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Ruislip Windows' blog
Ruislip Windows and Doors Ltd. Installers of double glazed windows, doors and conservatories.


Take the first step towards a more energy efficient home with our advanced range of uPVC and aluminium replacement windows.

  • We only install top quality products from trusted names, such as Kommerling, Aluk, Eco Sliders, Sapa Crown, Residence 9 and Reynaers.
  • Most products are now available in a selection of colours and woodgrain effect foils for a more authentic look.
  • Thermal efficiency with all products achieving at least a A rating.
  • Latest flush profiles including Deceuninck Heritage Flush and Rehau Rio Flush.
  • Our Residence Collection maintains the look and feel of traditional wood but with all the benefits of modern cutting edge materials.

Advances in the development of window systems and attention to detail now means that the ability to retain the character of your property is now much easier to achieve than it ever was previously. Period properties from Victorian cottages to Georgian terraces can now enjoy the benefits of modern replacement windows that are hard to differentiate from the originals. Take a look at our range of windows below and discover how we can enhance your home from the outside in.

Ruislip Windows' Installations
Ruislip Windows' Installations
Ruislip Windows' Installations
Ruislip Windows' Installations
Ruislip Windows' Installations
Ruislip Windows' Installations
Ruislip Windows' Installations
Ruislip Windows' Installations
Kommerling uPVC Windows


Our standard uPVC windows are the highly regarded Kommerling C70 and O70 industry leader Kommerling. The C70 has a chamfered glazing bead and the O70 has an ovolo bead. These are smart looking energy efficient windows that benefit from a top specification:

  • 70mm frame depth;
  • 5 chambered for better thermal performance;
  • Steel reinforced profiles;
  • Slim sightlines with a lowline grey gasket;
  • Chamfered or ovolo glazing beads;
  • Wide range of colours - 44 woodgrain and coloured finishes;
  • High security multi-point locking and shoot bolts;
  • Internal beading for enhanced security;
  • High impact, colourfast and lead-free uPVC profiles that are better for the environment.


We install the ECOSlide uPVC sash window, a thermally efficient, environmentally friendly high security window that mimics the charm of a classic timber box sash. All the benefits of a modern uPVC system gives you the best of both worlds. Our ECOSlide sash windows are an authentic looking, cost-effective low maintenance solution for your home.

  • uPVC box sashes that look like traditional wood;
  • Attention to detail - sash horns, external Georgian bars, traditional styled hardware;
  • Inward opening tilt facility allows easy cleaning of the outside frame and glass from inside;
  • Arched and swept head style available;
  • 8 coloured finishes as standard or have your windows sprayed to any RAL colour;
EcoSlide Box Sash Windows
Aluminium windows in black



We offer a choice of either the renowned Sapa Crown or Aluk windows. Well known for their superior strength and slim sightlines..our ali windows are available in a wide choice of colours, including dual colours. Our systems are fully weather stripped to achieve the highest levels of weather performance and all profiles incorporate polyamide thermal barriers to meet the latest requirements for U values and window energy ratings.

  • Virtually maintenance free;
  • Wide choice of colour options including dual colour;
  • Security designed into system and hardware options;
  • Wide range of framing shapes to suit all styles of homes.
  • Able to meet many design styles that uPVC windows cannot.


The Residence Collection is our luxury premium window system designed to replicate the flush timber casement window. Replace your windows with an authentic design and in heritage colours, without losing the character appearance and feel of the period;

  • Can be considered for Conservation Areas due to its authentic appearance;
  • Virtually maintenance free, no more painting or staining;
  • Working or dummy butt hinges;
  • Traditional handles and peg stays;
  • 45º welds to replicate traditional timber;
  • Ovolo putty external Georgian bars;
  • Unbeatable performance accommodating the most thermally and acoustically efficient 44mm triple glazing and 28mm double glazing,
Residence 9 Luxury Windows


Secondary glazing has stood the test of time and remains one of the best forms of insulation for homes, offices, public and private sector buildings against heat loss, draughts and noise intrusion. All windows in our range are aesthetically designed to integrate seamlessly with your existing décor and are available in a full range of colours.

  • Up to 45dB reduction in sound through your windows, depending on glass choice,
  • Draught free,
  • Low E glass available to help reduce heat loss,
  • Reduced energy consumption in winter and summer
  • Keeps cool air in when using air conditioning,
  • Option of additional screens to keep insects out,
  • Preserve your existing original windows - ideal for traditional stained glass and leads.
Secondary Glazing


Heritage Flush Sash windows from Deceuninck look great in any surrounding, from modern townhouse to country cottage. Flush external contours are in  keeping with period properties and also meet the requirements of most conservation area officers.

They will retain their elegance while still functioning as a high quality window for many years to come. 

  • Sleek slimline frames.
  • Traditional style dummy peg stay option.
  • Mechanical or welded transom/mullion joints.
  • Traditional ironmongery & Georgian bar options.
  • High energy rating and weather performance.
  • Enhanced security PAS 24 approved.
  • Double or triple glazing available.
  • Available in a range of hand-picked Heritage woodgrain finishes.
  • Super efficient rated A+.


Replacing your windows can change the visual appearance of your home considerably. Long gone are the days (thankfully) when it was commonplace to rip out original windows and replace them with either uPVC or aluminium designs that were totally without keeping with the character and feel of the property. Now, with all the latest Building Regulations and Conservation Area Guidelines we generally think much more carefully about our choice of window, taking into account not only the aesthetics of the product in relation to the property but the environmental factors too.


And a friendly, personalised service

With over 30 years' experience within the industry and an enviable in-depth technical knowledge, John is always happy to offer advice on your choice of windows, taking into account style, design and of course the all important budget.

For more information about the installation process from start to finish, we recommend reading our Buyer's Guide and our FAQs page to get you started. Please feel free to contact us at any time and arrange your free no obligation quotation. We don't engage in any hard sell tactics, nor will we put you under any pressure to purchase or attempt to sign you up with a last minute must-have "special offer." That's the Ruislip Windows' Promise you can count on.

Installers of Sapa Crown, Kommerling, AluK, EcoSlide, Reynaers, Rehau, Hurst, Fensa and Certass registered.


Ruislip Windows and Doors Ltd

218 Field End Road, Eastcote, Middlesex, HA5 1RD.

Tel: (020) 8868 1133   Email:

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Registered in England: 03054680

Fensa: 15058:   Certass: TRR14010

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