uPVC Bay and Bow Windows in South London and Surrey

A good bay or bow window changes a room. It pulls in more daylight, opens up the view and often adds a spot for a seat or a plant. Glitz Windows & Doors supplies, installs, repairs and replaces uPVC bay and bow windows for homes across South London and Surrey.

We’re a family-run firm based in Coulsdon with more than 25 years’ experience. Our own team handles everything, from the free survey to the FENSA certificate at the end, so you deal with the people doing the work.

Why Choose uPVC for Bay and Bow Windows?

Bay and bow windows have lots of joints and a lot of glass, which makes material choice matter. uPVC handles it well.

Low maintenance. No sanding, painting or rot. A wipe with soapy water is enough.
Warm and quiet. Multi-chambered frames and sealed units keep heat in and road noise out.
Good value. uPVC is usually the most cost-effective material for a multi-panel window.
Secure. Multi-point locking on the opening sashes, and our installations meet Part Q for security.
Looks that suit your home. Woodgrain finishes, white, grey and more, with Georgian bars if you want a heritage look.

uPVC Double Glazed Bay and Bow Windows

Every bay and bow window is made to measure for your opening, with sealed double glazing as standard. That matters more here than on a flat window, because bay and bow windows have a lot of glass area. Good glazing keeps the room comfortable in winter and stops it overheating in summer.

You can choose which panels open and which stay fixed, add obscure glass for privacy and pick handles and finishes to match your other windows. Efficient glazing also helps you meet Part L of the Building Regulations for thermal performance.

uPVC Bay and Bow Windows Installation

Bay and bow jobs take more care than a standard window swap. There's a roof above, a base below and joints to seal properly. Here is how we do it:

Free survey.

We measure the opening, check the roof, cill and structure and talk through styles and layouts with no pressure.

Written quote.

Itemised, so you can see what you're paying for.

Made to measure.

Your bay or bow is built to your exact dimensions.

Fitting.

We remove the old window, fit the new frame, seal and insulate it and protect your home while we work.

Final checks.

We test each opener, adjust the hardware and show you how it all works.

Certificate and guarantee.

We register the work with FENSA and give you the certificate, plus our 10-year guarantee.

If you're looking for bay and bow window installation near you, we cover Coulsdon, Croydon, Sutton, Caterham, Epsom and Crawley and the surrounding parts of South London and Surrey.

uPVC Bay and Bow Windows Replacement

Older bays often start to show their age around the joints and roof. Look out for:

Draughts around the corner posts

Condensation between the panes

Rotten or bowed frames, especially on timber bays being replaced

Sagging or leaking roof sections

Stiff handles or sashes that won't close properly

If your bay or bow window has started to sag or the seals have failed, replacement is often better value than patching. We'll check the base and roof first, so the new window sits on something sound. A good replacement often improves warmth, security and kerb appeal all at once.

uPVC Bay and Bow Windows Repair

You don’t always need a new window. We can often fix loose handles and locks, worn hinges that make a sash drop, perished seals and misted sealed units, where we fit new glass into your existing frame.

If the frames are cracked or warped or the structure needs attention, we’ll say so plainly and talk through replacement. A repair that only buys you a year isn’t worth paying for.

How Much Do uPVC Bay and Bow Windows Cost?

Bay and bow windows cost more than a single flat window because you’re buying several sashes, corner posts, a base or sill and often a roof section, plus more labour to fit them. There’s no single price, because the cost depends on:

The number of panels and the shape (square bay, splay bay or bow)
The size of your opening
How many sashes open and how many are fixed
Colour and finish (white is usually cheapest)
Glazing choice and any decorative glass
The condition of the existing base and roof

Beware of very low headline prices online. They often cover only the frame and leave out posts, cills, roofing and fitting. After a free survey, you’ll receive an itemised written quote that shows exactly what’s included.

Why Homeowners Choose Glitz Windows & Doors

We’re local and family-run and you speak directly to the team doing the work. Our fitters are FENSA-registered, every installation carries a 10-year guarantee and customers often mention in their Google reviews that we’re tidy, considerate and pressure-free. We also supply doors, conservatories, porches, bifold doors and rooflights, so bigger projects can stay with one company.

What Our Customers Says About Us

uPVC Bay and Bow Windows FAQs

How much do uPVC bay and bow windows cost?

It depends on the shape, size, number of opening sashes and finish, plus the state of the existing base and roof. We give a free survey and an itemised written quote, so you’ll know the full cost before you commit.

How long does installation take?

A typical bay or bow window replacement usually takes one to two days, depending on the size and condition of the opening. We’ll confirm timings at your survey.

Are uPVC bay and bow windows energy efficient?

Yes. Multi-chambered frames and sealed double glazing reduce heat loss, and they can help you meet current Building Regulations for thermal performance.

Can you repair my existing bay or bow window instead of replacing it?

Often, yes. Handles, hinges, seals and misted units can usually be fixed. If the frame or structure is failing, we’ll advise on replacement.

Do I need planning permission or building regulations approval?

Replacing an existing bay is normally covered by FENSA registration, which we handle. Adding a brand-new bay or altering the structure may need approval, so check with your local authority and we’ll advise at your survey.

Do you fit bay and bow windows near me?

We cover Coulsdon, Croydon, Sutton, Caterham, Epsom and Crawley, along with surrounding parts of South London and Surrey. Call to confirm your area.

uPVC Bay and Bow Window Installation, Repairs & Replacement

Need uPVC Bay and Bow Windows Services in South London & Surrey?

Whether you’re installing new uPVC Bay and Bow Windows , replacing old ones or need a repair, our team is here to help.

Other uPVC Window Styles We Offer

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