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30 Years of
Founded in 1980 we have stayed true to our
roots, as a reliable, genuine and respected manufacturer
and installer of windows, doors and conservatories.
You can rely on us to deliver the most
innovative, beautiful and secure products,
which we will install for you as quickly,
quietly and efficiently as possible.
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Lower your
heating bills
Reduce the heat lost in winter, and keep your
house cool in the Summer. Our super energy
efficient windows will save you money. Fact!
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Is your
door secure?
Our doors are incredibly tough and secure. By using
the best quality, British made locking systems with
reinforced hinges we give you superior levels of
security to feel safe in your home.
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Expand your home with Britannia Windows’ elegant home
extension, which adds value to your home and better
still, keeps the sun shining even when the British weather
isn't kind. We tailor make our conservatories to offer
you the best fit for your home.
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Who doesn't relish that little bit of extra luxury?
A Britannia Windows Orangery is an elegant historical
twist to any home and will enable you to flood your
home with light and warmth, raising the roof to
new standards of grandeur.
Once again a wonderful job. You really are a fantastic company and I am looking forward to the rest of the windows, thank you.

Mr & Mrs Gordon

Areas we cover

We are your local supplier and manufacturer and installer of windows doors and conservatories; a perfect fit for all your needs. With our three separate branches; Britannia Windows Clevedon, Britannia Windows Bognor Regis and Britannia Windows Chandler’s Ford, we are your friendly local network who has the aim to provide secure, innovative and trusted products, all of which can be supplied to:

  • Clevedon
  • Nailsea
  • Portishead
  • Yatton
  • Congresbury
  • Backwell
  • Bognor Regis
  • Chichester
  • Hayling Island
  • Rustington
  • Waterlooville
  • Chandler's Ford
  • Southampton
  • Fareham
  • Eastleigh
  • Winchester
  • Gosport

See if we cover your area below:

  • Clevedon

    Abbots Leigh BS8, Failand BS8, Lower Failand BS8, Clapton-in-Gordano BS20, Easton-in-Gordano BS20, Pill BS20, Portbury BS20, Portishead BS20, Sheepway BS20, Weston-in-Gordano BS20, Clevedon BS21, Kenn BS21, Kingston Seymour BS21, Tickenham BS21, Walton Bay BS21, Kewstoke BS22, St Georges BS22, Weston-super-Mare BS22, Wick St Lawrence BS22, Worle BS22, Hewish BS24, Hutton BS24, Locking BS24, Puxton BS24, West Wick BS24, Sandford BS25, Winscombe BS25, Axbridge BS26, Cheddar BS27, Banwell BS29, Filton BS34, Chew Valley BS40, Langford BS40, Redhill BS40, Udley BS40, Wrington BS40, Dundry BS41, Long Ashton BS41, Backwell BS48, Chelvey BS48, Flax Bourton BS48, Nailsea BS48, West End BS48, Wraxall BS48, Claverham BS49, Cleeve BS49, Congresbury BS49, Yatton BS49
  • Bognor Regis

    Waterlooville PO8, Havant PO9, Emsworth PO10, Prinsted PO10, Southbourne PO10, Westbourne PO10, Fareham PO16, Hayling Island PO11, Adsdean PO18, Bosham PO18, Boxgrove PO18, Hambrook PO18, Nutbourne PO18, Chichester PO19, Aldingbourne PO20, Birdham PO20, Church Norton PO20, Colworth PO20, Dell Quay PO20, Donnington PO20, Eastergate PO20, Hunston PO20, Itchenor PO20, Lagness PO20, Merston PO20, Oving PO20, Runcton PO20, Selsey PO20, Sidleham PO20, South Mundham PO20, Tangmere PO20, Upper Norton PO20, West Itchenor PO20, Wittering PO20, Woodgate PO20, Bognor Regis PO21, Pagham PO21, Barnham PO22, Flansham PO22, Middleton-on-sea PO22, Shripney PO22, Atherington BN17, Bilsham BN18, Yapton BN18
  • Chandler's Ford

    Southampton SO14, Chilworth SO16, Fareham PO16, Hillyfields SO16, Maybush SO16, Nursling SO16, Upton SO16, Highfield SO17, Portswood SO17, Midanbury SO18, Townhill Park SO18, Sholing SO19, Thornhill SO19, Weston SO19, Woolston SO19, Chilcomb SO21, Colden Common SO21, Compton SO21, Hursley SO21, Morestead SO21, Otterbourne SO21, Silkstead SO21, Temple Valley SO21, Littleton SO22, Winchester SO23, Bighton SO24, Bradley SO2, Bramdean SO24, Brown Candover SO24, Cheriton SO24, Kitwood SO24, Monkwood SO24, New Alresford SO24, Ropley SO24, Botley SO30, Curbridge SO30, Hedge End SO30, West End SO30, Bursledon SO31, Burridge SO31, Lower Swanwick SO31, Bishop’s Waltham SO32, Boorley Green SO32, Durley SO32, Shedfield SO32, Shirrell Heath SO32, Swanmore SO32, Waltham Chase SO32, Wintershill SO32, Calmore SO40, Marchwood SO40, Totton SO40, Downton SO41, Everton SO41, Lymington SO41, Milford on Sea SO41, Brockenhurst SO42, East Boldre SO42, Furzey SO42, Lyndhurst SO43, Stoney Cross SO43, Blackfield SO45, Dibden SO45, Dibden Purlieu SO45, Holbury SO45, Eastleigh SO50, Fair Oak SO50, Horton Heath SO50, North Stoneham SO50, Lee SO51, Romsey SO51, North Baddesley SO52, Chandlers Ford SO53, Gosposrt PO12, Whiteley PO15, Knowle PO17, North Boarhunt PO17, Wickham PO17, Wickham Common PO17