Roof Dormer Cost Estimate Uk

A large dormer will often be the main element of an attic conversion or remodeling.

Roof dormer cost estimate uk.

Generally we would expect a flat roof replacement for a typical garage to cost from 1 000 upwards. Thus a typical size dormer of 240 sq ft. How much does a dormer addition cost. Gabled flared gable dormer.

On average putting in a shed dormer costs 125 140 per square foot. 15 16 costs 30 000 34 000 without a bathroom and 38 400 41 000 if you add a bathroom. Overall we estimate that the average cost for a roof replacement in the uk will come in at around 5 000 to 6 000. It typically costs between 2 500 to 20 000 for professional dormer installation or about 115 per square foot.

A simple flat roof dormer at the rear the house can transform an unused attic into a new bedroom or office and can be constructed from around 5 000 on top of the cost of a standard loft conversion cost of adding a dormer window on a basic budget from 5 000 what can you achieve with a mid range budget. There are several options for dormers including shed flat gable and hip. Small dormer 4 x 5 metres with 1 dormer and 1 roof light 31 000 medium dormer 6 x 5 metres with 1 dormer and 1 roof light 40 000 large dormer 12 x 8 metres with 1 dormer and 1 roof light 58 000. But side dormers and even l shaped dormers where an extension is added to the rear of the dormer are possible too.

The family handyman magazine estimates it takes about 1 800 in materials for a do it yourselfer to build a dormer about 6 feet wide and 9 feet high with one window. 72 115 per square foot or 25 900 to 41 500. However at the very cheapest end of the spectrum replacing the felt roof on a garage should only cost around 1 000 whereas replacing all the slate tiles on a large family home may cost as much as 12 000. If you have a dormer already and you re thinking of cutting a hole and installing it yourself figure 1000 to 1200 for materials.

Basic felt solutions cost 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. Dormer the most common type of loft extension in the uk today the dormer is a small flat roofed extension with a window. Labour costs may then cost around 150 to 250 per day per worker. Larger remodels like adding a bathroom dormer run about 24 000.

Average cost and size. Smaller projects like adding a window dormer cost about 4 000. These dormers use more siding because they integrate with the exterior wall but construction and roofing costs are lower than for other types per square foot. It s common to have two of these on the one roof for the sake of symmetry.

35 600 for dormer 20 wide x 18 deep. Adding a dormer bathroom significantly increases your total cost to 160 170 per sq ft. If that s the case dormer window cost is estimated at between 2 500 and 3 500.