Order Line: 0115 9656820

After Sales: 0115 9656820

Halls Universal 812 Silver 8' x 12' Glass Greenhouse

This Halls Universal 812 Silver 8' x 12' Glass Greenhouse is a stylish greenhouse that is perfect for any gardening enthusiast. more

This Halls Universal 812 Silver 8' x 12' Glass Greenhouse is a superb greenhouse upgrade for safety longevity. Each Universal greenhouse from Halls has a smooth sliding door and two roof vents as standard.

There are also many optional extras to consider with this garden greenhouse from the drop down menus to enhance your greenhouse garden building and make a garden growing environment completely tailored to your needs. We also sell the Halls Universal 812 Silver 8' x 12' Glass Greenhouse in other sizes and in a choice of two frame finishes - silver & painted coated forest green.

Halls Universal 812 Silver 8' x 12' Glass Greenhouse Dimensions:

  • Length: 3.84m
  • Width: 2.57m
  • Eaves Height: 1.32m
  • Ridge Height: 2.4m
  • Growing Area: 9.9m²
  • Door Opening: 590mm
  • Roof Vents: 2

 Halls Universal 812 Silver 8' x 12' Glass Greenhouse Features:

  • Spacious High Eaves - Easier to grow & work in.
  • Box section ridges
  • Cast joints - At ridge and eaves
  • Easy clip-in glazing
  • Smooth single sliding door
  • Integral roof ventilation
  • Full Illustrated Instructions

Additional Options: (please select these from the drop down menu/s) We will be happy to provide you any further information upon request in relation to these greenhouse options:

  1. Base - As pictured in the main image
  2. Installation - *Please see below
  3. Staging - Aluminium, potting benches, wire trays, aluminium shelving, seed trays and luxury staging
  4. Louvre - Bladed, glass or poly glazed
  5. Roof Vent - 6' & 8' available
  6. Window Opener - Manual and auto
  7. Down Pipes -  6' & 8' rainwater kits are available
  8. Shading/insulation - 8ft & 12ft shading screens
  9. Greenhouse Heater - Junior, senior or maxi heating
  10. Coldframe - 4x2 or 4x3 in Horticultural, toughened or polypropelene glazing options
  11. Watering System - Vanlet automatic irrigation unit


Delivery Notes:

  1. All Orders will be Delivered within 21 - 28 Days from receipt of order
  2. All customers will be contacted 48 hours prior to delivery to provide AM / PM delivery date
  3. Delivery charges to all other Offshore and Scottish Islands locations require individual quotes (please call customer services before ordering)


  • Installation completed within 10 working days from delivery of greenhouse
  • Ensure ground location is of firm and level footing with any additional materials being pre-laid in readiness (example Paving Slabs etc.)
  • Area prepared should be free from any obstruction (example Manhole covers etc.)
  • Area should be free from overhanging obstacles (example Tree branches, Power lines etc.)
  • The area should allow the building to be installed providing access to all sides
  • Please ensure you have pre-checked your garden building 72hrs before your installation reporting any problems to our Customer Services 
  • Any additional accessories to be installed at the same time will be chargeable at a rate of £24.95 inclusive of VAT. If you wish to to have a lot of accessories installed? Please call our customer services department who will be able to give you a tailored quote.

IMPORTANT NOTICE: Customers should report any problems relating to the product within 24 hours from receipt to our customer service department.

delivery van
Usually 21 - 28 working days
Universal 812 Silver Glazing
  • Horticultural - £719.10
  • Toughened - £944.10
Total Price
£719.10 £1,049.00 Save £329.90
Seen it cheaper? We'd love for you to call or email us so we can try and beat it for you.
delivery van
Usually 21 - 28 working days
Optional Extras

Silver Base

£178.00 each


Green Base

£258.00 each

2 Tier Green Staging

2 Tier Green Staging

£107.35 each

Installation Please

Installation Please

£449.00 each


Down Pipe

£27.10 each

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