Sealed Tight, Fitted Right™ · Insulation Tape on Brick-to-Brick Installs

Double Glazing Installers in Newham

Southeast Windows Ltd is one of the trusted FENSA-registered double glazing installers in Newham, supplying and installing windows, doors and conservatories since 1999 from our office in Plaistow E13. We cover Newham in full, including Plaistow, Stratford, East Ham, Forest Gate, Manor Park, Canning Town, Custom House, West Ham and Upton Park.

uPVC Casement Windows in Newham

uPVC casement windows are the most popular choice for homes across Newham, from Victorian terraces in Plaistow to the newer developments around Stratford. They offer strong thermal performance, low maintenance and a wide choice of colours and finishes, and every installation is backed by a manufacturer’s guarantee plus an insurance-backed guarantee through IWG.

Composite Doors & Patio Doors in Newham

Composite front and back doors are a popular upgrade for Newham homes, thanks to their security and kerb appeal, and are available in a wide range of panel styles, colours and glazing options. For homes opening onto a garden or balcony, we also supply and fit patio doors, giving you a wide, secure opening while keeping the home well insulated.

Conservatories in Newham

Many Newham homes have a compact rear garden behind a terraced house, and a well-designed conservatory is one of the most effective ways to add living space without the cost of a full extension. We design every conservatory around your property, from a lean-to on a terrace to a Victorian or Edwardian style on a larger plot, all built on a modern insulated conservatory base. For wide openings onto the garden, we also fit bi-fold doors in uPVC or aluminium.

Why Newham Homeowners Choose Us

Insulation tape as standard. On every brick-to-brick installation, we seal the joint between the frame and the brickwork with Passive House-certified insulation tape rather than expanding foam or silicone, which shrink and crack over time and let draughts back in.

BFRC energy rated. Every uPVC window we fit comes with its own BFRC energy rating certificate, so you know exactly how it performs.

No salesmen, one honest price. You deal directly with the people who survey and install your windows. No commission, no pressure and no “was/now” pricing, just one straightforward quote.

Cutting Noise in Newham Homes

Parts of Newham live with more noise than most of London. Homes in Custom House, Canning Town and around the Royal Docks sit close to the London City Airport flight path, while properties near the A13, the North Circular and the railway lines through Stratford and Forest Gate deal with constant traffic and trains. Acoustic glazing, combined with our insulation tape sealing the frame-to-brickwork gap, makes a real difference to how quiet your home feels.

Newham Neighbourhoods We Cover

We install and repair windows and doors right across the borough, including Plaistow (E13), Stratford (E15), East Ham (E6), Forest Gate (E7), Manor Park (E12), Canning Town and Custom House (E16), West Ham and Upton Park. Wherever you are in Newham, we’re only a short drive from our head office on Howards Road.

From Victorian terraces in Forest Gate, East Ham and Plaistow, many with their original bay windows, to post-war houses and newer homes around Stratford and Canning Town, we’ve fitted windows and doors to just about every type of property in the borough.

FAQs: Windows & Doors in Newham

Are you a certified double-glazing installer in Newham?

Yes. We’re FENSA-registered (FENSA 29093), which means every window and door we install is certified to meet current Building Regulations, so you don’t need a separate council sign-off. Every installation also comes with a manufacturer’s guarantee plus an insurance-backed 10-year guarantee through IWG.

Do I need planning permission for new windows or doors in Newham?

Most replacement windows and doors fall under permitted development and don’t need planning permission. The exception applies to listed buildings or properties in a conservation area, where there may be additional restrictions on materials or styles. We’ll check this for your specific address as part of your free survey.

Can you repair an existing composite or uPVC door?

Yes, we carry out repairs when the existing door has dropped or is hard to lock across Newham, as well as full replacement installations, so a sticking door doesn’t always mean a whole new door.

Want to know More?

Call us today for your FREE, no-obligation quotation or fill out our Contact Form! For the most modern, energy-efficient replacement Windows, Doors and Conservatory with a 10-year Insurance Backed Guarantee for complete home Comfort & Designed to Keep You Warm, Safe, & Secure.

Alternatively, call your local number below to arrange an appointment.

East London: 📞 020 8472 4088 (head office)
South London: 📞0203 856 6667
North London: 📞 0203 856 6669
Epping: 📞01992 940 809
Chelmsford: 📞01245 208 058
Romford: 📞 01708 202 457
Great Dunmow: 📞 01371 704 771