Windows · supply & fit
Windows that look sharp and keep the heat in
From flush casements to authentic sliding sash and slimline aluminium — made to measure, A-rated as standard and fitted by our own team.
Flush Casement · 4 styles
Flush Casement
Our most popular window. The sash sits flush within the frame for a clean, modern line that suits new builds and period homes alike — with A-rated glass as standard.
- ModernClean square edge
- HeritagePeriod-correct
- CottageSmall-pane look
- Coloured26 RAL finishes
Chamfered Casement · 4 styles
Chamfered Casement
A softened, bevelled profile that adds subtle detail. Choose decorative sculptured frames, Georgian astragal bars or dual colours inside and out.
- BevelledSoftened sightline
- SculpturedDecorative profile
- Astragal BarGeorgian look
- Dual ColourInside & out
Sliding Sash · 4 styles
Sliding Sash
The authentic vertical-sliding look of timber sash windows, with none of the upkeep. Mock-sash tilt options make cleaning easy from inside.
- Vertical SliderAuthentic action
- Mock SashTilt for cleaning
- Run-through HornsPeriod detail
- Heritage ColoursSoft palette
Tilt & Turn · 4 options
Tilt & Turn
Tilt in for secure trickle ventilation or turn fully for easy cleaning and safe escape. Ideal for upstairs rooms and tighter openings.
- Inward OpeningEasy cleaning
- Night VentSecure airflow
- Dual ActionTilt or turn
- EgressSafe escape
Aluminium Windows · 4 ranges
Aluminium Windows
Ultra-slim, ultra-strong aluminium frames for maximum daylight. Available in any RAL colour for a sharp, contemporary finish.
- Slim CasementMaximised glass
- Fixed LightsFrameless feel
- Bay & BowPanoramic
- ColouredAny RAL
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.
Window FAQs
Common questions about our windows
Every window comes with A-rated energy-efficient glass as standard, with A+ and A++ upgrades available. The multi-chamber profiles and warm-edge spacers help keep rooms warmer and quieter.
Yes — alongside white we offer woodgrain foils like anthracite grey, black and Irish oak, plus 26 RAL colours, and dual-colour options that differ inside and out.
Most homes are completed in one to two days depending on the number of windows. We protect your floors, fit cleanly and recycle the old units for free.
Yes. Our windows are covered by a 10-year guarantee on the frames and sealed units for total peace of mind.
Reviews
Trusted for windows across South Wales
A few words from recent window customers.
“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
Get a free window quote
Trade prices, free survey and no waste left on site. Tell us what you need and we'll get straight back to you.