Raven Greenhouse 18 x 8 - Swallow GB

Raven Greenhouse 18 x 8 - Swallow GB

Product details

The 18 x 8Raven Greenhouse is 8'9 wide making this modern timber greenhouse perfect for those gardeners who prefer a more generous space to work in.  Included as standard are a double width lockable door, toughened glass, oiled finish, damp seal, staging down one side, automatic roof vents and installation.  Constructed in the UK from thermally modified Swedish Redwood Pine, a natural material with high durability with almost no warping, shrinking or swelling. These lovely greenhouses are a joy to own and you will be delighted with the quality and workmanship 

Our Price includes Vat and Installation to most UK Mainland postcodes (see below) other areas will need an individual quote. At the Checkout you can choose to pay the full amount or just 20% deposit and the balance when you get an installation date. Lead time is normally four to six weeks but the drop down box below provides the current lead time that will apply if you order today


  • Dimensions: Length 5730mm (18'10), Width 2660mm (8'9), Ridge Height 2660mm (8'9), Eaves Height 1730mm (5'8). Models shown may be a different size
  • Double Door giving an open width of 1200mm (3'11), Height 1940mm (6'4). Opens inwards and is fitted with an aluminium handle and mortice lock
  • The bottom 12mm tongue and groove boards are 390mm long, all boards fixed with stainless steel nails
  • Glazed with toughened glass which is slid into a groove and sealed with quality silicone. Redwood Pine Glazing Bars 58mm x 34mm finished size. Side glazing is 1220mm x 610mm
  • Six top vents sealed with timber capping and fitted with a temperature controlled automatic openers
  • Full length wooden staging on one side with centre support and oiled finish. Staging width is 520mm
  • Damp barrier: 20mm black PVC section is screwed to the bottom to considerably extend the life of your greenhouse
  • Classic appearance with a turned apex finial
  • Natural oils are used to give a long lasting finish which enriches the colour of the wood, resists fading and offers protection from mould, marks and water ingress
  • 5 year Frame Guarantee against rot and decay. 2 year Guarantee on all fixtures and fittings such as auto vents, handles, locks etc

Optional extras:

  • Extra staging so your greenhouse has staging down both sides (staging down one side is included as standard). Oiled finish
  • High level shelf for the full length of the greenhouse which can be fitted on either side. Width 260mm. Oiled finish
  • Side opening vent (manually operated)
  • Hunter gutter system, 76mm width, downpipes to the ground or into a water butt (if available at the time of installation)
  • Factory applied multi-layer paint finish in one of the heritage colours made by Farrow & Ball. See photos for chart showing the colours currently available. Staging and any shelves with painted buildings are supplied oiled and not painted to ensure they are more resistant to abrasion
  • Ornate Black Door handle instead of the aluminium one fitted as standard 
  • Your greenhouse can be installed on a Dwarf Wall, instead of the part boarding, at no extra cost. The customer needs to have the wall constructed prior to installation using the detailed plans we will send you. Please use the comments box at the Checkout to request this option
  • You can order a Potting Bench or Cold Frame  to compliment your new greenhouse. These heavy items are supplied assembled and are only available if ordered at the same time as your greenhouse, as they are delivered together 

Delivery & Installation
All buildings are made to order within the lead time specified at the time of ordering. You will be emailed a base plan within 48 hours of placing an order and this should be constructed as soon as possible to avoid any delays.  We recommend the base is the same size as the greenhouse (not larger) and must be flat and level. Most customers use paving flags or a concrete pad which is a minimum of 10cm deep. When your greenhouse is almost ready you will be contacted to arrange a suitable day for the installation

Free delivery area:  All Mainland England and Wales plus these Scottish postcodes: DG, G, FK, PH2, PH3, PH4, PH6, PH7, KY, EH, ML, TD.   For all other areas please contact us for a personal quote 

Easy Payment:  just 20% deposit required with your order
When you go to the Checkout you will see the price has automatically been reduced to the deposit amount. The balance is normally paid when you are contacted to arrange the installation date. If you prefer to pay the whole amount just click on the 'Remove voucher' link at the Checkout and the total will be restored (the link is on the right hand side below the total amount due)

Free Greenhouse Starter Kit
We are offering a complimentary Starter Kit with some really useful items to go with your new Greenhouse.  To buy the items separately would cost over £40

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