Double glazing installers in Eastbourne & East Sussex
Celebrating 25 years in business - your number one for double glazing

Welcome to Swain Brothers - your number one for double glazing
Swain Brothers is a family business with over 25 years of experience installing double glazing. We specialise in windows, doors, conservatories and conservatory roof replacement. As one of the longest-running double glazing installers in our local area, we have the expertise needed for a job well done.
Our good reputation in East Sussex is down to a combination of providing both great quality products and exceptional customer service. We pride ourselves on delivering a trustworthy and impeccable service. To do so, we take the time to understand each project. Whether it is a conservatory or new windows, we take a tailored approach to every home.
We are a trading standards-approved double glazing installer. We are dedicated to providing home improvements and ensuring the highest quality in every job we do.
At Swain Brothers, we understand that your home is important to you. We have a large selection of UPVC double glazed windows, doors, and conservatories to suit your needs. These can enhance the look, security, and energy efficiency of your home. From REHAU windows to Distinction doors, we only use high-quality materials from our suppliers to give our customers peace of mind.
Double glazing for the whole home
If you are looking for a new conservatory, look no further. From Equinox tiled roof replacements to new builds from eurocell, we can give your home a new modern look using only the best materials. We have several style and colour choices to choose from, so there will always be an option for any home.
Custom door designer tool
Alongside this service, we also offer a door designer system. Looking for something more customised? This helpful software allows our customers to pick and choose doors that work for them. Whether it is a simple change of colour, or a whole new design, our designer tool can help you to create the perfect door for your home.
Customer satisfaction and peace of mind
Customer satisfaction is at the heart of everything we do. We understand how stressful finding reliable double glazing East Sussex solutions can be.
We listen to your needs and give you honest advice to help you make the best decisions for your home. Our friendly and knowledgeable staff are always available to answer any questions and offer support throughout your project.
We want to ensure a seamless experience from start to finish with peace and quiet. What could make this better? Our competitive pricing and no hidden costs.
Our services cover much more than installations. As a double glazing company, we provide all-around aftercare for each of our jobs. This is to ensure your new windows, doors, or conservatory continue to function properly after installation. Our continued support means you can rely on us for maintenance and any future needs.
As a FENSA-registered company, we adhere to the highest standards of installation. We work hard to ensure that all work complies with current building regulations. Our installations come with a 10-year insurance-backed guarantee, giving you peace of mind that your investment is protected.
Excellent windows & fitters

The difference it’s made to our house is immense, along with our reduced heating bills. The guys were excellent, can’t recommend them highly enough.
Excellent service

“A very helpful, efficient team; I am always very pleased with the work they carry out.”
Why choose Swain Brothers?
Experience and expertise: With over thirty years in the industry, our knowledge and skills ensure top-quality workmanship.
High-quality products: We source only the best materials to ensure durability, energy efficiency, and aesthetic appeal.
Customer-centric approach: We prioritise your satisfaction with exceptional customer service.
Regulated and approved: We are a FENSA-registered and trading standards-approved business. As a result, we adhere to quality and safety standards.
Comprehensive guarantee: Our 10-year insurance-backed guarantee provides peace of mind, ensuring your investment is secure.
Bespoke solutions: We offer tailor-made solutions to fit your specific needs. This is to ensure that every installation complements your home’s unique style and character.
We are trusted window and door installers in your area. We cover: Eastbourne, Pevensey, Polegate, Hailsham, Seaford, Uckfield, Hastings, Bexhill and Brighton.
Double-glazed windows enhance your home’s insulation as well as security. Our range of stylish and energy-efficient windows provides you with the best of both.
Doors: We provide a wide range of options that blend security with visual appeal.
Conservatories: Create extra living space with our custom-built conservatories. Each is designed to suit your lifestyle and look and feel of your home.
Repairs and Maintenance: Keep your new windows and doors in prime condition with our repair and maintenance services.
Our range of products and services:
We believe in building lasting relationships with customers. This is what makes us one of the best for double glazed windows in East Sussex and the surrounding area.
A lot of our clients past and present, find us through recommendations. This shows that they trust us and are happy with our services time and time again. Choose us for top-notch products and services, plus a committed partner dedicated to improving your home.
Contact us today to schedule a consultation. Let us help you transform your home with our expert installation services and customer care.
