Flat Roof Extension With Lantern Cost

On a flat roof extension installing bi folding patio doors and a roof lantern can make the space as light as a conservatory.

Flat roof extension with lantern cost.

Single storey extension cost guide. The cost of installing a roof lantern can vary depending on the style material size and design you opt for. Flat roof extension cost you will likely have a budget for the project and in this case learning that a flat roof generally costs less than a pitched roof will be good news. Flat roof extension cost.

According to an article in the daily telegraph flat roof extensions with roof gardens can add anywhere between 10 and 15 to the value of a home a smart investment to make should you ever decide to sell up. This is because a flat roof requires less structural engineering and can utilize less expensive materials than the pitched variety. In london and the south east the average cost per m2 is around 1 500 2 000. Using the build it estimating service we ve priced this 20m2 single storey rear extension at 34 662 including labour plant materials and vat.

For two storey extensions add 50 to the cost of a single storey extension. Whereas glass only designs are difficult and expensive to implement since the introduction of tighter building regulations roof lanterns look fantastic and provide plenty of daylight while still offering good levels of thermal efficiency. The average cost per m2 for an extension outside of london is between 1 200 1 500. Think flat roof but with a supporting up stand or kerb and then glass box construction on top.

So you need to look for a roof lantern with minimal glazing bar connectors such as the slimline tm roof lantern will help to minimise the impact on the look and the amount of light that will flow through. Opinion is divided about whether we should go with a flat roof with a large roof lantern ie an orangery or a pitched tiled roof with velux windows. The roof lantern is a hybrid roof solution. Roof lanterns are the perfect way to add a feature to your flat roof letting maximum levels of natural light in whilst providing a unique feature and views of the sky above which is particularly impressive on a clear night.

We are planning a single storey extension to the rear of our property 3 5 metres x 11 metres. The project features bifold doors and a roof lantern and could be the perfect choice for creating an open plan kitchen diner or a similar zone. Another appeal of flat roof extensions lay in their cost. It borrows conservatory roof technology and combines it with a traditional flat roof to create a highly flexible solution which maximizes the flow of light into pre existing and new rooms.