Trusted local tradespeople, Sheffield and surrounding areas
Windows, doors and conservatory roofs, fitted properly.
Christal Windows install UPVC and aluminium windows, composite and bifold doors, replacement conservatory roofs, roof lanterns and garden rooms across Sheffield. Free quotes, no pressure, no salesman on your sofa for three hours.
Conservatory roof replacements
From £4,995Swap a cold, noisy roof for a warm one you can use all year.
Bifold and aluminium doors
10% offSlim frames, wide openings, fitted by our own team.
Composite front and back door
£1,375 the pairBoth doors supplied and fitted, colour and glass of your choice.
What we fit
One local team for the whole outside of your house, from a single replacement window to a full conservatory conversion.
UPVC windows
A-rated double and triple glazing in white, anthracite, cream and woodgrain finishes.
Composite doors
Secure, insulated front and back doors with multipoint locking and a huge choice of glass.
Bifold doors
Aluminium and UPVC bifolds that fold right back and open the room to the garden. Currently 10% off.
Conservatories
New builds and full roof replacements that turn a summer-only room into usable space.
Roof lanterns and rooflights
Daylight straight into kitchens, extensions and flat roof rooms without losing wall space.
Garden rooms
A proper insulated room at the bottom of the garden for an office, gym or somewhere quiet.
Fascias, soffits and guttering
Maintenance-free UPVC roofline that stops water running down the brickwork.
Glass and cladding
Misted unit replacements, toughened glass and exterior cladding to smarten up a tired frontage.
Too cold in winter, too hot in July?
That is the old polycarbonate or glass roof, not the room. A replacement insulated roof holds the heat in, cuts the glare and the drumming noise when it rains, and gives you a room the family actually uses in February.
Most roof replacements are done in a few days with no planning application and no building work. Prices start from £4,995 fitted.
Price up my conservatory roof
Recent installations
Real jobs, real houses, all within a short drive of Sheffield. Select any photo to see it larger.
Daylight where you cannot put a window
Kitchen extensions, flat roof rooms and the middle of an open plan space all suffer the same problem: nowhere to put a window. A roof lantern or a flat rooflight brings daylight straight down into the room without giving up a single inch of wall.
We supply and fit both, in white or anthracite aluminium, with self-cleaning solar control glass as standard so the room does not cook in summer.
Ask about roof lanternsWhy people in Sheffield use us
We are a local firm with our own fitters, not a national sales operation that subcontracts your job to whoever is free that week.
You deal with the people doing the work
The person who quotes your job is the person you ring if you have a question halfway through it.
A price on the day, and it stands
No inflated figure, no discount that only lasts if you sign tonight. What we quote is what you pay.
Guaranteed and insurance backed
Frames, glass units and workmanship all covered, with the paperwork to prove it.
Clean, tidy fitting
Dust sheets down, old frames taken away, everything hoovered before we leave.
Whole exterior in one go
Windows, doors, roofline and cladding from one team, so nothing gets missed between trades.
Straight answers
If a repair is the sensible option instead of a replacement, we will tell you that.
How a quote works
Three steps, no obligation at any point.
Tell us what you need
Fill in the short form or ring us. Photos of the current windows or doors help, but they are not essential.
We measure up
A free survey at a time that suits you, usually within a few days. We check the openings and talk through the options.
Fixed written quote
A clear price with nothing hidden. Take your time over it. If you go ahead we book a fitting date that works for you.
What customers say
Genuine reviews left by Christal Windows customers across Sheffield, Worksop, Doncaster, Mansfield and Retford.
★★★★★I would definitely recommend Christal Windows and Home Improvements, they did a fantastic job and they were very professional. We're so pleased with the result, it's transformed the house.
lucytwynhamFascias and guttering, Sheffield
★★★★★Chris and Joe have done a superb job in replacing our conservatory roof. Very professional, clean and tidy, friendly guys.
snoopy_31Conservatory roof, Doncaster
★★★★★Excellent work. Second time Christal Windows have done work for us. Brilliant quality.
nat34Window and door replaced with French doors, Sheffield
★★★★★Top job done by knowledgeable and friendly tradesmen at a very competitive price. They took their time to get the new door fitted perfectly, took the old door and all rubbish away with them and cleaned up after themselves.
ajshep1984PVCu door replaced, Mansfield
★★★★★Very happy with my new doors installed by Christal Windows. Will certainly use again for any future work I may need. Will also recommend them to others with confidence.
poppycat_95UPVC doors, Worksop
★★★★★Fair price, very good job, no mess, excellent finish. Did everything they said they would do when they said they would. No hesitation in recommending to others.
jimchris_48French windows, Retford
Where we work
Based in Sheffield and covering the whole city plus the surrounding towns and villages. If you are not sure whether we reach you, just ask.
- Sheffield
- Hillsborough
- Ecclesall
- Crookes
- Dore and Totley
- Chapeltown
- Stocksbridge
- Handsworth
- Rotherham
- Chesterfield
- Dronfield
- Barnsley
- Hope Valley
- Worksop
Get your free quote
Tell us a little about the job and we will come back to you with a date for a free survey. It takes about a minute.
Rather talk it through?
0114 352 2845 07879 438070Mobile also on WhatsApp, so you can send photos of the job straight over.