20 x 12 pressure treated buildings

Project Timber offers 20 x 12 Pressure Treated Buildings and...

Showing 1–18 of 19 results

Grandmaster “Heavy Duty” D1000 Workshop Shed – Pressure Treated

View Product

Select options

From £1599

£1,439

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Grandmaster Diplomat Garden Room – Pressure Treated

View Product

Select options

From £1899

£1,709

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Grandmaster Diplomat Garden Room – Offset Door – Pressure Treated

View Product

Select options

From £1899

£1,709

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Grandmaster “Heavy Duty” Apex Workshop – Windowless – Pressure Treated

View Product

Select options

From £1699

£1,529

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Grandmaster “Heavy Duty” Apex Workshop – Pressure Treated

View Product

Select options

From £1599

£1,439

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Pressure Treated Grandmaster Clockhouse Garden Room

View Product

Select options

From £2799

£2,519

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Grandmaster “Heavy Duty” D1000 – Windowless – Pressure Treated

View Product

Select options

From £1699

£1,529

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Pressure Treated Grandmaster Fusion with Side Shed

View Product

Select options

From £2499

£2,249

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

12 x 8 14 x 8 16 x 8 18 x 8 22 x 8 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Grandmaster “Heavy Duty” D1000 – Offset Doors – Windowless -Pressure Treated

View Product

Select options

From £1699

£1,529

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Grandmaster “Heavy Duty” D1000 Workshop – Offset Doors – Pressure Treated

View Product

Select options

From £1599

£1,439

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Grandmaster Duke Summerhouse – Pressure Treated

View Product

Select options

From £1799

£1,619

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

10 x 8 12 x 8 16 x 8 8 x 10 10 x 10 12 x 10 16 x 10 20 x 10 12 x 12 16 x 12 20 x 12
Pressure Treated Diplomat Grandmaster Long Window Summerhouse

View Product

Select options

From £1899

£1,709

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Pressure Treated Alpine Grandmaster Summerhouse Cabin

View Product

Select options

From £3899

£3,509

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

16 x 9 20 x 9 16 x 12 20 x 12 16 x 14 20 x 14 16 x 16 20 x 16
Grandmaster “Heavy Duty” Apex Workshop with Side Door – Pressure Treated

View Product

Select options

From £1599

£1,439

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14
Pressure Treated Evolution Insulated Garden Room

View Product

Select options

From £5259

£4,733

Deko Price Here

FREE delivery from

Jun, 14th Wed*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12
Grandmaster Alpine Summerhouse Cabin – Plain Side – Pressure Treated

View Product

Select options

From £3799

£3,419

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

16 x 9 20 x 9 16 x 12 20 x 12 16 x 14 20 x 14 16 x 16 20 x 16
Grandmaster Alpine Summerhouse Cabin – Long Windows – Pressure Treated

View Product

Select options

From £3999

£3,599

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

16 x 9 20 x 9 16 x 12 20 x 12 16 x 14 20 x 14 16 x 16 20 x 16
Grandmaster “Heavy Duty” Apex Workshop with Side Door – Windowless – Pressure Treated

View Product

Select options

From £1699

£1,529

Deko Price Here

FREE delivery from

Jun, 15th Thu*

In Stock

Sizes

8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

Subtotal	£0.00
Total	£0.00

Size

Product Range

Roof Style

Door Style

Treatment

Windows

Features

Popular

Availability

Grandmaster “Heavy Duty” D1000 Workshop Shed – Pressure Treated

Jun, 15th Thu*

Grandmaster Diplomat Garden Room – Pressure Treated

Jun, 15th Thu*

Grandmaster Diplomat Garden Room – Offset Door – Pressure Treated

Jun, 15th Thu*

Grandmaster “Heavy Duty” Apex Workshop – Windowless – Pressure Treated

Jun, 15th Thu*

Grandmaster “Heavy Duty” Apex Workshop – Pressure Treated

Jun, 15th Thu*

Pressure Treated Grandmaster Clockhouse Garden Room

Jun, 15th Thu*

Grandmaster “Heavy Duty” D1000 – Windowless – Pressure Treated

Jun, 15th Thu*

Pressure Treated Grandmaster Fusion with Side Shed

Jun, 15th Thu*

Grandmaster “Heavy Duty” D1000 – Offset Doors – Windowless -Pressure Treated

Jun, 15th Thu*

Grandmaster “Heavy Duty” D1000 Workshop – Offset Doors – Pressure Treated

Jun, 15th Thu*

Grandmaster Duke Summerhouse – Pressure Treated

Jun, 15th Thu*

Pressure Treated Diplomat Grandmaster Long Window Summerhouse

Jun, 15th Thu*

Pressure Treated Alpine Grandmaster Summerhouse Cabin

Jun, 15th Thu*

Grandmaster “Heavy Duty” Apex Workshop with Side Door – Pressure Treated

Jun, 15th Thu*

Pressure Treated Evolution Insulated Garden Room

Jun, 14th Wed*

Grandmaster Alpine Summerhouse Cabin – Plain Side – Pressure Treated

Jun, 15th Thu*

Grandmaster Alpine Summerhouse Cabin – Long Windows – Pressure Treated

Jun, 15th Thu*

Grandmaster “Heavy Duty” Apex Workshop with Side Door – Windowless – Pressure Treated

Jun, 15th Thu*

Order Summary

Total:

£0.00