UPDATE: We have moved to bigger, better offices with showroom facilities in Watford! Our Eastcote office is still open by appointment only.  

Ruislip Windows and Doors Ltd. Installers of double glazed windows, doors and conservatories.
Read our customer reveiws on Yell.com


Featured: Reynaers Premium Aluminium CP130 Sliding Doors



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

  • Casement windows
  • Box sash windows
  • Flush casement windows
  • Secondary glazing
  • Residential and commercial
  • Contemporary and traditional designs


Safety and security with thermal efficiency and good looks combined. A plethora of ways to enhance your home with a multi-point locking  uPVC or aluminium replacement door.

  • Composite front doors
  • French doors
  • Sliding patio doors
  • Bifolding and sliding doors
  • Contemporary and traditional designs


Add a new dimension to your home with a stunning bespoke lantern, conservatory or orangery. Create extra space, provide an additional reception room or use as an extension to your garden.

  • Styles and designs to suit every type of property
  • A wide choice of colours
  • Virtually maintenance free
  • Contemporary and traditional designs



We know changing the fabric of your house is a big decision. But we guarantee it is one you won’t regret with Ruislip Windows' unbeatable selection of replacement windows, doors and conservatories.

Why choose us?


  • No hard sell or pressure to buy, ever.
  • Long established and local - our reputation matters.
  • Insurance backed warranties from QANW.
  • FENSA and CERTASS registered.
  • Experienced fitting teams.
  • Comprehensive aftersales service and in-house service engineer.
  • Complete peace of mind, always.


Customer testimonials

Our reputation matters to us and we work to ensure we maintain our high standards of service for each and every customer. You can read our customer testimonials on Yell.com >>

Our Watford HQ is open and our Eastcote office is open by appointment. We follow all the latest Government Guidelines.

Deceuninck Heritage windows


Ruislip Windows and Doors are a respected local installer specialising in replacement windows, doors and conservatories in both uPVC and aluminium. Based in Eastcote and Watford, we cover all local areas in and around Middlesex, Herts, South Bucks and North West London. Proud to be celebrating over 34 years in the business, the company was established back in 1986 by John Flynn, a City and Guilds qualified carpenter and double glazing installer. Originally trading as Ruislip Building Ltd, we became Ruislip Windows and Doors Ltd in May 1995 to better reflect our business.


As the company grew and became more experienced, we undertook increasingly more challenging contracts and our portfolio continued to develop and expand.


Now, over three decades since we first began, our installations range from the local domestic market to large commercial contracts.

Advances in the development of uPVC and aluminium systems, along with cutting edge technology and attention to detail now means there has never been a better time to experience the benefits that our home improvement products will bring to your home.

As professional installers with a reputation for quality and integrity, we choose our products very carefully, ensuring that our customers will benefit from the latest in technical and security specification. To this end, we install a range of products from trusted leading manufacturers, guaranteed to provide you with a top quality product that you will enjoy and benefit from for many years to come.



New porch and door

We had all of our windows and doors replaced, plus new patio doors installed. Very impressed with the service from start to finish, offering good advice and suggestions without a hard sell. High quality products at an affordable price, the fitters were professional and hardworking, the finish on the installation was very neat and tidy, particularly the area around the new patio doors which we were expecting to be very messy. Any little issues we had were quickly resolved. Very happy customers.

Review posted on Yell.com

Areas that we cover:

We cover all local areas including Harrow, Eastcote, Pinner, Ruislip, Northwood, Uxbridge, Iver, Denham, Gerrards Cross, Beaconsfield, High Wycombe, Amersham, Chalfont, Chesham, Chorleywood, Rickmansworth, Watford, Bushey, Aldenham, Northolt, Wembley, Edgware, Stanmore, Kingsbury, throughout North London, West London, Middlesex, Hertfordshire, Buckinghamshire and Berkshire. For large or specialist projects we will travel further. Call us or email us for more details or to check we cover your area.

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

Ruislip Windows and Doors Ltd

Unit 10 Metro Centre,

Dwight Road,

Watford, Hertfordshire

WD18 9SS

Tel: (020) 8868 1133   

Email: office@ruislipwindows.co.uk

Eastcote Office by appointment:

218 Field End Road, Eastcote, HA5 1RD.

© Ruislip Windows and Doors Ltd

Registered in England: 03054680

Fensa: 15058

Certass: TRR14010

Website by Michelle