I have worked with James and his team for many years. The works are always done to an impeccable standard and the communication throughout is perfect. Would definitely recommend.

window installation in Bath
Windows & Doors Bath
UPVC, aluminium, and timber window and door installation across Bath (BA1 and BA2) and the surrounding villages. Full supply and fit, building regs sign-off, FENSA-registered.
- 22 years in the trade
- MCIOB chartered
- £10M+ public liability
- Written workmanship guarantee
Windows installer in Bath for UPVC, aluminium and timber — tilt and turn, casement, sash, bay and bow, bifold and patio doors. Bespoke windows Bath homes actually need (conservation sashes included), FENSA-registered supply and fit with building regs sign-off in the quote. A 5-window replacement takes 1–2 days; a full house 3–5 days. Fixed price, one crew.

What We Do
The window installation work we take on across Bath — every project, every property type.
UPVC window supply and installation
Aluminium window supply and installation
Timber window supply and installation
Bifold door installation
Patio door installation
Front door and back door installation
Fascia, soffit, and guttering replacement
Window and door repairs (broken hinges, locks, seals)
Signs you need window installation
If any of these sound like your property, it's worth booking a free site visit.
Sales reps quoting per window without seeing the openings — we survey then quote
Non-FENSA installers leaving you no certificate at completion
Tilt-and-turn hardware specced cheap — we fit tested, warranted systems
Bay and bow installations without structural checks
Listed buildings given the wrong glazing — sash repairs and slimline units where consented
Seals and trims rushed — the detail is the difference at handover
Why Choose Windows & Doors
We've completed hundreds of window installation projects across Bath. Here's what makes them last.
UPVC, aluminium and timber — supplied and fitted by FENSA-registered installers
Tilt-and-turn, casement, sash, bay-and-bow, bifold and patio systems
Typical 5-window replacement: 1–2 days; full house (10–15 windows): 3–5 days
Building regs sign-off and FENSA certification included
Bespoke windows made to opening — no forcing standard sizes
Repairs as well as replacement — hinges, locks, seals, misted units
Fascia, soffit and guttering replacement within the same visit
Our Process
Every window installation project follows the same 8-12 step process. Here's what to expect from your free site visit to your 12-month aftercare check.
01Free site visit & consultation
James visits your the installation property to scope the work, discuss options, and assess constraints — listed status, party walls, ground conditions. No charge, no obligation.
02Fixed-price itemised quote
You receive a fully itemised quote — materials, labour, waste removal, sign-off fees all broken down. What we quote is what you pay.
03Scheduling & preparation
We agree start dates and working hours, order materials, arrange skips and scaffolding where needed, and protect your home with dust sheets and floor coverings.
04your windows and doors works begin
The crew carries out the work to the agreed spec. Daily tidy-ups and protected access routes — your home stays liveable.
05Structural & building control sign-off
Where the work is structural, Building Control inspects at the required stages and you receive full certification on completion.
06Quality check with James
James walks the finished work with you. Any snags are dealt with immediately — we only sign off when you are fully satisfied.
07Handover & documentation
You get certificates, warranties and any FENSA/Building Control paperwork, plus guidance on caring for the new work.
08Aftercare
If anything needs attention later, we come back. Our reputation in Bath is built on long-term relationships, not one-off jobs.
window installation Reviews
Verified customer reviews from our window installation installations across Bath.
We had Aspect Builds build an extension for us and we are absolutely delighted with the finished result. From start to finish the team were professional, reliable and a pleasure to have on site. The quality of the build is excellent, everything was kept tidy, and they kept us fully informed throughout. Great communication, fair pricing and a first-class finish. We wouldn't hesitate to recommend Aspect Builds to anyone considering an extension or any other building work.
Older property, kitchen with apex ceiling. Very pleased with the professional finish, friendly team. I was asked before painting commenced what I would like. All surfaces fully protected and covered, no mess left. Impressed with the high standard. Kitchen looks exactly how I wanted it to look with the desired finish.
Frequently Asked Questions
Everything you need to know about our window installation service.
How much do new windows cost in Bath?
Costs vary widely depending on the number of windows, frame material (UPVC, aluminium, timber), glazing type (double or triple), and installation complexity. We give you a fixed-price quote after a free site visit, so you know the exact cost before any work starts in your Bath home. No day rates, no open-ended estimates.
How long does window installation take in Bath?
A typical 5-window replacement takes 1-2 days. A full-house window replacement (10-15 windows) takes 3-5 days. We work in phases to minimise disruption to your Bath home.
Do you handle building regulations for windows in Bath?
Yes — building regulations sign-off is included in every fixed-price quote. New or replacement windows over certain sizes need FENSA or building control sign-off. We handle the paperwork and inspection.
Can you install bifold doors in Bath?
Yes — bifold door installation is a core part of our work. UPVC, aluminium, timber — all options. We handle the structural opening, lintel installation, and the bifold door fitting.
Can you replace doors on listed buildings in Bath?
Yes — heritage and listed-building door work is what we do. Timber doors, period-appropriate ironmongery, conservation-officer liaison. Work that respects the building's heritage and meets Bath conservation requirements.
Do you supply the windows or can I use my own?
Both work. We're trade-account holders at major UK window suppliers, so we can supply and pass through the discount. Or you can buy from wherever you like — we'll install them for the same labour price.
What if I change my mind about window style during the build?
We re-quote before proceeding. The fixed-price contract is clear: any change is documented, priced, and approved by you before we do the work. No surprise extras at the end.
Are you insured and qualified to do window work in Bath?
£10M+ public liability (AXA-verified). CSCS cardholders, FENSA-registered, City & Guilds / NVQ qualified. James is MCIOB chartered through the Chartered Institute of Building. All documentation on request.
Property in Bath? See window installation in Bath, where most of the work is Georgian and lime-compatible.
Windows & Doors Across Bath & BANES
All 28 Bath & BANES areas — Bath city neighbourhoods and the wider market towns we cover.
Bath City12 areas
Bath Surrounding Villages6 areas
West Wiltshire6 areas
Somer Valley4 areas
Free site visits across Bath & BANES. Properties outside our standard coverage area can be quoted by arrangement. Listed building consent, conservation area consent and Building Control notification are handled on your behalf where required.



