approx cost to convert the garage

riteshpatel

I have a 27 X 12 feet garage with flat roof.
I would like to split into 3 parts. First half will have a utility and storage. second half of garage will have Study or play area.
following things will be needed
1) ceiling and flooring will be needed throughout.
2) lightings (simple central light)
2) utility will have a washing machine, dryer and dishwasher and a sink. And some small storage cupboard
3) study should have some electrical points and a electric hearter
4) garage door will be sealed with the false wall behind

Any idea what is the range of expenditure I should expect. I am looking for the minimum cost and average cost approx. I am not doing very expensive conversion but it should look good.

boo_star

Why on earth are you asking on here?

Ask local tradespeople to quote you and go with whatever you're happy with.

Mutton_Geoff

I’m already confused by “3 parts” making two halves.

Loads of unknowns. Access from house, nearest water supply, ease of adding new feed from consumer unit, location of existing foul water drain to couple new waste to. Whether windows exist or are needed.

I did a similar thing and converted a tandem garage with loft. The loft space above the front half was converted into an ensuite for the adjacent master bedroom. The rear half was enclosed as an insulated box with half the ceiling taken out to form a mezzanine storage area and is now an office/home gym. A new window was cut in. Old doors were replaced with custom made double glazed units. New soil and electricity feed needed.

It was part of a whole house refurb costing £250k so I don’t have separate figures.

Davesnave

'Looking good' is one thing, but meeting building regulations, or at least considering them, is just as important, or you could end up with a potentially damp outbuilding. Maybe you only want this done to outbuilding standards, but no one knows from what's written here.

Properly constructed walls and roofs, adequately insulated, don't 'look good' because the work is never seen, but they stop the place looking bad through condensation and mould growth. They also pay back in lower heating costs.


Before I converted it properly, my garage had a central light, electrical points and a heater, but it wouldn't have made a study or office. The heater was there to stop the pipes freezing and sometimes rain penetrated the walls a bit. If I'd just screwed some battens to the walls, lined them with plywood and painted, it might have looked nicer and more office-like, but nothing important would have changed.

What you've written isn't a proper specification. Unless you have help to write a full one, you won't be able to compare quotes from builders, because there's many different ways to achieve what you seek, both good and bad, and it isn't clear exactly what you want anyway.

ethank

You may need to get consent from your local council particularly if you live on a housing estate. Although it is normally a permitted development right, it can be removed by planning conditions and often are on newer estates in order to prevent parking issues.

riteshpatel

Thanks for reply. I will share more information and internal photos. But I don't understand how to attach photos here.