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Ventrolla is known across the UK for repairing, manufacturing, supplying, and installing a beautiful collection of timber windows and doors, alongside a handpicked selection of sleek aluminium windows and doors. Combined with efficient slimline double glazing, conservation-friendly secondary glazing, or single glazing to suit the most restricted locations, eliminating draughty, noisy, or damaged windows and doors is easy with Ventrolla by your side.
Timber Sash Windows
The quintessential heritage window design. Featuring one or two vertically sliding panels, our wooden sliding sash windows are designed completely bespoke to replicate the originals.Find out more
Timber Casement Windows
Another classic window design. Opening from the side like a door, from period to modern buildings, our wooden casement windows suit a variety of property eras.Find out more
Timber Window Renovation
If renovation over replacement is not possible, as the UK's only nationwide timber window renovation provider, our unique patented timber removal and repair system is what sets us apart.Find out more
Timber Front Doors
We always suggest renovation over replacement. When it is not possible, our bespoke timber front door designs are sure to complement your homes’ unique aesthetic.Find out more
Timber French Doors
Opening rooms up to the great outdoors like no other style, timber French doors let the light flood inside whilst keeping you warm and cosy throughout the year.Find out more
Timber Door Renovation
Structural movement is a common in period buildings, often causing original timber doors to become distorted and difficult to open and close. Retaining your doors classic charm is easy with our unique sealing system.Find out more
Secondary glazing delivers many of the features that modern double glazing provides without the extra hassle of trying to obtain planning permission.Find out more
Designed to eliminate draughts, rattles and dust ingress, the Ventrolla Perimeter Sealing System was awarded the prestigious Design Council Award (Engineering Components) in 1986. Using strips of low-friction Weatherfin polypropylene pile to seal the gaps, this patented system, along with our innovative sash removal system, are still core heritage renovation products 35 years on.
With workshops based in Harrogate, Henley-on-Thames, and Lockerbie, manufacturing our products in-house gives all parties involved complete control of the process from start to finish – from customisation to pricing and everything in between.
Windows & Doors
Windows & Doors
Windows & Doors
Ventrolla were able to beat all the other quotations that I received and answered queries quickly and informatively, making changes as required promptly and without fuss. I was kept informed throughout of lead times and manufacturing times. The real stars of the show were Rob and James who worked tirlessly and brilliantly as a team to repair sash boxes where required and install our new sashes. Thank you!
Everybody I dealt with has been super friendly, informative, and helpful. I received emails with updates on what was happening, etc. It has been a great experience from start to finish.
I used Ventrolla to renovate my sash windows over to years ago. When two of them finally collapsed, including a bay window the size of three full sized Georgian windows they were my first contact. The office staff, surveyors and the three fitters that did an amazing job installing them in less than two days were all excellent. The quality of workmanship and the standard of installation were first class, and the new windows look amazing. I will definitely be using them again as more of my windows will need replacing over the next few years.
This is the second property Ventrolla have restored my windows for me, and the this job was every bit as good as the first. 14 sash windows in a Grade II listed building installed/refurbed without a hitch in week. The team of 4 installers were lovely chaps, super efficient and tidy. All round another fabulous job done – thank you the Ventrolla Team