Double glazing installers in Southampton – Double Glazing Windows UK

Aluminium Windows Ltd supply high quality aluminium windows and doors to homeowners as well as the trade. View all of our aluminium products online today.

Windows & Doors

Request quote View profile

Sykes Southern Glass Ltd

◆ Southampton · SO18 1BZ

Discover the perfect double glazing windows and doors for your home or business. Our comprehensive directory showcases a wide range of products and…

Glass & Mirror

Request quote View profile

Window Store Plastics

◆ Hedge End · SO30 2JW

Discover the perfect double glazing windows and doors for your home or business. Our comprehensive directory showcases a wide range of products and…

Glass & Mirror Hardware & Plastics Windows & Doors

Request quote View profile

Aztec Fascias Limited

◆ Southampton · SO40 8JS

Aztec Fascias Southampton - trusted installers of replacement UPVC Fascias, Soffits, Guttering, Windows, Doors and Flat roofs. Get a free quote today.

Glass & Mirror Gutters & Fascias Roofing Windows & Doors

Request quote View profile

C J R Glass & Glazing Ltd

◆ Southampton · SO14 0SP

Discover the perfect double glazing windows and doors for your home or business. Our comprehensive directory showcases a wide range of products and…

Glass & Mirror Windows & Doors

Request quote View profile

Just Home Improvements Ltd

◆ Park Gate · SO31 6LD

As a small, well established local company based in Locks Heath, Southampton we can give our customers everything a national company can offer and more.

Glass & Mirror Renovation & Refurb Windows & Doors

Request quote View profile

All Seasons Southern Ltd

◆ Southampton · SO14 0SQ

Bifold doors Southampton. We are suppliers of high quality aluminium Bi-Fold doors to trade. Based in Southampton, serving the South Coast.

Glass & Mirror Windows & Doors

Request quote View profile

Double glazing in Southampton: what to know

Replacement windows and doors in England must meet the Building Regulations — a U-value of 1.4 W/m²K or a Window Energy Rating of band B, and no worse than the units they replace. A FENSA- or CERTASS-registered installer can self-certify that compliance and register the work, so you get a certificate without arranging building control separately.

When comparing firms in Southampton, check the accreditations each one holds, make sure quotes are like-for-like on frame material and glass specification, and get at least three before you decide. Every listing here is an independent local business, so your enquiry goes straight to the firm.

Double glazing in Southampton — common questions

How much does double glazing cost in Southampton?

As a rough guide, a replacement uPVC casement window is typically around £400–£650 fitted, and a full-house replacement often falls between £4,000 and £8,000 depending on the number of windows, the glass specification and the frame style. Prices vary between firms, so it is worth comparing at least three quotes from installers in Southampton.

Are double glazing installers in Southampton FENSA registered?

Many are. Replacement windows and doors must meet Building Regulations, and a FENSA- or CERTASS-registered installer can self-certify the work and register it for you — so you receive a compliance certificate without arranging building control separately. Each listing shows the accreditations that firm holds.

Do I need building regulations approval for new windows in Southampton?

Replacement windows must meet the Building Regulations, but you usually do not need a separate building control application — a FENSA- or CERTASS-registered installer self-certifies the work. In England the windows must not exceed a U-value of 1.4 W/m²K (or achieve at least a WER band B) and must be no worse than the ones they replace.

How many double glazing installers are listed in Southampton?

We currently list 75 in Southampton. You can compare them above by the services they offer and the accreditations they hold.

How do I get quotes from installers in Southampton?

Use the quote form on this page — enter your postcode and what you need, and we will pass it to matched local installers. It is free and there is no obligation to proceed.