External Wall Insulation

You could save up to 35% of the heat lost from your house by installing external wall insulation.

If your home was built before 1920, it probably won’t have cavity walls. External wall insulation (or solid wall insulation) is an alternative to cavity wall insulation which will prevent heat-loss, reduce carbon emissions and save you money every month. External wall insulation offers by far the simplest and most reliable solution for improved insulation performance. Similar to cavity wall insulation, it acts like a blanket around your house to keep heat in.


A layer of insulation material is fixed to the outside walls of your house. It is then covered with a special type of render and can be finished in a variety of effects — smooth, textured, painted, tiled, panelled, pebble-dashed, or finished with brick slips. It gives your outside walls extra protection through filling cracks and gaps, weather proofing and increasing sound resistance. This proven thermal upgrade solution has been trusted for many decades on building projects around the world. It is ideal for old and new buildings, individual houses, apartments and non-residential buildings.


In effect, the external wall insulation recreates the same effect that an insulated cavity wall has, so you use less energy to keep your home warm and spend less of your money on heating bills.

What are the benefits?

  • It will improve the appearance and lifespan of your walls.
  • It reduces condensation on internal walls and can help prevent damp (any existing penetrating or rising damp will need to be dealt with first).
  • Typically it can save you up to £460 per year in lower fuel bills. (based on a 3 bedroom semi-detached house)
  • It will keep your house warmer for longer.
  • Provides additional sound proofing.
  • Suitable for older or unconventional houses
  • Less disruptive than internal wall insulation
  • Protects existing brickwork
  • Reduce carbon emissions and protects the environment.
  • Improves property values.















External Wall Insulation being applied
















A Park Home with External Wall Insulation and painted render



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