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Lines open from 8:30am - 5pm weekdays
Windows
Explore our fantastic range of double and triple glazed windows. Choose warm and secure windows in uPVC, timber or aluminium frames.
Windows
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Doors
Stylish, secure and energy efficient doors – whether you’re looking for a new front door, or a set of glass patio or bi-fold doors.
Doors
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Conservatories
Design your dream conservatory with the help of one of our designers, with your choice or windows and doors, and a glass or tiled roof.
Conservatories
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Home Extension
Enjoy more space with a kitchen or dining room extension. Get 3D designs of how your extension will look, plus planning permission advice.
Home Extension
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Bi-Fold Doors
The ultimate modern door; these versatile doors create a seamless link between your home and garden.
Bi-Fold Doors
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Roofline
Protect your home and smarten up the exterior with attractive uPVC fascias, soffits, gutters, downpipes and cladding.
Roofline
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Begin your project
Windows, Doors & Conservatories from SEH BAC across Essex and the South East
At SEH BAC we create bespoke home improvements serving all requirements in double glazing, triple glazing, windows, doors, conservatories and more. We offer all of our clients the best service in the marketplace. That’s why we are the number one providers of double glazing products in Essex, Oxfordshire, Buckinghamshire, Bedfordshire and the South East with over 50 years of trading!Find your nearest Show Centre
Locate your nearest show centre by entering your postcode below and clicking the search button.
Multi award-winning company
Here at SEH BAC, we’re proud to have won many prestigious awards for our products as well as our work in the community. We're delighted to have received the prestigious Installer of the Year award which sets us apart as the best window, door and conservatory installer in the UK, beating over 13,000 other companies. This makes us the best choice for your next home improvement project. Being recognised for our work in the community as well as our reliable customer service and transformative home improvements makes all the difference.
Buying a product through SEH BAC offers you real peace of mind
Customer promise
We have the knowledge and experience to provide you with exactly what you need. Our staff are expertly trained to guide and advise you. We offer you a 10 Year Guarantee.
We are one of the largest 
regional retail companies.
News from our world
25/03/20 – COVID-19 (Coronavirus) customer update
The safety, happiness and wellbeing of our customers, staff and suppliers is incredibly important to us at SEHBAC. So, in...
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50 window & door facts (to celebrate our 50th birthday!)
Installing high-performance windows and doors for 50 years now, delivering premium home improvements products is firmly rooted in our DNA....
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Is it a good time to move or improve in Oxford?
It can’t be denied that political uncertainty in the 2010s has really shook up the British housing market, where, on...
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Improving South East homes for more than 50 years – from Essex to Abingdon
With 12 show centres across the South East, you’re not far away from achieving your dream home:
- Essex
- Greater London
- Suffolk
- Hertfordshire
- Buckinghamshire
- Oxfordshire
- Surrey
Our Accreditations
