Services / Loft Conversions

Loft Conversions

Turn unused loft space into a bright new bedroom, office or bathroom — dormer, hip-to-gable and mansard conversions across Bromley, Orpington and South East London.

Our Work

Loft conversions we've done

A few recent loft projects — from simple rooflight rooms to full mansard suites, all finished to a high standard.

Dormer loft bedroom · Bromley
Hip-to-gable conversion · Orpington
Mansard loft suite · Beckenham
Rooflight home office · Chislehurst
Loft en-suite · Sidcup
L-shaped dormer · Petts Wood

Rough Estimate

Loft conversion cost calculator

Set your loft size, conversion type, finish level and location for a rough indicative cost. For a precise figure, we'll come out and take a proper look.

30 m² · loft bedroom or office

Estimated loft conversion cost band £1,450–1,950/m²

£44,000 – £59,000

Build cost only · rounded to the nearest £1,000

Indicative only — every loft and roof is different. Figures are based on 2026 London loft conversion rates and exclude site-specific factors like access, structural work and roof condition. Contact us for a tailored quote.

Get an exact quote

Get in Touch

Thinking about a loft conversion?

Tell us what you've got in mind. We'll come out, take a proper look and give you a free, no-obligation quote.

Get a Free Quote 07973 413 003