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You are here: Home > Garden Buildings > Greenhouses > Alton Evolution Victorian Cedar Greenhouses > 8 x 18 Alton Harrow - Victorian Glass To Ground 8ft Wide Cedar Greenhouse

8 x 18 Alton Harrow - Victorian Glass To Ground 8ft Wide Cedar Greenhouse

RRP: £15,166.00 • our price: £7,583.00
**Beat The Price Increase**
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Alton have been at the forefront of the Cedar greenhouse market since 1921. With their vast knowledge and experience, along with years of customer feedback, they have designed and created a Cedar greenhouse fit for the 21st Century; it is called the Alton Evolution ...

The Alton Evolution has been designed to be stronger. It is surprising how some greenhouses both aluminium and Cedar have become thinner over the years to save cost. The Evolution however uses thick glazing bars based on 44 x 44mm timbers or in places 44 x 69mm.

Most wooden greenhouses have glass held in place by a beading or a groove, this can result in the glass 'rattling' in the frame; The Evolution has developed a bar capping system that uses the toughened glass as an integral part of the overall strength of the greenhouse by gripping it tightly. When you feel the greenhouse, there is little or no movement in it and you can see that it is far stronger (and you don't get a rattling sound from the glass).

The cleverly designed jointing system has a duel benefit of making assembly straight forward and adding strength to the framework. The Evolution greenhouses are supplied as standard with large panes of 3mm Toughened safety glass that help with the rigidity of the overall structure. Toughened glass is 5 - 7 times stronger than standard horticultural glass and if it is broken it will disintegrate into hundreds of small pieces (like the side window of a car) - greatly reducing the chances of injury.

Eaves Height 1708mm (5' 7")
Ridge Height 3070mm (10' )
Door Width 743mm (29")
Door Height 2012mm (6' 7")

Alton Greenhouses are manufactured from the finest Canadian Western Red Cedar - a managed and replanted natural resource. If any part of the Cedar framework rots or decays within TEN YEARS of purchase, it will be replaced promptly and FREE OF CHARGE.

  • Toughened safety glass supplied as standard
  • Aluminium Perimeter Base Included - keeps Cedar framework off the ground
  • Includes aluminium guttering and downpipes
  • Low level door threshold for easy access with no step at the doorway
  • Single door
  • 10 year framework guarantee
  • More information & detailed images Alton Evolution Greenhouse BLOG
  • Professional assembly service available - see options or call 0116 267 7091
  • Available as Half boarded (HB), Glass to ground (GG) or Dwarf wall (DW) models
  • greenhouse growing .. monthly tips from the experts

Browse the complete Alton Cedar Greenhouses range.

Product Order form
Alton Evolution Victorian
Harrow (GG) Glass To Ground
8ft 8in wide x 18ft 8in long
Cedar Greenhouse
5 Roof Vent (Automatic)
4 Louvre Side Vent
FREE Ornate Roof Finials x 2

Delivery 8 - 10 Weeks
Not ready yet? - No problem
Can be delayed for upto 12 months
Price Held with a 10% deposit
Call 0116 267 7091


Product Code: HARR818

Alton Evolution Brochure PDF

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£15,166.00
our price
£7,583.00

**Beat The Price Increase**
Last Few Days
10% Deposit Holds Todays Offers

delivery: FREE throughout Mainland UK

From the Blog...

NEW Designs - Alton Victorian Cedar Greenhouses

Introducing the 'Durham' and the 'Elmhurst' - NEW gorgeous models from Alton Greenhouses, incorporating a porch into their Victorian Evolution range. Half Boarded and Dwarf Wall designs. Read more...

Alton Cedar Cold Frames - Small Plant Frost Protection

Alton Evolution Cedar cold frames are manufactured from the same sturdy quality timber profiles as the Evolution range of greenhouses with precision cut mortise and tenon joints. Complete with sliding and hinged lids that you can open in a variety of ways including two different heights using the inbuilt cedar props or you can keep them in the closed position and slide them across. Read more...

Alton Fusion Cedar Workshop & Greenhouse Combination

We are delighted to present the NEW Alton Cedar FUSION. A Combined sturdy WORKSHOP + Quality GREENHOUSE ALL-IN-ONE-BUILDING This workshop/greenhouse combination provides you with two distinctly separate work spaces, all under one roof. Read more...

NEW Summerhouse from Alton

Alton have been at the forefront of cedar garden building manufacturing since 1921. Designed and Manufactured in the UK, Alton summerhouses really do stand out from the crowd. Throughout the design process great thought and experience has been considered to create a first class range of Cedar Summerhouses. Offering top quality joinery made windows and doors, gorgeous Western Red Cedar cladding which is factory treated and extremely resistant to rot, and wont warp or twist. Read more...

Alton Cedar Summerhouses

A whole new concept for a Cedar Summerhouse... Since 1921, Alton has been at the forefront of the cedar greenhouse market. Now, these attractive summerhouses are flying the flag for the Alton principles: traditional design ideas given a clean, modern and beautifully finished look that will be a real centrepiece in your garden. Read more...

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