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Timber conservatories

At JMP Window Systems, Chester, Cheshire, we are committed to designing and building conservatories which meet the tastes and needs of our individual clients. Working in Chester, Cheshire and beyond, our hand crafted conservatories are manufactured from the finest quality materials and to the highest standards attainable, to ensure lasting enjoyment.
Whether you require additional family living space, or create a large comfortable laundry room, or an elegant dining environment, we can design a conservatory which will perfectly meet your requirements and budget, at the same time, our stylish conservatory designs will enhance the appearance and value of your home.
We offer a comprehensive and flexible service from the survey and planning, right through the building process of your hardwood conservatory, including electrical work, plumbing, plastering, joinery, decorating and path work. Finished hardwood conservatories exceed FENSA building regulations


Above are a range of examples many of which are in the Chester and larger Cheshire area.

Details and additional features

A range of our conservatories in Chester and the larger Chester area

Solid timber conservatory gutter (before lead lining)
Brass conservatory roof light winder and brackets
The list of ancillary items for today’s modern hardwood conservatories includes extra security, additional ventilation through skylights, (Operable by brass pole, electric, mineral or automatic), trickle ventilation ogee guttering, traditional lead lined guttering, added mouldings such as pilasters, cornices, dado rails, plate shelves (delft rails).
There is also a choice of conservatory roof glazing materials, either polycarbonate or glass. Polycarbonate is available either triple wall, four wall or even five walls thick for increased acoustic properties and better insulation properties, all available in a clear, opal, or brown tint finish. Glass on the other hand has endless amounts of permutations - for example ‘Anti-sun’ glass is tinted to reduce glare and ‘Low E’ glass is heat retaining. Our standard glass roof is made up from 4mm toughened outer and inner panes of glass. Laminated glass is a higher specification alternative to toughened.
Aluminium box gutter
conservatory roof lights
Dendil mould
solid timber mouldings
Technical details

a) protection of the unit’s perimeter seal from ultra-violet light,
b) support of the unit on the horizontal plane thus avoiding stressing of the unit and the perimeter seals,

c) thermal expansion of the glass unit independent from the rafter

Our range of harwood conservatories utilises the technical benefits of our window and door sections and our conservatory roofs have been designed on the same principles. The roof sections thermal expansion and contraction, they also incorporate an external drainage system to prevent any possibility of water ingress. All the timber roof rafter sizes are calculated to ensure that our conservatories perform to the requirements of CP3 Chapter V pt.2 with reference to wind and snow loading for any location in the U.K. specified to us.
There are two types of rafters that can be utilised within our range of hardwood conservatories,; one has been developed to be used with a polycarbonate roofing system, and the other is for use with a glass roof. The standard roof bars are 57mm wide and fully gasketed for use with polycarbonate. The second type of rafter is 68mm wide and has therefore extra width to provide adequate edge cover to the glass unit for:

Roofs are usually ‘maintenance free’ incorporating our range of aluminium cappings and PVC finishes and crestings. However, feature roofs - as in the ‘Petworth’ range - incorporate timber ridges and solid timber finials albeit the cappings are aluminium.
Roof systems can be mixed and matched with any of our window systems thus enabling you to create a conservatory which is unique and blends harmoniously with your house and surrounds.