Loft conversions · Abergavenny

Loft conversions in Abergavenny

Homeowners in Abergavenny can get loft conversions from one company: the design, the paperwork and the building work sit with us rather than with three separate firms.

Covering Abergavenny

Alongside Abergavenny, we also cover Pontypool, Ebbw Vale (9 miles to the west) and Cwmbran.

Homes in Gwent

Across Wales you find valley terraces, coastal towns, rural stone houses and newer estates, so access, slopes and local materials all feature in the design.

What do you get with a loft conversion?

We start with the head height. You need roughly 2.2 m or more from the top of the ceiling joists to the underside of the ridge for a conversion to work without raising the roof. From there we design the staircase position, the type of conversion and the en-suite, and manage the whole build including fire safety and building control.

  • Design drawings and structural calculations
  • New floor joists, steels and staircase
  • Dormer or rooflights, insulation and plasterboard

How much should I budget for a loft conversion?

Typical ranges for loft conversions. Ground conditions, access and specification move the final figure, which we fix in writing before work starts.

Loft conversionsGuide price incl. VAT
Rooflight conversion£30,000 to £45,000
Dormer conversion£50,000 to £90,000
Hip-to-gable with dormer£60,000 to £95,000
Mansard conversion£65,000 to £110,000

Planning and building rules in Abergavenny

In Wales the planning rules, including what counts as permitted development, are set by the Welsh Government, and Welsh building regulations differ in places from England’s. We check both against your house before drawings are finalised, and handle party wall notices where needed.

Wales has its own loft and roof permitted development rules. Rear dormers within set volume limits are often allowed, but the detail differs from England's, so we confirm the current Welsh limits against your roof before the design is fixed.

What should I think about before starting?

  • Head height under the ridge decides whether a conversion is practical.
  • The new staircase usually takes space from the landing or a bedroom below.

What happens after I enquire?

  1. Send us the details. Give us a postcode, a rough idea of size and some photos, by phone, form or the guide price tool.
  2. Survey at your house. We look at the existing structure, services and access, and agree what the design needs to achieve.
  3. Drawings, approvals, written quote. We prepare the design, apply for the approvals it needs, and give you a fixed price in writing.
  4. Construction and completion. One site lead co-ordinates every trade through to the building control certificate.

Questions about a loft conversion in Abergavenny

How much does a loft conversion cost?

Roughly £30,000 to £45,000 for a rooflight conversion, £50,000 to £90,000 for a dormer, £60,000 to £95,000 for a hip-to-gable and £65,000 to £110,000 for a mansard, including VAT.

How long does a loft conversion take?

Usually 6 to 14 weeks on site depending on the type.

Can you visit a house in Abergavenny to quote?

Yes. After a short call we arrange a site visit to measure up and agree what the design needs to do, then send a written price.

Other towns nearby

Learn more about loft conversions, or see every project we cover in Abergavenny.

Planning an extension, loft or new home?

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