Builders in Primrose Hill, NW1

Primrose Hill is a compact and remarkably intact district of mid-Victorian terraces, mostly stucco-fronted at lower level with brick above, arranged on a tight grid of narrow streets around the park. Nearly all of it is conservation area, permitted development rights are restricted, and the consistency of the streetscape means external alterations are assessed against the terrace as a whole rather than the individual house.

The standard commission is a full renovation of a four-storey terraced house, with the lower ground floor reworked into the principal living space and opened to the rear garden. Side return infills and rear extensions are common where consent allows, and loft conversions appear regularly, though roof alterations visible from the street are tightly controlled in a uniform terrace.

Party wall obligations apply on both sides of almost every property here. Cutting in for steel, underpinning, lowering a lower ground floor slab or excavating for new foundations all require notice, and in a mid-terrace that means two neighbours, two surveyors and a schedule of condition recorded before work starts. Building that process into the programme early is what prevents a start date slipping by months.

Access is the practical difficulty. The streets are narrow, largely residents-parked and often too tight for a full-size lorry to stand, so materials come in small loads and waste leaves continuously. There is no site compound on a Primrose Hill terrace — the pavement and a bay suspension are the whole of it, and the programme has to be written accordingly.