Flat Roof Extension Cost Per M2

If you want to add a bathroom or kitchen add 5 000 10 000.

Flat roof extension cost per m2.

The average cost per m2 for an extension outside of london is between 1 200 1 500. For two storey extensions add 50 to the cost of a single storey extension. In london and the south east the average cost per m2 is around 1 500 2 000. You ll probably have to build the same kind of roof as the main house rather than a flat roof.

Cavity wall insulation cost. To this cost you should add a 10 15 for professional fees vat. At 1 580 per m2 of extra living space this model double storey extension project offers better value for money than the flat roof single storey extension. Flat roof replacement costs.

This affects the amount of zinc needed. Felt roof cost per square metre torch on roof prices. House extension cost calculator are you looking for more space or thinking of buying a house and extending it yourself. To give you an idea of materials cost so you can work out what your contractor is charging for labour i have just completely replaced my large 3m x 12m garage extension roof.

Lead bay roofs are even more expensive starting from 300 per m2. The above rates would apply to a small domestic roof of 10m2 or less. However the overall cost of a two storey extension is greater. Rubber roofs costs start from 80 per m2.

Our impartial guide explores how much you can expect quotations to be. A modern felt roof or built up felt roof otherwise known as a torch on flat roof. House extension costs per square foot vary depending on location style. If they are expect an additional cost of 40 per.

The exact material you use will have an impact on the cost of the roof with basic felt solutions costing around 50 per square metre for the material itself and more high end materials such as modern grp a form of fibreglass going up to 90 per square metre but allowing unlimited options in terms of colour and generally being more long lasting. Flat roof cost per square metre. Well before you go dreaming of sky lights and kitchen islands take a look at our house extension cost calculator below to determine how much you may expect to pay for the labour costs in england and wales. I replaced everything from the firrings upwards so firrings deck epdm 1 5mm all trims new fasica and completely new guttering.

A two storey extension usually costs 45 more. For fibreglass expect to pay from 90 per m2 and for fire glass bay roof from 250 per square metre. Factors affecting zinc roofing costs. Basement extension cost guide.

However if you were to have a 100 m2 zinc roof these rates would reduce. See these flat roofs compared here best flat roof replacement. House extensions cost initial cost appraisal. Because zinc is a commodity it is prone to price changes on a regular basis.

2020 price comparison per m2 new kitchen cost.