Our customers love their home improvements, and don’t just take out word for it. With a huge array of projects across London and the South East including conservatory, orangery, door and window installations, we’ve brought joy to many homeowners in the region. Explore the featured testimonials below to discover what our customers have been saying about us and check out our Houzz account to find out more.

Service was swift

Had a great experience using James and Tony from Four Point Installations. The showroom was warm and friendly with lots of useful window and door samples. Their installation service was swift and highly professional. Really loved the window and will definitely highly...

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- C Bernstein, South East England

Competitively priced

We needed a new 5 meter sliding door for our kitchen extension and a new front door. I had heard good things about 'Four point installations' and so we decided to go with them. They were competitively priced and the service was...

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- Esther in Earlsfield, London

Professional attitude

I first met James and Tony at Four Point Installations at their showroom in Balham. It was bright and airy and full of great new windows and sliding door samples. James and Tony were both really warm and friendly with useful advice...

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- Customer in Acton, London


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Combining craftsmanship and experience

Accredited and trusted installers in the South East of England, Four Point Installations have built their excellent reputation through years of dedicated installations across London and the Southern Counties. With experts in uPVC, Aluminium and Timber as well as a huge range of products and services including windows, doors, conservatories and roofs- Four Point Installations can provide both the helpful advice and craftsmanship to provide you the service you need.

Certass Accreditation

London based installer with a nationwide reach

Four Point Installations install a wide range of quality home improvements all across the country from our London headquarters, from the southern areas of Bristol to the Northern reaches of Manchester no area needs to miss out on our bespoke services.

Learn more about our nationwide double glazing and installation services and enquire today to find out how we can help add value to your home.

Four Point Installations | London Based Installers

Add value to your home with our fantastic products

Four Point Installations | uPVC and Aluminium Installers

A huge range of materials and glazing options available

Four Point Installations | Balham Showroom

View our quality products at our London showroom

Four Point Installations | Certified Installers

We provide outstanding quality customer service


Based in Earlsfield, London, providing our services nationwide

Four Point Installations | Double Glazing Installers

We are specialists in a huge range of home installations