Windows & doors · Swansea
Double glazing in Swansea, at trade prices
A-rated UPVC windows, composite doors and bi-folds supplied and fitted across Swansea — honest pricing, our own fitters and no waste left on site.

Local installer in Swansea
Trusted for double glazing Swansea
From the city centre to Mumbles, Sketty and Morriston, we install energy-efficient double glazing that keeps Swansea homes warmer, quieter and more secure. Whether you're updating a Victorian terrace or a modern semi, we'll match the right window and door styles to your property.
Because we work at trade prices and fit everything ourselves, Swansea homeowners get national-firm quality without the national-firm mark-up — backed by a 10-year guarantee.
Areas we cover around Swansea
- Mumbles
- Sketty
- Morriston
- Gowerton
- Killay
- Gorseinon
Not listed? We cover the wider area too — give us a call.
Our range
What we supply & fit in Swansea
Windows, doors, conservatories and repairs — all at trade prices for Swansea homeowners.
Why Bully Windows
Trade prices, but for the people
We started Bully Windows to give homeowners the same prices the trade gets — with the honest, tidy service the big firms forgot.
Trade prices for everyone
We buy well and pass it on. The same quality the trade gets, without the middleman markup.
Supplied and fitted
One team from survey to fit. No subcontractors, no finger-pointing if something needs sorting.
Free survey & quote
We measure up, talk options and give you a clear written quote with no obligation.
Free recycling, no mess
Your old windows and doors are recycled for free and we leave the site clean.
Reviews
What Swansea customers say
Recent feedback from homeowners in and around Swansea.
“Quoted less than half what a national firm wanted and the windows are spot on. Lads turned up on time and left the place spotless.”
Rhian M.
Neath · 8 casement windows
“New composite front door looks brilliant and the house is so much warmer. Honest pricing and no hard sell — exactly what they promise.”
Gareth P.
Swansea · Composite front door
“Had bi-folds fitted onto the extension. Smooth as anything and the quote beat everyone else. Recommended them to my brother already.”
Llinos D.
Port Talbot · 4-panel bi-fold doors
“They sorted the misted units in three windows the same week I called. Friendly, fair and tidy. Will use again.”
Kevin J.
Bridgend · Misted glass repairs
“Tidy job from start to finish. The 10% for paying early was a nice touch and saved us a good bit.”
Sioned T.
Merthyr Tydfil · Full house of windows
“Turned our freezing conservatory into a room we actually use with a new warm roof. Proper job and a fair price.”
David & Anne
Neath · Conservatory roof replacement
How it works
From first call to finished job
A simple, honest process with no surprises and no waste left behind.
- 01
Free survey
We visit, measure accurately and talk through styles, glass and colours that suit your home and budget.
- 02
Clear written quote
A no-pressure quote with everything itemised. Pay within 14 days and take 10% off.
- 03
Made to measure
Your windows and doors are manufactured to the exact survey sizes with A-rated glass as standard.
- 04
Fitted & finished
Our own fitters install, seal and tidy up — recycling the old units and leaving no waste behind.
Always-on offers
More reasons to choose Bully Windows
No gimmicks or time-limited pressure — these deals are on every job, every day.
Recommend a friend
Refer someone who buys from us and you both get £250 — £250 cash to you, £250 off for them.
Pay within 14 days, save 10%
Settle your invoice within 14 days of receiving the quote and take 10% off.
Won't be beaten on price
Trade prices for everyone. Find it cheaper and we'll match it.
Free recycling, no mess
We recycle your old windows and doors for free and leave no waste on site.
Swansea FAQs
Double glazing in Swansea — your questions
Yes — we install across Swansea and the surrounding areas including Mumbles, Sketty, Morriston, Gowerton and Gorseinon. If you're nearby and unsure, just ask.
It depends on the number of windows, styles and glass, but our trade-level pricing means we're consistently competitive — and we won't be beaten on a like-for-like quote. We'll give you a clear written price after a free survey.
Absolutely. Alongside windows we supply and fit composite front doors, bi-folds, UPVC and patio doors right across Swansea.
Get your free Swansea quote
Tell us what you need and we'll send an honest, trade-level quote for your Swansea home — no pressure, no waste left on site.





