Plans For Flat Roof Extension

Flat and low sloped roofs look striking on a wide variety of architectural models especially on contemporary house designs.

Plans for flat roof extension.

The flat roof extension is more on trend than it once was and is free of the dreaded leaks that haunted this type of structure in the past. In general a warm roof is preferable from a construction angle but it does lead to a higher roof profile which isn t always. Sometimes planning restrictions mean a flat roof is the most suitable course of action especially if you re working on a single storey extension. In fact many residences have sections of flat roof on porches balconies garages and room extensions which appear so attractive.

Applying flat roof extension design ideas. Frees up internal space. You get double the amount of floor space on. Moreover the costs of a flat roof extension today are typically lower than for a pitched roof.

There are many advantages to using a flat roof. The addition of a parapet makes a flat roof far safer providing a small barrier that provides additional security to reduce the likelihood of anyone standing the roof falling over the edge. Upstairs windows must be suitable for a fire escape. As you may imagine there is a fair amount of weight involved here in terms of boards felt etc.

This might be enough to extend by around 4m right across the back of a typical semi or detached house with either a flat or low pitched sloping roof as a single storey or side return extension both ideal for creating a large open plan kitchen diner. The foundations must be able to support the additional weight. Both extensions feature flat green sedum roofs that offer a striking contrast to the pitched roof of the original property. A parapet roof is a flat roof with the walls of the building extending upwards past the roof by a few feet around the edges.

A felted flat roof is easily insulated and it can work in almost any shaped extension. Mark hazeldine homeowner helen was keen that the extension to her 16th century cottage should mirror the older sections of the house. Choosing a flat roof design. Sizes of joists needed for flat roof construction.

Extension plan is an architectural. It is the standard method employed on flat roofed extensions but it is rarely used for new builds today. Many georgian properties were constructed with flat roofs often featuring parapets for example. Building a two storey extension has one main advantage that outweighs all others.

Whilst a felted flat roof is quick easy and cheap you run the risk of leaks and the roof has a reduced lifespan compared with a pitched roof typically 10 15 years compared to 20 30 years or more for pitched. You ll probably have to build the same kind of roof as the main house rather than a flat roof. So any timber joists that are used need to be strong enough to support this weight.