In london and the south east the average cost per m2 is around 1 500 2 000.
Glass roof side extension cost.
In london a side return extension can cost anywhere between 3 000 5 000 per square metre.
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.
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.
This is normally a great.
Glass extension costs.
Glass extensions for houses are actually a lot cheaper than they might sound.
For a 16 sqm side return extension note.
The average cost per m2 for an extension outside of london is between 1 200 1 500.
These cost estimates are excluding vat which is currently 20.
For two storey extensions add 50 to the cost of a single storey extension.
Glass extension cost per square metre.
Structural glass extensions.
How much will a glass extension cost.
Glass garden rooms are available for under 10 000 depending on size and specification.
Try using a online extension calculator to estimate the cost more accurately.
When planning to build a glass extension you need to have a budget of at least 3 000 per m.
There would be additional costs for internal renovation work elsewhere and or adding in a new kitchen.
Here using large glass roof over the whole area will maximise your natural light influx and create a much lighter space than you have previously.
The cost of glass extensions varies considerably and will depend on the size and complexity of the proposed design.
Rooflights link a side return extension to the outside especially when tall trees are visible in the surroundings and a view of open sky can also help the interior feel bigger.
Replace solid roofing with a length of glass to exaggerate the extension s size.
Side return extension costs per square metre.
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.
Prices for glass extensions go from between 14 500 up to 74 000 or more.
The glass extension price will change depending on your selected specifications from choosing the most suitable design style and structure.