Shop By Garden Room Size

From Only £4,029

We've consolidated all our popular Garden Room sizes in one convenient location to make your shopping experience even more practical and easy. Simply select the size you need, and you'll see all the garden rooms available in that dimension.

With 100's of options to browse, we offer the most extensive selection available online.

Whether you're looking for a top of the range 14'x20' Custom Cedar Garden Room or a practical 7'x10' DIY Kit Garden Room, we offer a wide range of choices to suit your outdoor space. From Contemporary Garden Rooms and Garden Rooms with Side Sheds to Corner Garden Rooms and Bespoke Garden Rooms, we have it all in nearly every size and cladding option you can imagine. Don't wait any longer—find the perfect garden room for your needs today. We provide fast 'Pick a Day' delivery options along with numerous installation and extra services, including pre-painting and base preparation.

Can't see the size you need? Then simply visit our All Garden Rooms page and use the filter options to find the size you need.

If you'd like to discuss your options with a member of our sales team then Contact Us and we can help you find the right building for you.

Items 1-30 of 76

Set Descending Direction
  1. Adley 2m x 3m Insulated Garden Room - DIY Kit
    Was £5,084 Now £4,029 Save £1,055
    Or From £87.95 Per Month
    • 2 Weeks Delivery
  2. Adley 3m x 2m Insulated Garden Room - DIY Kit
    Was £5,084 Now £4,029 Save £1,055
    Or From £87.95 Per Month
    • 2 Weeks Delivery
  3. Adley 3m x 3m Insulated Garden Room - DIY Kit
    Was £6,499 Now £5,374 Save £1,125
    Or From £116.92 Per Month
    • 2 Weeks Delivery
  4. Adley 2m x 3m Insulated Garden Room
    Was £6,299 Now £5,424 Save £875
    Or From £118.45 Per Month
    • 3-4 Weeks Delivery
    • FREE Home Installation
  5. Adley 3m x 2m Insulated Garden Room
    Was £6,299 Now £5,424 Save £875
    Or From £118.45 Per Month
    • 3-4 Weeks Delivery
    • FREE Home Installation
  6. Adley 4m x 3m Insulated Garden Room - DIY Kit
    Was £7,699 Now £6,314 Save £1,385
    Or From £137.72 Per Month
    • 2 Weeks Delivery
  7. Adley 3m x 3m Insulated Garden Room
    Was £7,299 Now £6,374 Save £925
    Or From £138.74 Per Month
    • 3-4 Weeks Delivery
    • FREE Home Installation
  8. Interest Free Finance
  9. Loxley 10' x 8' Waltham Insulated Garden Room
    Only £6,499  
    Or From £141.39 Per Month
    • 28 Days Delivery
  10. Loxley 8' x 8' Wembley Insulated Garden Room
    Only £6,879  
    Or From £149.98 Per Month
    • 28 Days Delivery
    • FREE Home Installation
  11. Adley 4m x 3m Insulated Garden Room
    Was £8,989 Now £7,324 Save £1,665
    Or From £159.61 Per Month
    • 3-4 Weeks Delivery
    • FREE Home Installation
  12. Adley 3m x 4m Insulated Garden Room
    Was £8,989 Now £7,324 Save £1,665
    Or From £159.61 Per Month
    • 3-4 Weeks Delivery
    • FREE Home Installation
  13. Loxley 12' x 8' Wembley Insulated Garden Room
    Only £7,984  
    Or From £173.71 Per Month
    • 28 Days Delivery
    • FREE Home Installation
  14. Loxley 12' x 8' Wembley Insulated Garden Room With Side Shed
    Only £8,819  
    Or From £192.01 Per Month
    • 28 Days Delivery
    • FREE Home Installation
  15. Bards 10' x 8' Othello Bespoke Insulated Garden Room - Painted
    Was £9,799 Now £9,239 Save £560
    Or From £201.46 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
  16. Bards 8' x 8' Oswald Bespoke Insulated Garden Room - Painted
    Was £9,919 Now £9,339 Save £580
    Or From £203.35 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
  17. Fast Free Delivery
  18. Adley 3m x 4m Drayton Insulated Garden Room
    Best Price
    Adley 3m x 4m Drayton Insulated Garden Room
    Only £9,599  
    Or From £209.32 Per Month
    • 3-4 Weeks Delivery
    • FREE Home Installation
  19. Adley 6m x 3m Insulated Garden Room
    Was £11,499 Now £9,779 Save £1,720
    Or From £212.95 Per Month
    • 3-4 Weeks Delivery
    • FREE Home Installation
  20. Loxley 16' x 8' Wembley Insulated Garden Room
    Only £10,069  
    Or From £219.13 Per Month
    • 28 Days Delivery
    • FREE Home Installation
  21. Bards 8' x 8' Othello Bespoke Insulated Garden Room - Composite
    Was £10,739 Now £10,119 Save £620
    Or From £220.66 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
  22. Bards 12' x 8' Othello Bespoke Insulated Garden Room - Painted
    Was £10,939 Now £10,279 Save £660
    Or From £224.15 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
  23. Loxley 12' x 12' Wembley Insulated Garden Room
    Only £10,299  
    Or From £224.29 Per Month
    • 28 Days Delivery
    • FREE Home Installation
  24. Loxley 16' x 8' Wembley Insulated Garden Room With Side Shed
    Only £10,314  
    Or From £224.40 Per Month
    • 28 Days Delivery
    • FREE Home Installation
  25. Bards 10' x 10' Othello Bespoke Insulated Garden Room - Painted
    Was £10,969 Now £10,329 Save £640
    Or From £225.10 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
  26. Interest Free Finance
  27. Loxley 12' x 12' Wembley Insulated Garden Room With Side Shed
    Only £10,534  
    Or From £229.49 Per Month
    • 28 Days Delivery
    • FREE Home Installation
  28. Bards 10' x 8' Portia Bespoke Insulated Garden Room - Painted
    Was £11,419 Now £10,849 Save £570
    Or From £236.44 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
  29. Bards 8' x 8' Othello Bespoke Insulated Garden Room - Cedar
    Was £12,049 Now £11,359 Save £690
    Or From £247.12 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
  30. Bards 10' x 8' Othello Bespoke Insulated Garden Room - Composite
    Was £12,109 Now £11,479 Save £630
    Or From £249.74 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
  31. Bards 12' x 8' Portia Bespoke Insulated Garden Room - Painted
    Was £12,829 Now £12,089 Save £740
    Or From £263.49 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
  32. Bards 10' x 10' Portia Bespoke Insulated Garden Room - Painted
    Was £12,979 Now £12,229 Save £750
    Or From £266.25 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
  33. Bards 10' x 10' Oswald Bespoke Insulated Garden Room - Painted
    Was £13,019 Now £12,269 Save £750
    Or From £267.12 Per Month
    • 12-13 Weeks Delivery
    • FREE Home Installation
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All images are for illustrative purposes only. All dimensions are approximate and may vary with manufacturers tolerances. Dimensions contained within product names are approximate, for guidance purposes only. Unless otherwise stated, all measurements are overall including roof overhangs where applicable.

Free delivery is available to most UK postcodes. Postcodes that qualify for free delivery are always determined by our trusted couriers and any additional charges will be stated at the checkout. Our 'Pick A Day' service is for selected products only and will be highlighted on all qualifying products under the delivery section.

♦ Pick a day delivery is subject to availability. Postcode must match your delivery address, otherwise the delivery date may not be available. Pick a Day delivery is not available when Home installation is selected, you will be contacted by the installations team to arrange delivery and installation dates. Pick a Day delivery on orders placed through finance are also not available and are subject to credit checks, which are outside our control. In such cases you will be contacted to rearrange delivery. Terms & Conditions apply.