Question 1

What does a hip-to-gable loft conversion cost on an Edwardian semi in Bromley, BR1?

Accepted Answer

Edwardian semis in the roads around Martin's Hill and the civic centre typically carry hipped roofs with ridge heights well suited to a gable rebuild and rear dormer — the standard hip-to-gable conversion that adds a proper bedroom rather than a cramped attic room. A completed conversion covering the gable reconstruction, dormer structure, new staircase, insulation, plasterboard and one habitable room generally costs between £60,000 and £88,000; an en-suite bathroom adds a further £10,000 to £16,000. Structural engineering fees, Building Regulations and party-wall preparation are priced as distinct line items. PrimeCraft issues the full written breakdown at the end of the site visit with no waiting period.

Question 2

Can I extend at the rear of my BR2 or BR1 house under permitted development, or do I need planning permission?

Accepted Answer

Most residential properties in the suburban streets of BR1 and BR2, outside the town-centre conservation boundary, qualify for rear extensions under permitted development. Terraced and semi-detached houses may add up to three metres single-storey without a planning application; detached houses get four metres as standard. Under the Neighbour Consultation Scheme those limits extend to six and eight metres respectively — notification to Bromley Council rather than a full application. Properties on or near the Bromley High Street conservation area face additional controls covering external appearance regardless of depth. PrimeCraft establishes which regime applies to your exact address on the first visit and submits all required notices before any groundwork starts.

Question 3

How much does a full house renovation typically cost in Bromley (BR1 or BR2)?

Accepted Answer

Combining a rear extension, loft conversion, kitchen refit, bathroom refit, replumb and rewire on a four-bedroom BR1 or BR2 Edwardian semi is a £200,000 to £330,000 project, with the upper end reflecting premium glazing, high-specification finishes and a more complex structural package. A selective update — new kitchen, refitted bathrooms and internal redecoration on the same house without structural additions — typically comes in between £52,000 and £98,000. Boiler replacements and heating upgrades are carried out by a Gas Safe registered partner working under the same contract. The complete written itemised quote is prepared and handed over on the day of the site visit.

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Let's talk through what you're planning.