Single Storey Flat Roof Extension Construction

Single storey extension roof options.

Single storey flat roof extension construction. Simon denison a tired 1930s property has been given a new lease of life thanks to a new side extension. First and foremost a flat roof extension will usually be cheaper to create than a pitched roof extension. Add 10 for professional fees and vat 76 050. Installation of a flat roof covering is usually simple.

Pros of a flat roof extension. The single storey kitchen and writing room features stainless steel roofing that complements the composite wood and aluminium replacement windows and the stone cladding. Advantages of a flat roof single storey extension. There is a slight pitch so that water can be drained.

Apart from the costs which we ve already talked about in the previous section t he main differences will be. Typically a flat roof is cheaper than a pitched roof however while cost is a major factor you will also need to think about design maintenance and. What about two story extensions then. Roof terrace access can be split into two main types.

Double storey house extension two storey building a two storey extension will be very similar to building a single storey. Again london and the south east will more likely be pricier. There is less structural engineering involved with a flat roof and materials also tend to be cheaper. I would like to extend the very small single bedroom over the flat roof area.

Building on top of existing single storey extension. Unlike in the 70 s and 80 s flat roofs are actually now considered to be stylish. When deciding to do a single storey extension you will need to choose between a pitched roof or a flat roof. Many homeowners when building single storey extensions tend to opt for a flat roof because they are cheaper and quicker to create.

39 000 50 58 500. Generally most single storey extensions would have foundations adequate to accomodate an additional floor however this is all dependant on the age of the cottage. Access from the same level this is often the result of an extension project where a single storey extension is added to a property and the flat roof of the extension is turned into a terrace. When it is transformed into usable space that is when materials and construction costs can go up.

If both storeys are the same size a generally accepted rule is to add 50 extra to the build cost of a single storey extension. Metal roof on single storey extension image credit. Rubber and synthetic non porous materials being the standard. Contrary to its name a flat roof isn t actually flat.