01603 721590
Set Delivery
Stock products delivered within a few days. Other products made to order. See individual product details for specific delivery information. READ MORE ...
WINTER SALE - many prices reduced!
Not your postcode?
Setting the first half of your postcode shows you the full choice in your area.
In a moment you may be asked to share your location. Please allow this so that we can show you the full choice in your area (inclusive of delivery charges). You may also set your location manually using the button above.

Click this messge to hide it.

Grey Aluminium Greenhouse 174 - Double Door

Grey Aluminium Greenhouse 174 - Double Door
Play Video
Pictures 1, 2, 3 and 4 show the 8'4"x10'4" greenhouse with optional staging and shelving. Pictures 5 and 6 show the 8'4"x12'4" with optional staging.


Unbeatable toughened glass prices! These strong and spacious greenhouses are 8'4" (2.54m) wide. The lengths are from 4'3" to 20'6" (1.3m - 6.25m). The prices are unbeatable for silver finish with glass. Features include toughened safety glass, a generous 5'4" eaves height and a 6'8" door height. The frames are silver finish aluminium with double sliding doors and a generous allocation of free opening roof vents. Detailed fitting instructions are supplied for DIY self assembly. Low cost installation is available in many areas.

Back to the Top
  • Silver finish
  • Aluminium base plinth (makes installation easier)
  • Strong aluminium frame with 10 year guarantee
  • Toughened safety glass with full height sheets where practical (with no glass overlaps)
  • Integral gutter
  • Double sliding door
  • 1 free roof vent (8'4"x4'3" and 8'4"x6'3" greenhouses)
  • 2 free roof vents (8'4"x8'4" greenhouse)
  • 3 free roof vents (8'4"x10'4" greenhouse)
  • 4 free roof vents (8'4"x12'4", 8'4"x14'5" and 8'4"x16'5" greenhouses)
  • 5 free roof vents (8'4"x18'6" greenhouse)
  • 6 free roof vents (8'4"x20'6" greenhouse)
  • Eaves height 5'4" (1630mm) including base plinth
  • Ridge height 8'3" (2515mm) including base plinth
  • Door height 6'8" (2030mm) including base plinth
  • Door width 4'5" (1345mm)

THIS ALUMINIUM GREENHOUSE: This metal greenhouse features a strong aluminium frame which is well braced for extra rigidity. Horticultural glass is available if you want a strong greenhouse at the best price. Toughened glass is best if you are concerned about safety. Although strong, the design is basic with all fixing bolts and glazing clips visible and plenty of struts and cross braces required. PVC bar capping is available in place of the glazing clips. Although not as elaborate as some more expensive greenhouses, if you want a strong greenhouse at a sensible price these aluminium greenhouses are a popular choice.

SILVER FINISH ALUMINIUM: Silver finish is the natural colour of aluminium before it is painted. It is cheaper than painted aluminum but just as strong and durable. An unpainted aluminium greenhouse will gradually oxidise producing fine grey powder forms on the surface of the greenhouse. This is the aluminium's natural self protection and it does not harm the greenhouse. Oxidisation occurs quicker in areas of high pollution or in coastal areas.

TOUGHENED GLASS: Toughened glass is the best glazing material for use in greenhouses. It is around 6 times stronger than normal glass so it is less likely to break and when it does break toughened glass breaks into harmless small pieces. This makes toughened glass the best option for all the family including children, pets and the elderly. Toughened glass also strengthens the frame and it is heavy which helps to resist wind. Full height toughened glass is supplied in larger sizes than horticultural glass with no overlapping glass.

BASE PLINTH: The base plinth makes installation much easier. It is designed to be a portable and prefabricated foundation beam. The plinth features a flat underside to spread the weight of the greenhouse over a larger area. The base plinth can be placed on any flat and level surface including soil, gravel, decking, concrete or paving slabs. It is best to prepare a perimeter footing of concrete or paving slabs for the base plinth to stand on. However, with care the base plinth can be placed on any surface including soil or gravel provided that the ground is flat and level.

BASE ANCHORS - CORNER PEGS: The base plinth includes corner pegs which are designed to be buried in the ground or set in concrete. This is recommended in less sheltered locations. The pegs are used as angle brackets to fix the corners of the base plinth together but they also extend downwards into the ground. If your greenhouse is sited on an existing patio or paved area you can cut the pegs off at ground level. The offcuts can be used to as brackets to help secure the base plinth into the concrete.

GREENHOUSE LOCATION: Ideally your greenhouse should have a clear space at least 18" wide on all sides, if possible. This ensures easy access for both installation and future maintenance. In reality this is often not practical and at many sites it is not needed. A reduced clearance is often possible on one or two sides. You should cut back or remove any nearby shrubs and trees. Remember to allow for future growth. Ideally the ridge of a greenhouse should run from east to west. The best position for a freestanding greenhouse is a sunny spot outside the shadow of nearby buildings and trees. A sheltered position is best otherwise additional screening may be advisable. Plants need plenty of water so your greenhouse should be close to a water supply and the site should be well drained.

SIZES - LENGTH AND WIDTH: The external wall sizes are listed alongside the price. The first dimension listed is the width and the second dimension is the length. The width refers to the angled gable walls at the front and rear including the door wall. The length refers to the side walls.

Back to the Top
In stock now - log cabins, metal sheds, greenhouses, gazebos, garden furniture