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Service · Tecta Conversions

Loft Conversions & Extensions in Orpington & Bromley

Turn unused loft space into a bedroom, office or bathroom. Through our Tecta Conversions division we design and build dormer, hip-to-gable and Velux conversions across Orpington and Bromley — with the roofing done in-house by our own roofers.

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More space, without moving house

Moving is expensive and disruptive. For many Orpington and Bromley homeowners, the simplest way to gain an extra bedroom, home office or en-suite is the space already sitting above their heads — the loft.

Because we're roofers first, a Tecta Conversions loft is built with the roof at the heart of it: dormer cheeks, flashings, insulation and weatherproofing all handled by experienced roofers, so the finished conversion is warm, dry and properly detailed.

Great for

  • Extra bedrooms & guest rooms
  • Home offices & studies
  • En-suites & bathrooms
  • Playrooms & hobby spaces
  • Adding value before selling
  • Growing families staying put

Design & build

From first survey to finished room, managed as one project.

Adds value

One of the most cost-effective ways to add space and value.

Roofing in-house

The roof work done by our own experienced roofers — not subbed out.

Types of loft conversion

Velux / rooflight

Keeps the existing roofline — rooflights added for a bright, cost-effective conversion.

Dormer

A box dormer adds full-height headroom and floor space — the most popular choice.

Hip-to-gable

Extends a sloping hip into a vertical gable, gaining significant internal space.

Mansard

A near-vertical rear roof for maximum space, often used on period and terraced homes.

Loft conversion FAQs

How much does a loft conversion cost, and will it add value? +
Cost depends on the type of conversion, the size of the space and the finish. A well-designed loft conversion is one of the most cost-effective ways to add both living space and value to a home in the Orpington and Bromley area. We provide a detailed quote after an initial survey.
Do I need planning permission for a loft conversion? +
Many loft conversions fall under permitted development, but dormers, larger volumes and conservation-area properties can need planning permission. Building Regulations approval is always required. We guide you through what's needed for your property.
What types of loft conversion are available? +
The main types are Velux (rooflight) conversions, dormer conversions, hip-to-gable, and mansard. The right choice depends on your roof shape, the headroom available and your budget — we'll advise on the best option.
Who does the roofing on the conversion? +
We do. Because Tecta Roofing carries out the roofing in-house, the new roof, dormer cheeks, flashings and weatherproofing are all done by experienced roofers — not subcontracted out.
How long does a loft conversion take? +
Most loft conversions take in the region of 6–10 weeks depending on type and complexity. We agree a programme with you before work begins.

Local roofing areas we cover

We carry out this service across Orpington, Bromley and the surrounding Kent & South East London towns.

Roofers in Orpington Roofers in Bromley Roofers in Chislehurst Roofers in Petts Wood Roofers in Sidcup Roofers in Beckenham Roofers in St Mary Cray Roofers in Bickley All areas we cover

Thinking about a loft conversion?

Book an initial survey and quote with Tecta Conversions — roofing and conversion under one roof.

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