Question 1

What extension options suit the double-fronted semis and wide terraces in Primrose Hill (NW1/NW3)?

Accepted Answer

The double-fronted semis and wide terraces in Primrose Hill have real garden depth — often 15–20 m or more — making two-storey rear extensions commercially viable. Single-storey glazed extensions creating open kitchen-dining rooms are the most popular immediate addition. The Chalcot conservation area in NW3 restricts external alterations; most NW1 Primrose Hill streets have Article 4 directions too. TB&D checks the planning position for each address before advising.

Question 2

What are the conservation area rules for windows and doors in Primrose Hill?

Accepted Answer

In the Chalcot and Fitzjohn's Avenue conservation areas (NW1/NW3), original timber sash windows must be retained or replaced like-for-like in timber; uPVC is not acceptable. Original front doors and ironwork also require sympathetic replacement or restoration. TB&D Construction sources conservation-grade timber windows and doors and can liaise with Camden's conservation officer on any consent application.

Question 3

How much does a full house renovation cost on a Primrose Hill townhouse?

Accepted Answer

Full gut renovations on Primrose Hill townhouses (typically 180–280 m²) run £350,000–£600,000 depending on specification and whether basement extension or roof work is included. The conservation-area constraints in NW1 and NW3 add cost and programme length relative to unconstrained London terraces. TB&D provides itemised quotes within 48 hours.

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