New build costs

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I'm looking to move in the next year or so as we want somewhere with a bit of land.

As such I'm looking weekly for properties that come up and weighing up pros and cons, and getting a good idea of what we want, where we want it, and how much we should be paying.

One of the properties I've seen recently is a building plot with planning permission to build two fairly large executive style detached 4 bedroom houses with detached garages.

The houses are already designed and approved and look to be a good layout. I've used some online calculators and the costs seem to come out extremely expensive.

The land is rural so the properties will require private drainage, water, electric etc (neighbouring properties aren't far away though) and a shared driveway laying (splits off at the end to individual properties)

I'm hoping that building two properties would reduce some costs, making it cost less than building two properties at different times etc.

However looking at the costs from the calculators it wouldn't really be worth it as the cost to build comes out close to what the properties would be worth after they are complete which ends up making it a lot of hassle and work whilst also costing a lot more (price of land).

I'd hope to do some of the work myself but I'm no builder so would ideally want the shell built, and the inside plastered, electrics fitted and plumbing (probably oil fired) fitted. I can lay floors, paint walls, install bathrooms, kitchens, interior doors etc.

To make it work and just break even, I think I'd need to build both properties for no more than a total of £500k. For it to really be worthwhile it needs to be less than this as then I'd be in profit. I'm in the West Midlands.

Does that sound realistic? At this point I'm not after perfect quotes, just an indication of whether or not it is possible. Any experience of total project costs from after the point of planning would be useful too.
 
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No one is going to be able to say anything regarding build costs.

But your services costs, connections and legal agreement costs will be significant. And that's if you get agreements in the first place.

You'll need it properly priced up by a QS
 
No one is going to be able to say anything regarding build costs.

But your services costs, connections and legal agreement costs will be significant. And that's if you get agreements in the first place.

You'll need it properly priced up by a QS

Yeah, at this point I don't want to go too far if it isn't going to be possible - there are a number of complications and costs to going down this route so it isn't really a preferred route. I know of one similar build that cost £200k but was able to connect to mains sewerage - otherwise similar distance to connect services etc. However that was 160sqm. So as a rough estimate it would be 50% more, so more like £300k for one, but I was hoping the second one would then come in cheaper.

When you talk about legal agreement costs, is that in relation to the services?
 
You would be a fool to rely on any calculators, estimates, guesstimates, or "I did this and it cost that" comments.

Yes agreements relate to getting services to site, using the site and accessing it.
 
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You would be a fool to rely on any calculators, estimates, guesstimates, or "I did this and it cost that" comments.

Yes agreements relate to getting services to site, using the site and accessing it.

Thanks - The more I look, the more I think it just isn't worth it.

Realistically the land is going to cost £400k and will yield two properties - one I estimate to be worth approx. £450k, the other approx. £550k. So £1m at the end, but the extra costs for Self build mortgage, inconvenience, stamp duty on the land, hassle to ensure that it doesn't attract capital gains tax, selling one property etc. Just makes it not seem worth it.

I'm constantly told about material prices going up, shortage of trades etc. So I could see costs spiralling.

On a best hope, it would cost around £900k and I'd sell one property for £450k. Meaning I'd be left with a house worth £550k for a cost of £450k but 2 years of inconvenience.

On a worst case it would cost another 100k plus and really I'd be out of pocket.

I think this one probably isn't worth continuing with.

Thanks again for the input.
 

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