Welcome to Transformed Windows

We're a family run double glazing company covering Greater London & Home Counties.

Give us a call, drop us an email or send us a message using our contact form here.

About us

Some words about us

We're a family run double glazing company covering London and the Home Counties.

No pressure sales, FREE quotes.

All of our replacement windows are 'A' rated and exceed the latest industry standards, giving you the peace of mind to know that you are buying superior quality, BSI approved products.

  • Professional - No obligation, free quotes and customer to fitter communications.
  • Experience - With our years of combined experience, we aim to deliver the best results.
  • Satisfaction - Your satisfaction is our priority and we will do all we can.

Building Regulations compliance

gov.uk logo linking to building regulations website

At Transormed Windows we deal directly with your Local Authority where Building Regulations compliance certificates are required.

This means our customers have the extra peace of mind knowing that their works have been inspected and approved by the Local Authority Surveyor; not signed of by a self-assessment scheme or 3rd party surveyor.

We guarantee your works will pass inspection

Take a look at our services

We offer a wide range of services including but not limited to the following...

Glass & Glazing Services

We have teams of professional glazers who can provide the following services:

  • Replacement Windows

  • Failed double glazed units

  • Lock and handle malfunction

  • General Servicing

  • PVCu, Aluminium or wood

  • Refurbishment



Porches can be made to any design or shape. Shown are just a few of the hundreds of designs. We complete the installation from basework to the frames and roofing section.

  • Polycarbonate roof

  • Solid PVC roof

  • Flat felt roof

  • Tiled roof



By selecting the windows that best suit your home, perhaps correcting the mistakes of previous generations by replacing aluminium or wooden frames with aesthetically pleasing and authentic designs in new durable PVCu, you'll restore and protect it for today and many years into the future.

All frames are Virgin Poloma which means it is not recycled, this is the only way to ensure that no discolouration will occur to your window frames.

All frames are internally glazed for total security. All openings are fitted with the highest security locking kits so that all windows we fit are the safest you could possibly fit to your property.

And a wide range of further options including choice of internal and external finishes combined with gold or silver handles.



Our door range offers homeowners a massive choice of quality doors ranging from intricate leaded glass designs to old traditional classics. Attention to detail, and quality craftsmanship make our selected doors aesthetically pleasing as well as being highly secure. Choose from the extensive range of Pilkington backing glass or the stylish gluechip glass which is also featured in many of our selected products. We also have a range of composite GRP doors offering:

  • Ultimate Security

  • Range of Colours

  • Decorative Glass Options

  • Wide Choice of Furniture

  • Traditional & Modern Designs

Some pictures and videos of our Installations

Please click on a thumbnail for the full high quality picture.

Our customers’ testimonials

PLease feel free to contact us

If you have any query, big or small, let us know and we will reply to you as quickly as possible.