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Crown Conservatories & Windows Ltd have been building single story extensions, orangeries as well as glazed roof lanterns and flat roof lights for over 20 years. As with all Crowns products we use market leading products such as Ultraframe and Atlas. We recognise every home and customer has different requirements and these are taken into consideration during the design stage.

Atrium Roofs, Solid Roofs and Flat Roofs

Whether you prefer the grandeur of an atrium roof, a solid roof with Velux windows or a flat roof with a lantern or flat roof lights, Crown offers various roof options for homes and styles within a budget that suits your needs.


Whether you require a contemporary build or a grand design, Crown have the expertise to plan and construct an extension to suit your needs and budget.

Our expertise extends from just design and build, to complete the entire project from architects, building regulations, builders, electricians & plumbing.

We have 2 showrooms, one in Fleet, Hampshire which is open 6 days a week and the other in Arborfield, Berkshire which is option daily. Both showrooms have our high-quality products available to view. Our design advisors are happy to help with the decision that will transform your home and increase your living space with a traditional or contemporary extension, or help transforming your home using natural light form the flat roof lights or lanterns.

Please give us a call on 01252 617385 or take advantage of the Crown ‘Request a Call Back’ option.

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Roof Lanterns and Flat Roof Lights

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Flat Roofs

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Recent Work

  • House modernisation in Frimley

    Crown helped transform a 1970s house into a stunning modern looking home with superb curb appeal. Incorporating new anthracite grey flush casement windows, a Solidor timber core composite door, Origin aluminium bi fold doors. Crown also rendered the front and fitted Western Red Cedar timber boards.

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  • Solid roof glazed extension in Yateley

    Crown designed this stunning Ultraframe 380 Solid roof glazed extension in Yateley, Hampshire. Working with the customer, to create their wish for a light and thermally efficient extension, we have built a modern glazed solid roof extension to the rear of their property, fitted with anthracite grey bi folding doors which open up to garden area.

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  • Windows in Alton

    Crown Conservatories & Windows have worked alongside our customer in Alton, Hampshire enhancing their home.

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  • Conservatory Fleet

    Crown designed this traditional conservatory in Fleet with the help of our customer, incorporating their vision for the inside to be brick finished. With tiled effect window boards and tiled flooring, this completes the look.

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Construction of Conservatory. Very professional approach. The tradesmen involved knew...
Mr Harury, Fleet, Hampshire
Fitting of composite front door, upvc back door and 5 upvc windows. Very good service...
Mrs Sanderson, Fleet, Hampshire
Conservatory installation. Brilliant, very good workmen.
Mrs Coles, Fleet, Hampshire
Single story rear extension with Origin bifold doors - excellent, can absolutely recommend
Mr Appel, Bracknell, Berkshire
Doors on conservatory adjusted satisfactorily. Arrived on same day problem noted,...
Mr Wilcock, Wokingham, Berkshire

 Crown is a Swish Installer      Crown Conservatories is a member of Fensa   Crown Conservatories is an LABC Member