Alliance Maintenance Services
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.

Fully Insured
Free Quotes
Quality Materials
Professional Install
10-Year Guarantee
Local Family Team
Dormer Services

Loft to liveable space.

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 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.

Gallery

Recent Work

Dormer cladding and re-roof
Full Dormer Cladding & Re-Roof
Anthracite Dormer Transformation
Black Vertical Cladding — Side Elevation
Anthracite Cladding & New Tile Roof
Dormer Side Profile in Anthracite
Close-Up: Vertical Shadow-Line Cladding
Existing Cream Cladding — Before
White uPVC Cladding & Tiled Roof
FAQs

Frequently Asked Questions

Free Quote

Get a quote for Dormer Conversions.

No pressure, no obligation — just honest advice from a family-run team.

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.