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2017 cost per m2 extension??

(11 Posts)
growingweeble Tue 25-Apr-17 19:16:22

Sounds like building costs have increased a lot recently. What price per square metre is the norm for an extension these days in the SE--just to build a family room (i.e. no kitchens, bathrooms etc)?

Graveyardkate Tue 25-Apr-17 21:47:36


Cacofonix Tue 25-Apr-17 22:08:03

So top end spec with underfloor heating etc in SE is around £2500, very basic £1500 and mid range £2000 according to our architects. We have just finished our extension and it was bang on £2500.

Graveyardkate Tue 25-Apr-17 22:12:53

What does that include Cacofonix? Not the VAT presumably, but flooring and decor etc? What about architects, structural engineers, planning fees etc - not included? Can you tell I am a total novice?!

namechangedtoday15 Tue 25-Apr-17 22:31:39

I think those "averages" are generally to a plaster finish (so no flooring / decor etc) and don't include VAT.

didireallysaythat Tue 25-Apr-17 22:36:03

Ours came in at £3000/m2 including vat, UFH, flooring, decor, electrics, sky lights and bifolds (expensive!), planning, architect, build regs.

By the time you add in the kitchen , plumbing, well it's a lot higher !

Blahblahblah2468 Tue 25-Apr-17 22:43:07

We are currently having an extension now and it works out to be £1500 per m2 and that is upto being ready to decorate. 3 rooms single storey

Neolara Tue 25-Apr-17 23:44:01

Our architect reckoned on between £3k and £3.5k per square meter for fully finished (e.g. Lighting, bathrooms, carpets etc). We reckon she's probably about right. We're in city with ridiculously high property prices.

Cacofonix Wed 26-Apr-17 08:03:47

Yes £2500 didn't include kitchen and flooring but did include VAT and massive sliding doors, wet underfloor heating and all finished to painted plaster.

Cacofonix Wed 26-Apr-17 08:05:32

Just to add though our building quotes varied greatly with over £100 000 difference between them. We live in SE London and do suffer from London prices so get a range of quotes.

growingweeble Wed 26-Apr-17 12:55:27

This is all so helpful. Thanks. I had heard £3.5k where we are which makes things too expensive but if it is £2.5k it should be possible.

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