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Extension -where and when to start?

3 replies

Churchillian · 22/11/2018 01:50

We need to knock down an old single brick and concrete extension which is utility/downstairs toilet and at some point was knocked through to make the kitchen a third bigger.

We moved here a couple of years ago and have patched it up, but it’s really not in a good state - cracks in the wall, cracks in the roof, old rotting windows, freezing cold etc.

Plan is to knock it down and to rebuild and make it bigger and double height so it would extend the width of the house and to reconfigure some of the downstairs layout to move the kitchen so it overlooks the back garden and to add a new bedroom upstairs. We will also need a new bathroom and a new kitchen.

We have a 1950’s semi and many houses around here have been extended recently so we’re not anticipating planning issues.

My question is where and when to start? We are about 2.5 years into a 5 fixed rate mortgage deal and will have about 50% equity when that’s finished. We’d be looking to extend our mortgage at that point to cover the costs of the work.

Is it too soon to start talking to architects and getting plans and planning permission sorted and the structural surveys done? We have savings to cover these costs.

Did you talk to your mortgage provider about additional borrowing at this point too, to get an idea of your budget? We’d prefer to do everything at once and move out for a while but would be open to say doing the more urgent work downstairs first and waiting to do the upstairs if we couldn’t afford both.

Could you share extension timeline and how long did it take you from starting the planning to starting the build? I’m feeling a bit overwhelmed at the moment with it and want to be realistic about how long things take.

OP posts:
Bibble69 · 22/11/2018 13:45

I would speak to an architect first, they should be able to give you a rough estimate costings of the work you want doing.

Then speak to a financial adviser, about remortagaging which will give you your budget to work to, and may get you a better deal on your mortgage.

Go back to architect with budget and get plans draw and submitted for planning.

Whilst waiting for planning to go through, get quotes in from at least 3 builders, and go and speak to previous clients of builders about how thier builds went. Also ask builders about when they can commence work, lots are very busy at the moment. I would generally avoid any that can start 'tomorrow'.

As for time frames, architect to draw up plans 2 days to week. Planning permission 6-7 weeks, all overlooked houses will get asked if fhey have any objections. This can lead to delays if objections are put in. Remortaging can be done whilst waiting for planning, just get an offer of mortgage, don't remortgage until planning permission is granted. The biggest delay will be between planning permission being granted and the builder starting. You are reliant on them finishing the previous job on time, so their start date will probably get pushed back.

Churchillian · 22/11/2018 14:34

Thanks Bibble, that sounds like we should only really start about 6-12 months before we’re due to remortgage. That does give us time to save.

OP posts:
Rollercoaster1920 · 22/11/2018 14:54

I was considering a second mortgage when I was in a 5 year fixed a few years back (although I ended up getting a personal loan over a shorter period). Info here:
www.moneyadviceservice.org.uk/en/articles/second-charge-or-second-mortgages

Planning can take longer than the target times. Delays in the planning department due to workload, and you may get referred to Committee (more delay). Planning permission expires if development doesn't start so don't get it too early! 2 or 3 years I think.

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