Full Dormer Conversions
Box, flat-roof or pitched dormers — adding headroom and floor area.
- Bedroom + ensuite layouts
- Steels & floor strengthening
- Building Regs sign-off
Dormer Conversions
Add a Bedroom. Add an Ensuite. Add Value.
Full dormer conversions and loft transformations across Greater Manchester — joinery, roofing, cladding, plastering and finishing.
About Dormer Conversions
Unlock the space you already own.
A dormer conversion turns an under-used loft into a full bedroom, ensuite or master suite — often without planning permission. We handle structural work, roofing, dormer cladding, glazing, insulation, plastering and joinery all under one roof.
A dormer conversion is often the smartest square metre a homeowner can add — you're building into space you already own, without giving up any garden. On most semis and terraces, a rear dormer adds a full double bedroom and ensuite for a fraction of the cost of a rear extension.
We handle everything under one roof: structural steels and floor strengthening, dormer construction, tiling and cladding, insulation to current Building Regs, Velux windows, staircase, plastering, plumbing and electrics. Most rear dormers fall under permitted development — we'll confirm at survey.
Fully Insured
Free Quotes
Quality Materials
Professional Install
10-Year Guarantee
Local Family Team
Dormer Services
Loft to liveable space.
Dormer Cladding & Re-Roof
Transform a tired dormer with new anthracite cladding and a new tile roof.
- Vertical shadow-line cladding
- Anthracite, black or cream
- New tiles & lead work
Loft Conversions
Convert loft space into usable rooms — insulation, flooring, staircases.
- New staircase installation
- Velux roof windows
- Insulated to Building Regs
Velux & Skylight Installation
Add light without the full dormer expense.
- Velux-approved installer
- Black-out and electric options
- Flashing kits for tile or slate
Why Choose Us
Roofers, joiners and finishers — one team.
All Trades In-House
Roofing, joinery, plastering and electrics under one roof.
Velux & Roof Windows
Maximise natural light in any conversion.
Insulated to Regs
Modern insulation keeps the new room warm year-round.
Cladding Finishes
Anthracite, black or cream — vertical or horizontal.
10-Year Guarantee
On the build and the roof covering.
Real Value Added
A dormer can add a full bedroom and ensuite — and significant value.
Materials & Specification
A dormer that lasts as long as the house.
- Structural steels and reinforced joists to engineer's specification
- 150mm PIR insulation between rafters — well above minimum Regs
- Breathable membrane, treated battens and matching tiles or slate
- Vertical shadow-line uPVC or composite cladding — anthracite, black or cream
- GRP fibreglass or single-ply EPDM flat-roof coverings — 20-year guarantee
- Code 4 lead flashing at every abutment
- Velux roof windows — approved installer, full flashing kit
- Full Building Regulations sign-off and 10-year build guarantee
Our Process
From loft to living space in 6–8 weeks.
- Step 01
Feasibility survey
1 hourCheck headroom, roof structure and staircase options — confirm what's possible.
- Step 02
Drawings & Building Regs
3–6 weeksStructural drawings, calcs and Building Regs application — planning if the property is in a conservation area.
- Step 03
Written quotation
Within 2 weeksEvery stage separately — steels, dormer build, cladding, roof, staircase, plumbing, electrics, finish.
- Step 04
Structural stage
Weeks 1–2 of buildFloor strengthening, steels, dormer frame constructed and made weather-tight.
- Step 05
Envelope & first fix
Weeks 3–5Tiling, cladding, Velux, insulation, plumbing, electrics.
- Step 06
Finishing
Weeks 6–8Plaster, flooring, decoration, staircase and ensuite finished — signed off by Building Control.
Gallery
Recent Work
Aftercare
Almost nothing to do.
- Clear the dormer gutter twice a year — small gutter, easily blocked
- Check lead flashing where the dormer meets the main roof every couple of years
- Wipe cladding down with warm soapy water if it ever needs freshening — no chemicals needed
- Velux windows benefit from a wipe of the seal and a spray of silicone once a year
Areas We Cover
Dormer Conversions across Greater Manchester.
Rochdale, Manchester, Oldham, Bury, Bolton, Stockport, Middleton, Prestwich, Ashton-under-Lyne, Heywood, Tameside, Milnrow and every town in between.
FAQs
Frequently Asked Questions
Free Quote · No Obligation
Get a quote for Dormer Conversions.
Tell us about your project and we'll be back in touch — usually the same working day, always within 24 hours.
- Family-run since 1998
- Fully insured (£5m)
- 10-Year Guarantee
- REHAU Authorised · City & Guilds
- Response within 24 hours
Ready To Improve Your Home?
Speak directly with a member of the family-run team.
No call centres, no scripts. Just honest guidance from the people who'll be doing the work.
Response within 24 hours — usually the same working day.
- Family-run since 1998
- Fully insured (£5m)
- 10-Year Guarantee
- REHAU Authorised · City & Guilds
- Response within 24 hours