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Tell me how much this extension might cost!

(9 Posts)
lucysnowe Mon 18-Jul-11 13:13:21

I know you are not my builder but you are all knowledgeable ladies and I am clueless. [hsmile]

DH has some plans to turn our two-bed 1920s cottage to a three bed. It involves

- knocking down kitchen (currently an extension) and rebuilding it bigger, adding a second storey with a new bedroom and ensuite
- moving stairs from hall to living room
- moving walls around upstairs to make current bathroom bigger and convert current master bedroom to two smaller ones
- adding a window in the front
- new floors downstairs, new kitchen, new bathroom(s), new carpets for bedrooms - all pretty cheap though (Ikea/B&Q)
- redecorating/plastering throughout
- Oh and planning permission obv.

Can anyone give me a rough idea of how much this might cost, or if you did something similar, how much it cost you??

Thanks a million!

Wigeon Mon 18-Jul-11 14:35:59

Where in the country are you? How big do you want the rebuilt kitchen to be? Sounds like pretty major work to me. We are just having a small (3m x 3.5m) kitchen extension at the mo and so a very wild estimate (south east England prices) - upwards of £50k (am not a builder tho). Depending on the value of your house it might be worth moving house rather than attempting so much work on your existing house.

lucysnowe Mon 18-Jul-11 19:42:55

Hi Wigeon, thanks for the reply!

Really - that much? You see I had no idea really, I was thinking more like 30-40k for the whole lot. shock Can I ask if your extension is to add a second storey or more space? And does it include a new kitchen, knocking down existing roof etc?

We are in Oxfordshire - not the cheapest place I would imagine - do prices vary a lot?

Depending on the value of your house it might be worth moving house rather than attempting so much work on your existing house.

You are saying what I want to hear smile but DH is v. keen on his plan, bless him, and it is a lovely house...

Wigeon Mon 18-Jul-11 19:55:42

I should think Oxfordshire is pretty similar to Hertfordshire (where I am). I think £30-£40k is very conservative, even if you go for the cheapest kitchen etc etc. I will private message you about our

I think you need to get a couple of builders round to give you a rough idea of costs and present your DH with your findings, and start looking at Rightmove!

lucysnowe Mon 18-Jul-11 21:23:47

thankyou, have replied!

kbaby Mon 18-Jul-11 21:56:30

Just to give you an idea, we've had 3 quotes to change velux window into dormer, move stairs, install bathroom upstairs, remodel all bedrooms and knock down a kitchen wall. All of the quotes are coming in around 35k and that's without having anything actually built.
I think you'll be looking at 40k upwards

pepperrabbit Mon 18-Jul-11 21:58:43

Definitely get several quotes.
We're just about to start our build - 2 storey side and part-front plus single storey at the back - to give you an idea quotes ranged from £64k+VAT to £110k+VAT.
Yes indeedy, shock shock shock

kbaby Mon 18-Jul-11 22:17:49

I'll have to show Dh your quote pepper, he was moaning about ours!

lucysnowe Tue 19-Jul-11 08:49:57

Thanks kbaby and blimey pepper.

Looking into it I've seen some people say around £1000 per m2, and some up to £2500 per m2 - that's a massive difference! And I suppose you have to think about quality as well.

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