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CERTASS Registered — Manchester's Trusted Installer

Manchester's Premier Window & Door Specialists

Premium PVC & Aluminium windows, doors, conservatories and commercial shopfronts — designed, manufactured and installed to the highest standards across Greater Manchester.

CERTASS Registered
Comprehensive Guarantee
Free Survey
A-Rated Energy Efficient
25+
Years Experience
15,000+
Installations Complete
98%
Customer Satisfaction
10 Yr
Installation Guarantee
What We Offer

Our Product Range

From energy-efficient windows to elegant bi-fold doors, we manufacture and install high-performance products tailored to your home or business.

uPVC & Aluminium

Windows

Casement, sash, tilt & turn and bay windows in A-rated energy-efficient frames.

Explore Windows
uPVC & Aluminium

Doors

Composite, French, bi-fold and patio doors — beautifully designed, supremely secure.

Explore Doors
Bespoke

Conservatories

Victorian, Edwardian, lean-to and orangery designs to extend your living space.

Explore Conservatories
Commercial

Shopfronts

Aluminium shopfronts, curtain walling and commercial glazing for Manchester businesses.

Explore Shopfronts
Why Choose Absolute

The Absolute Difference

We're not just an installer — we're a manufacturer. That means tighter quality control, faster lead times, and competitive prices — all backed by our comprehensive guarantee.

CERTASS Registered

Every installation is fully certified through CERTASS, the leading competent person scheme, giving you a government-backed certificate of compliance.

A-Rated Energy Efficiency

Our window and door systems are independently tested and rated A for energy efficiency, helping reduce your heating bills and carbon footprint.

Our Guarantee

We stand behind every product we install: 10 years on the uPVC and aluminium frames, 5 years on sealed glass units and 2 years on hardware — backed by our CERTASS Insurance-Backed Guarantee.

Manufactured In-House

Unlike many installers, we manufacture our own products in our Manchester facility. No middlemen — just quality-controlled products made to your specification.

Locally Based in Manchester

We're a Manchester business serving Manchester. Our team knows the area, understands local planning requirements and is always close at hand.

Free No-Obligation Survey

Our expert consultants will visit your home or premises, take accurate measurements and provide a detailed quote — completely free of charge.

Our Accreditation

CERTASS Registered Installer

  • All installations certified to current UK Building Regulations
  • Government-backed certificate of compliance issued for every job
  • Fully vetted and audited installation teams
  • Thermal performance tested and verified
  • Consumer protection and deposit protection
Learn More About Us
Our Work

Recent Projects

Take a look at some of our latest installations across Greater Manchester. Every project is completed to the same exacting standard.

View Full Gallery
Customer Reviews

What Our Customers Say

Don't just take our word for it — here's what Manchester homeowners and businesses say about us.

"Absolute Window Co replaced all 12 windows in our 1930s semi in Didsbury. The team were professional, tidy and finished ahead of schedule. The A-rated windows have made a noticeable difference to our heating bills. Wouldn't hesitate to recommend."
SH
Sarah H. Didsbury, Manchester
"Had bi-fold doors installed to open our kitchen onto the garden. Absolute were the most competitive quote we received and the quality is superb. The CERTASS certificate gave us peace of mind for the building regs side of things."
MR
Mark R. Altrincham, Manchester
"We used Absolute for a commercial shopfront installation for our new premises on the high street. Fast turnaround, clean work and a great end result. They understood exactly what we needed and delivered on time and on budget."
LB
Liam B. Chorlton, Manchester
Our Partners

Trusted Supplier Brands

We use only industry-leading profile systems and roofing solutions — giving you confidence in the quality, performance and longevity of every installation.

Eurocell Eurologik

Our PVC window and door profile of choice. The Eurologik system delivers outstanding thermal performance, a sleek modern aesthetic and is available in a wide range of colours and woodgrain foils.

  • PVC Windows
  • PVC Doors

Sheerline Aluminium

Our premium aluminium system for domestic installations. Sheerline delivers elegant slim sightlines, exceptional thermal performance and a wide choice of colours for a truly contemporary finish.

  • Aluminium Windows
  • Aluminium Doors
  • Roof Lanterns

Exlabesa

Industry-leading aluminium systems for commercial shopfronts and entrance doors. Exlabesa profiles offer robust performance, thermally broken frames and the full RAL colour palette.

  • Shopfronts
  • Commercial Doors

Eurocell Conservatory Roofs

Glass and polycarbonate conservatory roofing systems engineered for maximum light transmission, thermal efficiency and long-term durability in all weather conditions.

  • Glass Roofs
  • Polycarbonate Roofs

Supalite Tiled Roof System

The UK's leading lightweight tiled conservatory roof. Supalite transforms conservatories into year-round living spaces with superior insulation and a choice of tile finishes.

  • Tiled Roofs
  • Conservatories
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Service Areas

Areas We Cover

Based in Worsley, we install windows, doors and conservatories across Greater Manchester.

Manchester

Salford

Bolton

Rochdale

Bury

Oldham

Stockport

Trafford

Wigan

Tameside

Leigh

Ready to Transform Your Home?

Book a free, no-obligation survey with one of our expert consultants. We'll visit at a time that suits you and provide a full, transparent quote.

CERTASS Registered Installer
Checkatrade Approved Trader
TrustMark Certified
IWA Member
FMB Member
A-Rated Energy Efficient Products
10-Year Installation Guarantee