These cost estimates are excluding vat which is currently 20.
Glass roof side return extension cost.
For a 16 sqm side return extension note.
You can expect to pay around 1 500 to 1 900 per square metre for a single storey side extension of basic quality.
The cost of a typical high spec glass extension is around 2 500 per m.
By introducing a side return extension infill extension to the rear of the property you have to also now change your access point to the garden.
Basement extensions cost on average between 3 500 5 000 per m.
The millions of terraced houses that define so much of our urban landscape are ripe for this addition but side return extensions need to be thought through properly.
Get it wrong and this improvement is not just disappointing but can damage the light flow and quality of your existing space rather than.
They also do not include key fit out items such as kitchens glazing landscaping and bathrooms and they assume the existing property soil drainage and foundations are in a good adequate condition.
How much does a side return extension cost.
In london a side return extension can cost anywhere between 3 000 5 000 per square metre.
So for a ten metre extension it could be between 30 000 50 000 vat and professional fees.
The average house extension cost in london in 2019 is between 1 600 2 100 per m.
This is normally a great opportunity to introduce as much glass as possible to the rear elevation of the home.
Other parts of the country could be up to 20 less depending on the location and site condition.
Around 1 900 to 2 200 per square metre for a finish of good quality.
Cost in a typical side return extension a flat roof with sealed membrane would cost 2500 to 3500 a pitched lean to roof with slates would set you back 3000 to 4000 and a glass roof is more.
Have you done a small lean to side return extension if so what was the total cost.
The side return extension is one of the most common domestic building projects.
So for a ten metre extension it could be between 20 000 40 000 vat and professional fees.
House extension cost calculator are you looking for more space or thinking of buying a house and extending it yourself.
Structural glass extensions.
I am in a narrow victorian terrace.
I d like to add a space with a sloping glass roof atrium style windowed i think with a pane that opens slightly for ventilation and a large pane of glass at the wall end looking into the garden.