External wall insulation in Swansea
Many homes in and around Swansea are older solid-wall properties, and coastal exposure makes wind-driven rain and damp a real consideration. Solid walls lose far more heat than filled cavity walls, and cavity fill isn't an option for them. External wall insulation wraps the outside of the house and finishes it in render, which renews the look of the property and adds a weatherproof layer against wind-driven rain.
What the survey checks
We confirm the wall construction, check for damp, and plan the details around windows, sills, downpipes, meters and the roof line, which are where external insulation succeeds or fails. Swansea is covered by the same in-house team that works across the West Midlands, with surveys arranged around our regular South Wales work.
Planning and building rules in Swansea
External wall insulation changes the outside of the building, so it can need planning permission, particularly in a conservation area or on the front of the property. Welsh planning rules differ from England's in places, so we check what applies to your Swansea address, and the work is notified under Building Regulations.
Often done alongside external wall insulation in Swansea
- Air Source Heat Pumps in Swansea — a well-insulated solid-wall home is what lets a heat pump run efficiently
- Loft Insulation in Swansea — the roof is the other big source of heat loss
Beyond Swansea, the same in-house team carries out external wall insulation in Neath, Port Talbot, Bridgend and Wrexham. For how we approach the work anywhere, see our External Wall Insulation & Rendering page.
















