with Yell

SDG Windows Ltd

Feel safe & Confident with SDG windows

319 Sydenham Rd, London, SE26 5EW Directions

Tel 07533 488224
   Now closed Open Monday 09:00 - 17:00

Why Choose Us?

Quality Workmanship
We Are Specialists
Lowest Prices

Business overview

Double Glazing Installers |Doors, Windows, Porches, sash windows, Conservatries, Aluminium Bi fold, Composite Doors, Patio Doors

Professional and honest,SDG WINDOWS will help you choose the right double glazing windows to suit you and your property. We offer a friendly service with no pressure,most of our work comes from referrals and recommendations, given by happy clients from South London and East London

We are a member of the Glass & Glazing Federation and a FENSA registered window installer

We use German Profile Kommerling which is positioned as No1 in Europe.

SDG WINDOWS aim to provide a quality service in South London & East London with a fast call-out response time.

We are a family run business that have been installing double glazing and conservatories in South & East London for the 15 years & we strongly believe the customer comes first.


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Products & Services

double glazing installers

double glazed windows

window installation

upvc windows

front door installation

folding doors

double glazed porches

sash windows

patio doors


porch doors

window repairs

door repairs

locks repaired

replacement doors

conservatory repairs


glass suppliers

external doors

window companies

aluminium doors


upvc doors

door fitting

casement windows

aluminium windows

Bifold Doors

Double Glazed Porches

Folding Doors


Porch Doors


Aluminium Doors

Double Glazed Windows

Sash Window Repairs

UPVC Doors

UPVC Windows

Sash Windows

Patio Doors

Replacement Windows

Aluminium Windows



  • FENSA Registered (35023)
  • Secured By Design




quick service - good quality window install

Quick response. Friendly installers. Happy with the quality of windows. Good price. Works completed quickly.

Took a star off because the installers seemed to be in a bit of a rush to get the job done when they arrived and we felt like they were not too bothered about finessing the final details. Maybe because it was quite a small job (standard bathroom casement window) But overall very happy with the service.
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Very efficient

Efficient and courteous.
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Fantastic window fitters

SDG windows installed our 2 enormous bedroom windows in November 2020. Vic gave us all options, prices & estimated fitting date. He delivered on everything and even a few days earlier. His team turned up on the date on time, worked through the whole day. They discovered a problem with non-existing frames in the walls so they had to make new wooden frames. They did an amazing job and finished on the same day! Difference it made is absolutely fantastic, we can’t hear any road traffic or street noise. It’s better than we ever hoped and that’s still the case, after almost 7 months. Can’t praise Vic and his team enough and can only highly recommend their company. Professional, polite, competitive price. I would definitely use them again. Thank you so much!!!
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I have recently got the windows and doors of my entire house replaced by them. They are amazing, very professional and do the job to the best of the quality that one can expect. Highly recommend them
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Great new quality windows at very reasonable cost, efficiently and professionally installed

I rarely write online reviews but decided to do so in this case, given the excellent experience with SDG. Vic and all his colleagues were friendly, knowledgeable, professional and efficient throughout, from measuring, quoting and ordering to installation and clear-up. Having discussed available options, I chose UPVC with "wood grain effect" for new windows on the ground floor to replace 2 tired, old UPVC windows and I am so pleased with the results. Installation only took about 3 hours, which was less time than I'd expected, with minimal disruption/noise. The new windows from SDG are a perfect match with the existing wooden windows on the floor above and with those in the adjoining properties on the terrace, enhancing the "kerb appeal" of my flat immensely as a result. SDG's windows are very good value for money and I won't hesitate to use their products and services again when I need to replace other windows in my property. I highly recommend the entire team at SDG!
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