Georgian terraces, Victorian villas and a conservation area that covers most of the neighbourhood. High-specification refurbishment on buildings where the fabric needs as much thought as the finish.
About 30 minutes from our Kitts End Farm yard
Most of Hampstead sits within conservation area designation, and the village core carries a very high density of listed buildings — Georgian terraces around Church Row, Flask Walk and Well Walk, and substantial Victorian villas across the slopes towards the Heath.
Camden is the planning authority, and permitted development rights are restricted across much of the area. Article 4 Directions apply in places, removing rights that would otherwise cover extensions, roof alterations and window replacement.
Camden operates a specific basement development policy which constrains the depth, footprint and garden extent of below-ground work. Basement projects here need the policy position established before design, not during it.
The building fabric is predominantly solid-wall construction with lime mortars and plasters. A great deal of the damp we're called to investigate in Hampstead houses turns out to be a breathable building sealed by cement render, gypsum plaster or impermeable paint, rather than rising damp.
Hampstead's houses were built to manage moisture by letting it move through the wall and evaporate. Most of the fabric problems we're asked to fix are the result of work that stopped that happening — cement pointing, gypsum plaster on solid walls, plastic paint, or rigid insulation applied directly against masonry.
The approach that works is to keep the walls breathable and put the thermal performance where the fabric can take it: the roof, the floors, the glazing and the services. Lime plaster and lime mortar, mineral or wood-fibre insulation, breathable paint. Slightly lower headline U-values, considerably fewer problems in ten years.
It is slower and more skilled work than a modern build-up, and it needs trades who have done it before. It is also, on a listed building, frequently what consent requires.
In most cases yes. Conservation area designation covers the majority of Hampstead and Article 4 Directions apply in places, so permitted development rights cannot be assumed. Camden is the planning authority. If your property is listed you'll need listed building consent as well, including for internal work.
Frequently not. In solid-wall period property, the far more common causes are failed rainwater goods, raised external ground levels bridging the damp course, cement render trapping moisture in the wall, or condensation from inadequate ventilation. A proper diagnosis costs a survey; injecting a chemical course into a wall with one of those problems fixes nothing.
Camden operates a specific basement policy constraining depth and extent, so it's more restricted than in many boroughs. It's not impossible, but the consent process is substantial and the party wall implications on a terrace are significant. Establish the policy position before commissioning a design.
Yes. Repointing and plaster repairs are matched for colour, aggregate and joint profile — a hard cement pointing in a lime-built wall doesn't just look wrong, it forces moisture and salts into the face of the brick and accelerates decay.
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