uPVC windows that hold their heat and their looks
The most popular choice for replacement windows, and for good reason — warm, secure, quiet and virtually nothing to maintain.
- Multi-chamber profiles with high-security locking as standard
- White, cream, grey, black and woodgrain finishes
- Fitted by our own team with a 10 year guarantee
East Grinstead showroom · covering Sussex, Surrey and Kent
10/10 on Checkatrade
From 149 verified customer reviews
Certass registered
Fully insured and SafeContractor approved
10 year guarantee
On every product we supply and install
Family run since 2007
Our own fitters — never subcontracted out
Why uPVC
The sensible default for most homes
If you’re replacing tired windows and want the best balance of warmth, security, price and upkeep, uPVC is usually where the conversation starts.
Modern uPVC is nothing like the yellowing, chunky frames people remember. The profiles we fit are fully sculptured, lead-free and internally reinforced, with several sealed chambers running through the frame to slow heat escaping.
It suits almost any property. On a 1970s semi it disappears into the elevation; on a period cottage a cream or woodgrain finish with Georgian bars reads as traditional from the pavement while performing like a modern window.
- No repainting — a wipe down is all it needs
- Excellent thermal performance for the money
- Wide choice of colours inside and out
- Leaded, Georgian, diamond leaded and obscure glass options
Under the surface
What’s inside a uPVC frame
The chambers you can’t see are doing most of the work. Hover a number to see what each part of the section does.
- Multi-chamber profileSealed pockets of air run the length of the frame, so it insulates as well as holding the glass.
- Glazing gasketA continuous seal grips the glass on both faces and stops water tracking into the rebate.
- Sealed double glazed unitTwo panes with a gas-filled cavity, the inner one coated to reflect heat back into the room.
- Warm-edge spacerSeparates the panes and holds the desiccant that keeps the cavity dry and clear.
- Weather sealsCompression gaskets close the gap between frame and sash on every face.
- Steel reinforcementBedded into the main chamber so the frame stays rigid and the locks have something solid to bite into.
A typical uPVC profile. The exact section depends on the system specified for your windows.
Benefits
What you get with uPVC
Warm frames
Multi-chamber profiles trap air inside the frame itself, not just between the panes.
Secure as standard
Multi-point locking and internal reinforcement on every opening window.
No maintenance
No sanding, no repainting, no swelling in the wet. Clean them and forget them.
Colour choice
Heritage colours and woodgrain foils, with different finishes inside and out.
Quieter rooms
Good acoustic performance from the sealed unit and the seals around the sash.
Recyclable
uPVC frames are recyclable at the end of their life rather than going to landfill.
Energy efficiency
What the glass is actually costing you
U-value measures how much heat escapes through a window: the lower the number, the less you lose. This is roughly where each generation of glazing sits.
- Single glazingOne pane, no cavity. Common in properties that have never been upgraded.5.6W/m²KNot rated
- Double glazing from the 1980s–90sTwo panes with an air-filled gap, no coating and an aluminium spacer.3.1W/m²KE
- Modern A-rated double glazingLow-E coated glass, argon-filled cavity and a warm-edge spacer bar.1.4W/m²KA
- Triple glazingThree panes and two coated, gas-filled cavities.0.9W/m²KA++
Typical industry figures for a whole window, shown to illustrate the difference between glazing types. The U-value and energy rating you actually get depend on the frame, the glass and the sealed unit specified for your home — we’ll confirm the figures that apply to your windows with your quote.
Styles
Available in every style we fit
Whatever opening style suits your home, it can be made in uPVC.
Casement Windows
The most common style in the UK — hinged at the side or top, opening outwards on a lever. Simple, secure and suited to almost any property.
Explore casement windows
Flush Casement Windows
The sash sits level with the frame rather than proud of it, giving the clean lines of a traditional timber window with modern performance.
Explore flush casements
Sash Windows
Vertically sliding sashes that keep the proportions of a period home, with modern balances, draught seals and locking built in.
Explore sash windows
Tilt & Turn Windows
Two openings from one handle — tilt inwards for secure background ventilation, or turn fully for cleaning and escape.
Explore tilt & turnBuying online? Our shop is on its way
We’re building an online store so you can order uPVC windows, sealed units and accessories direct. Until it opens, send us your sizes and we’ll price it up.
Questions
uPVC window questions
Can’t see what you need? Call 01342 410079 and we’ll answer it properly.
How long do uPVC windows last?
Do uPVC windows go yellow?
Can I get uPVC windows in a colour other than white?
Are uPVC windows secure?
Can you match my existing windows?
Where we work
uPVC windows in East Grinstead and across Sussex, Surrey and Kent
We’re based on Station Road in East Grinstead, where West Sussex meets Surrey and Kent, and our own team works throughout all three counties.
Towns we cover include
- East Grinstead
- Crawley
- Horley
- Haywards Heath
- Burgess Hill
- Horsham
- Crowborough
- Tunbridge Wells
- Tonbridge
- Sevenoaks
- Redhill
- Reigate
- Caterham
…and the villages in between. If you’re in Sussex, Surrey and Kent, the answer is almost certainly yes.
Free quotations
Get a price for uPVC windows
Free survey at your home, or come and see the range at our East Grinstead showroom.