Damp, foam or old insulation? Fixed in Welwyn Garden City

Common loft faults here

Terraces account for 37% of Welwyn Garden City’s homes. Where party walls stop short in the loft, warm air, smells and pests pass between houses; we close the gaps on your side.

23% of the housing in Welwyn Garden City is semi-detached. When we open those hatches we often find cables buried under old insulation and eaves packed tight.

27% of homes in Welwyn Garden City are flats. The roof space above a top-floor flat usually belongs to the freeholder, so check your lease before any work.

Signs that something is wrong up there include water marks on the ceiling under the loft, a musty smell as the hatch opens or spray foam stuck to the underside of the roof. If you’d rather not go up, we’ll look for you.

Next step

Loft checks are available across Welwyn Garden City and nearby Hatfield, Hertford, St Albans, Harpenden and Ware.

If the problem is a roof leak, we’ll tell you plainly so you can get it fixed before we insulate.

Welwyn Garden City’s housing at a glance

Census 2021 put the number of households in Welwyn Garden City at roughly 22,500. By type: terraced houses 37%, flats and maisonettes 27%, semi-detached houses 23%, detached houses and bungalows 13%. Owner-occupiers: 57%, of whom many own outright (26% of all households). Private renters: 12%. Social renters: 31%. Three bedrooms or more: about 62% of homes.

Figures: Office for National Statistics, Census 2021, Welwyn Garden City built-up area, bedrooms approximate. Percentages rounded.