Rendering 101

Exteriors, General

If you’re working on the exterior of your home, you might want to consider rendering. By applying a coat of coloured render to the outside walls you can give you house a complete facelift with minimal effort. Render is the perfect solution if the existing exterior is unattractive, tatty, or a mish-mash of different finishes.

victoriaterraceWhy would you want to render?
If the outside of your home is looking a little worse for wear, it can be the perfect answer to creating a uniform, quality finish to the external walls.
Lots of terraced city houses are striving for that picturesque colourful dolls houses look. By rendering your house you can have a neat, attractive and picture perfect home.

Rendering and the law
Generally, planning permission won’t be required for your rendering project. The only usual problems are with listed buildings or homes that are in a conservation area.
Rendering work on a substantial part of a house must comply with Building Regulations. In an older house this could mean that the walls will have to be insulated by adding materials within the cavity or, in the case of solid walls, by applying insulation on the inside or outside face of the external walls. This will mean that the set up cost of initially rendering your home is more, but it will help reduce your fuel bills by up to 40%.

What will it cost?
Rendering and painting a typical three-bedroom semi-detached house with 80m² of walls can cost £2,500–£3,500.
For a solid walled house or if the cavity is too small to apply sufficient levels of insulation you may wish to take this chance to add insulation. In this case an external wall insulation system is usually a better option than insulating internally as no space or architectural detail is lost within the property. Again, this will increase your initial bill significantly but it will be a huge benefit to your home in the long term.

Be prepared
The first step in before your rendering starts (after the legal side has been investigated) will be to have the walls surveyed. You’ll want to ensure all repairs are made to any structural defects and any movement stabilised. This will minimise the risk of issues with the render down the line.
External details such as drainpipes, bargeboards and alarm boxes, will have to be removed before work can begin. Any vents will need to be extended, and sometimes window sills must be extended too. Metal stop and angle beads are then applied around the window and door openings and corners to provide clean edges for the render.
After these alterations have been made, the render system can be applied.


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