Sash window installation

At Matt the Sash, we provide high-quality window installation with a focus on long-term performance, detail, and correct fitting.

While we always prioritise repair over replacement where possible, some windows are beyond economical repair. In those cases, a properly installed new window is the right solution. We offer careful, professional installation to ensure new windows perform exactly as they should for decades to come.

All installations are carried out with the same attention to detail as our repair and restoration work, ensuring clean finishes, correct alignment, and minimal disruption to your home.

Our approach to window installation

Installing a window properly is just as important as the window itself. Poor installation leads to drafts, sticking sashes, water ingress, and long-term issues.

We focus on:

Accurate removal of existing units
Careful preparation of openings
Correct fitting and alignment
Proper sealing and weatherproofing
Clean, tidy finishes

Every installation is treated as a craft job, not a production line.

New sash window installation

We install new sash windows supplied by trusted manufacturers. This includes:

Timber sash windows
Like-for-like replacements
Full sash window replacements where repair is not viable

We’re happy to advise on the most suitable option for your property and budget, and to work alongside your chosen supplier where required.

Repair where possible, replace where necessary

We won’t recommend replacement unless it’s genuinely the right option.

If your existing windows can be repaired, refurbished, or improved, we’ll tell you. If replacement is the better long-term solution, we’ll explain why — clearly and honestly.

FAQ

Do you recommend repair or replacement?

Wherever possible, we recommend repair over replacement. However, if windows are beyond economical repair or have structural issues, replacement may be the most sensible long-term option. We’ll always give an honest assessment.

Do you manufacture the windows?

No. We specialise in installation, repair, and restoration. New windows are supplied by specialist manufacturers and installed by us to a high standard.

Can you install windows supplied by another company?

Yes. We regularly install windows supplied by third-party manufacturers or companies. We’re happy to work with your chosen supplier.

What types of windows do you install?

We primarily install:

Timber sash windows
Like-for-like sash replacements
Full sash window replacements

If you’re unsure whether your project is suitable, just ask.

Are the installations shown on your website your work?

Yes. Images shown represent installation work carried out by Matt, including work completed prior to trading as Matt the Sash. Where relevant, this is clearly stated on the website.

How long does a window installation take?

This depends on the type of window and the condition of the opening. A straightforward replacement is often completed within a day, but we’ll give clear timescales before starting.

Will there be much disruption?

We work carefully and cleanly to minimise disruption. Dust protection is used where needed, and the area is left tidy at the end of each day.

Do you offer guarantees?

Manufacturer guarantees apply to the windows supplied. Our installation work is carried out to a professional standard, and we’re always available to address any issues following installation.

Can you assess my existing windows before replacing them?

Absolutely. We’re happy to inspect existing windows and advise whether repair, refurbishment, or replacement is the best option.