Project manage yourself to reduce your building extension cost a builder will add 15 to 25 per cent on to the total cost of labour and materials to cover their time for managing the project.
How much does it cost to do a roof extension.
The cost of extending my 30 foot long roof overhang 14 inches was 340 or 11 50 per running foot for materials.
Or 1 250 to 1 450 per square metre plus vat from what mortgage what is a mansard roof extension.
This cost did not include any labor or waste disposal fees.
Adding a wood lattice roof can range between 500 and 10 000.
The cost can be more for larger homes homes with complex roof designs or when installing more expensive materials.
So you can save on the cost of an extension by effectively taking on the role of building contractor yourself.
Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive.
Average cost the average cost for a patio roof addition using low maintenance wood patterned aluminum runs for about 6 000 to 10 000 for an area of 20 by 20 feet as of 2011.
A good estimate for a contractor to do this same roof overhang extension would range from 50 to 85 per running foot.
The cost to replace the roof on most homes is 4 000 to 10 000 and most spend about 8 000.