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Technical Specifications

Hardwood & Aluminium Finishes

Every conservatory structure is hand-prepared for painting and receives an essential base primer coat, followed by two coats of factory spray finish, before glazing.

Our high specification paint system is water-based and low maintenance, specially designed for use with hardwood. We offer a wide range of traditional and heritage colours, to suit every location, and each conservatory is fully factory-finished prior to dispatch, to ensure an immaculate surface.

Aluminium sections are polyester powder coated to BS6496 and are available in over 400 quality Ral colours.


Farrow & Jones Conservatories differ from many other conservatory manufactures, in that we use sustainably sourced sapelle mahogany where possible to produce the main components for our Conservatories and Orangeries.

This is because Sapelle is one of the most dense and durable mahogany’s available on the market, making it imminently suitable for external joinery and the preferred timber for craftsmen who specialise in the fabrication of high quality buildings Sapelle Mahogany has a very fine texture, due to its compact grain and molecular structure.

This has the benefit of producing a particularly high-quality finish, after paint has been applied. Such quality is often not present when other hardwoods are used as they tend to be softer, with a more open grain.


At Farrow & Jones we take the security of your orangery seriously. All our glass is toughened and extremely difficult to break, and is likely to exceed your existing level of window security.

Our door timber 68mm thick and the multi-point locks used on doors and windows are made to the highest European standards, giving your orangery an exceptional level of security and protection.

If you have an existing intruder alarm, we are happy to work alongside your provider to fit sensors in our joinery or PIR detectors, ensuring no cables are visible.


Normally most glass units within our glass constructions are built as a 28mm double glazed unit with two layers of 4mm toughened safety glass separated with a 20mm spacer.

There are many different types of glass available. Broadly these fall into three categories: low emissivity, solar and self cleaning. Low emissivity glass helps retain heat within buildings in cold periods and can be used in conjunction with an argon gas fill, improving insulation further.

Solar glass blocks the sun’s rays, reducing heat build-up in summer and bleaching of fabrics and furniture. Self cleaning glass breaks down any dirt that lands on the pane, allowing rain to easily wash it away. These products can be used on their own or in conjunction with each other, depending on the requirements of the job. A high specification low emissivity glass is fitted to all glazing units as standard.


All our doors and windows have premium quality fittings as standard throughout. Finishes to include brass, satin chrome, polished chrome and antique black.

Optional handmade designs on request in a wide variety of styles and finishes.


Effective and adjustable ventilation is essential for summer comfort. Farrow&Jones optimises air flow through opening roof vents, either fitted to the ridge or high level sash windows within a roof lantern to create a natural exchange of air, roof vents are fitted with an automated control unit that is controlled either manually or electronically with or without rain sensor.

Opening windows are traditionally top hung on stainless steel friction hinges, enabling them to be opened to any position desired without the use of a stay bar. We will endeavour with any of our buildings to conceal all electrical wiring at the design stage.


Farrow & Jones is constantly reviewing materials and construction details. Our specification is subject to continual improvements. All work is covered by our comprehensive five year guarantee. We ask that the building is completed to our approved standards and is properly maintained at all times.
Maintenance contracts available on request.
We cover a range of areas including Bedfordshire, Buckinghamshire, Cheshire, Gloucestershire, Hampshire, London, Northamptonshire, Oxfordshire, Surrey, Warwickshire. Recommendations and testimonials’ available on request.
Please get in touch with our team if you would like more information, to book in a design consultation or to get a no-obligation quote.