granny annexe	£86,641
	Build a garden office	£9,641
	Cost of a garage conversion	£15,641
	Build a new garage	£18,141
	Cost to build a flat roof extension	£21,641
	Cost to build a dormer loft conversion	£41,641
	Lay a concrete foundation	£5,891
	Cost of a bungalow loft conversion	£28,641
	Basement conversion cost	£33,461

Business name	Build a flat roof extension cost
SANDSTONE BUILDERS T/A, St Blaise, PL24	£21,656
Aston Construction Project Management, St Austell, Cornwall, PL25	£21,784
HAM & PEARCE CONSTRUCTION LTD, Fowey, PL23	£21,664
Refresh Renovations Cornwall, 140 Tregonissey Road, St Austell, Cornwall, PL25	£21,712
Refresh Renovations Cornwall, Cornwall, PL25	£21,712
Paul Clarke Architectural Builders, Cornwall, PL26	£21,712
Probuild(cornwall) ltd, Cornwall, PL25	£21,680
MORROW CONSTRUCTION, Saint Austell, PL26	£21,280
BUILDMARK BUILDERS, St Mewan, PL26	£21,640
DAVEY CONSTRUCTION LTD, Helland, PL30	£21,632
Burton Construction, Cornwall, PL31	£21,736
Pendragon Builders Ltd, Cornwall, PL26	£21,608
Pendragon Builders Ltd, Bunny's Cottage, Polmassick, St Austell, Cornwall, PL26	£21,544
MS Builders (South West) Ltd, Liskeard, PL14	£21,696
KC DESIGN AND BUILD, Gerrans, TR2	£21,536
Hysmark Builders, Cornwall, Cornwall, PL27	£21,696
MLM Contractors Limited, Wadebridge, PL27	£21,696
mav building services, wadebridge, Cornwall, pl27	£21,696
Penquite Construction, Liskeard, PL14	£21,600
F & B BUILDERS, St Breock, PL27	£21,680
Bushen Builders, Wadebridge, PL27	£21,600
Future Build Supplies Ltd, Liskeard, PL14	£21,632
A Collins Building Contractor, Goonhavern, TR4	£21,456
M D A BUILDERS , Liskeard, PL14	£21,632
McIlroy Builders, Cornwall, PL30	£21,744

Location in UK	Hourly Rate	Daily Rate
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 Newquay	£27	£193
Build A Flat Roof Extension near Falmouth	£27	£183
Build A Flat Roof Extension near Plymouth	£26	£196
Build A Flat Roof Extension near Camborne	£25	£177

Extend your St Blaise with an extension

Flat roof extension cost in St Blaise

Estimates for common extension builder jobs in St Blaise;

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Build a flat roof extension cost in St Blaise

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