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uPVC Conservatories

(Also known as PVC-U, uPVC, PVCu, PVC, Plastic Conservatories) – The Low maintenance option for a modern conservatory

Looking for a new Conservatory? Want information on the latest designs and styles? Request a Free Conservatories Brochure for details of this and a whole lot more!

uPVC Conservatories – information on uPVC Conservatory Design

This is an excellent, highly insulate material, which benefits from little or no external maintenance. It is readily available and well tested and is usually the lowest cost option of all three materials. It is mainly seen in white but also available in Mahogany and Oak woodgrain styles.


uPVC or PVCu is by far the most popular material for conservatories today.

There are many well-proven PVCu extrusions available. Problems with discoloration are virtually unheard of and most suppliers will warrant against this. The design of the windows varies from company to company. Here are a few of the main points. You may like to raise them with your supplier.

Other Information:

Internal or Externally glazed windows. Most PVCu systems will now give you this option. As a generalisation Internally beaded windows (where the glass is held in from the inside) are considered more secure and burglar resistant. That said there are a lot of satisfactory externally beaded PVCu systems about - many of which feature either internal wedge gaskets or a "double sided" tape which holds the external bead firmly in place. You should investigate this particular issue with your supplier.

PVCu Conservatory

Thickness of PVCu walling? Most PVCu systems for window and door construction are "multi-walled" with internal reinforcement by means of either Aluminium or Galvanised Steel box section. Wall thickness can vary from system to system - most are around 3 - 3.5 mm thickness. Generally speaking the "thicker" the walling - the stronger the section.

Ask your supplier for an example section and enquire if the frames are fully reinforced. Note also that the greater the number of internal walls - the greater the strength.

Depth or thickness of frame. Actual depth of frame extrusion varies from as low as 50 mm to a number at 70 mm and above. Most are in the 60 - 65 mm region. Clearly this does have an effect on the structural strength of your conservatory. This is especially worth bearing in mind when comparing prices. It would not for instance be fair to compare the price of a conservatory built using a 55 mm depth of frame with a conservatory made using 70 mm depth of frame. Again as a generalisation the thicker the frame then the stronger the conservatory section.

65% off OrangiesWe bring the following points to your attention purely to give you a feel for the sort of questions you should ask a potential supplier. The above is by no means the whole story, and there will be varying arguments one way and the other.

Here is a short list of PVCu systems companies supplying extrusion for the manufacture of PVCu conservatories in the UK. These include Rehau, Veka, Spectus and Synseal.

For some, however, PVCu lacks authenticity when it comes to the more traditional designs. It is not acceptable to planners for use on listed buildings and not popular with planners in conservation areas.

Special Note: PVCu, uPVC, PVC-U, and PVCU all essentially refer to the same material. i.e. A uPVC conservatory, a PVCu conservatory and a PVC-U conservatory are all manufactured using the same material.

bespoke, made to measure white PVC-U Edwardian style conservatory

uPVC Conservatory - Example Installation: A bespoke, made to measure white PVC-U Edwardian style conservatory. This conservatory included a glass roof with Pilkington K glass. One side of the conservatory had a ¾ height wall to give additional privacy from neighbouring property.


double-hipped Edwardian Style Roof connected via a T-shaped box gutter

uPVC Conservatory - Example Installation: A Commercial Conservatory Installation completed at Furze Hill Banqueting, Ivy Barn Lane, Margaretting, Essex. Installation featured a double-hipped Edwardian Style Roof connected via a T-shaped box gutter. Overall size: 17m wide by 5.3m deep.


For our other Products, please visit:

UPVC Conservatories | Hardwood Conservatories | Aluminium Conservatories | Oak Conservatories | Request Brochure

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Looking for local UK suppliers of PVCu (also known as uPVC or PVC plastic), Wood (including Hardwood, Timber and Oak) and metal aluminium conservatories, Sunrooms and Blinds? - Follow these links to our Directory

England - South East (including Bedfordshire, Berkshire, Buckinghamshire, Channel Islands, Essex, Hampshire, Hertfordshire, Kent, London, Middlesex, Oxfordshire, Surrey, Sussex)

England - South West (including Bristol, Cornwall, Devon, Dorset, Somerset, Wiltshire)

England - East Anglia (including Cambridgeshire, Norfolk, Suffolk)

England - Midlands (including Birmingham, Derbyshire, Gloucestershire, Herefordshire, Leicestershire, Lincolnshire, Northamptonshire, Nottinghamshire, Shropshire, Staffordshire, Warwickshire, Worcestershire)

England - North East (including Durham, Northumberland, Tyne & Wear, North, East, South, West Yorkshire)

England - North West (including Cheshire, Cumbria, Greater Manchester, Lancashire, Merseyside)

England - Isle of Wight (including Cowes, Ventnor, Shanklin, St Helens & Ryde

Scotland (including Aberdeenshire, Angus, Central, Dumfries & Galloway, Fife, Highlands & Islands, Perth & Kinross, Scottish Borders)

Wales (including Central, North, South)

Ireland (Northern & Southern) (including Antrim, Belfast, Cork, Dublin, Galway, Sligo, Tyrone)

Conservatory Accessories (including conservatory blinds, cane and wicker furniture, gardening suppliers, solar coatings)

Conservatory System Companies
(including Ultraframe, Quantal and other suppliers of roof cresting, finials, skylights)


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