fbpx
Continue Shopping
Mon-Fri / 08:30 - 21:00  |  Sat-Sun / 10:00 - 20:00
Monday - Friday / 08:30 - 21:00  Saturday - Sunday / 10:00 - 20:00
Basket

Project Timber accepts Visa, Mastercard, Amex & Maestro through our 100% secure SSL payment providers - WorldPay & PayPal.

Visa MasterCard Amex PayPal
01777 802300 - Click here to call now!
Oops..
It appears you are visiting us on Internet Explorer 9 or earlier. Please upgrade to a later version of Internet Explorer. Alternatively, you can view our website on Google Chrome, Mozilla Firefox or Apple Safari.
  • 10% OFF USE CODE 'NEWYEAR10'
Free delivery
on selected postcodes
0% Interest Finance
Call for Quote
50 years experience
Manufactured in Great Britain
Check delivery time
Click to enter postcode
Free delivery
Click here to enter your postcode
  • We'll deliver any product to your home, 5 days a week and even in two working days.
  • We schedule deliveries from 8am until 6pm.
  • Free delivery is also available.
  • We'll text you a 3 hour timeslot on the morning of your delivery.
  • Your driver will attempt to call you when they're on the way.

Pressure Treated Traditional Windowless Insulated Grandmaster Workshop Shed

From £63.86 / month

OPTIONALLY INSULATED

In stock
Mortice lock and lockable windows
Extra tall inside
Stronger and taller double doors
16mm cladding upgrade
15 year anti rot guarantee
Fully insulated

Disclaimer : Painted buildings are for illustration purposes only. All buildings are on their standard or pressure treated colour upon delivery.

High Quality Materials

Thicker & doubled up timber framing with shiplap construction.

Insulated as standard with Multi-foil Insulation

Multi-foil Insulation locks the heat in with the same U-Values as 120mm Glass Wool Insulation

15 year Anti Rot Guarantee

Pressure treated to protect against fungal decay and rot.

Fits through a standard door

Modular sections that fit through your door and make assembly easier.

What’s included?

  • All fixings and fittings
  • Easy to follow instructions
  • Pre-assembled panels, roof and floor
  • Extra high ridge and eaves height
  • Tall opening windows and fully braced doors, single glazed as standard
  • Opening side windows
  • Signature mineral felt
  • 15 year guarantee with pressure treated panels
  • Mortice lock and lockable windows

Hand Crafted

Grandmaster is built by our fully trained product assembly team using hand-selected graded scandinavian slow grown timber at our facility in Nottinghamshire, in the cusp of Sherwood Forest.

All of products are picked, checked and packed for delivery making sure everything meets our high standards.

We do the hard work for you

Grandmaster comes with pre-assembled panels which we build in house and check before it’s delivered to your door. Making the installation of Grandmaster easier for you or your installer, whilst saving you time and money.

Alongside this we have created a set of easy to follow instructions which are sent out with every building, making your Grandmaster experience a pleasant one.

Insulation Upgrade

We can offer an insulation package on Grandmaster giving you even more options and possibilities when it comes to decorating your building.

All of products are picked, checked and packed for delivery making sure everything meets our high standards.

Build Grandmaster to your specification

Just like the Evolution, the Grandmaster is built up of modular panels. Meaning that you can customise your building to your needs. Choose from base-coated or pressure treated finsh which comes with a 15 year anti-rot guarantee. Upgrades from external cladding thickness (11mm or 16mm) to flooring thickness (11mm, 19mm or 28mm) providing a stonger base for heavier applications. You have two glazing options with Grandmaster the first being styrene forseasonal use or double glazing to enjoy your Grandmaster all year round. For extra protection we can upgrade you to a rubber roof protecting your outdoor building up to 50 years.

Evolution Insulated Garden Office

Start creating your Evolution today

At Project Timber, we aim to provide you with the best customer experience as possible. We want to help you find the perfect outdoor building, exactly the way you want it

Choose from one of the sizes we offer. Our Traditional Windowed 2 Doors Grandmaster Workshop Shed comes with the following as standard –
 
Included
 

High quality materials

We only use the very best materials for our garden buildings.
 
Included
 

10 year anti-rot guarantee

Peace of mind that your building will stand proud for years.
 
Included
 

Longer lasting

Our buildings are designed to last.
 
Included
 

Thicker and doubled up framing

27mm x 44mm panel framing – thicker than standard. Key supports are doubled up to 54mm for extra support.
 
Included
 

Fully braced doors

  • Open fully for extra comfort
  • Extra high for more headroom
  • Fully braced for increased strength
 
Included
 

Mortice lock and lockable windows

Extra high security with a three lever lock to keep your belongings safe.
 
Included
 

Extra tall interior

  • 2.3m ridge height for 8ft range
  • 2.4m ridge height for 10ft / 12ft
  • Room for taller items
  • A comfortable space for all day use
 
Included
 

Extra strong, double sided roof trusses

Extra support to maximise the roof strength.
2

Thickness

Easy and strong tongue and groove construction

Our shiplap panels keep rainwater and other harsh elements from entering the building. This is primarily due to its construction where the panels closely interlock, leaving no space for water penetration and weather damage.
Included
 

11mm shiplap

Tongue & groove

Upgrade

16mm shiplap

Tongue & groove

3

Floor

4

Glazing

Included
 

Modern

Single glazing

Included
 

Georgian

Single glazing

Choose a style and between single and double glazing

Our signature, fully opening windows come in either a modern or georgian style. In addition, choose between single or double glazing, with double our recommendation for year round use.
5

Roof cover

A choice of roof covers for your preference and budget

Included
 

Mineral felt

Upgrade

Black roof tiles

Upgrade

Grey roof tiles

Upgrade

Green roof tiles

Features

Included

High Quality Materials

HIgh quality 11mm tongue & groove shiplap as standard on the Grandmaster workshops with a 16mm upgrade option available

Included

Insulated as standard with Multi-foil Insulation

Multi-foil Insulation locks the heat in with the same U-Values as 120mm Glass Wool Insulation

Included

Profiled internal walls as standard

Durable, attractive, and premium appearance on the inside

Included

15 year anti-rot guarantee

Ideal for office or personal use

Included

Thicker doubled up framing

27mm x 44mm panel framing – thicker than standard. Key supports are doubled up to 54mm for extra support.

Included

Extra high eaves and ridge height

Ideal for office or personal use

Included

Floor options available

11mm tongue & groove floor as standard. Thicker floor options available

Select Size
Select Measurements
Metric
Imperial
Overall Dimensions
Overall Width
Value
Overall Depth
Value
Width Internal
Value
Depth Internal
Value
Eaves & Ridge
Eaves Height Inc. Floor
Value
Eaves Height Excl. Floor
Value
Ridge Height Inc. Floor
Value
Ridge Height Excl. Floor
Value
Eaves Height Internal
Value
Ridge Height Internal
Value
Features
Windows
Value
Shed Type
Value
BillyOh Range
Value
Roof Style
Value
Fixtures & Fittings
Value
Cladding Style
Value
Locking System
Value
Interchangeable Windows
Value
Basecoat Treatment
Value
Pre-Assembled Side Panels
Value
SCROLL UP TO SEE YOUR BUILDING
  • Size
    Please Select..
  • Wall Thickness
    Please Select..
  • Floor
    Please Select..
  • Roof Cover
    Please Select..
Buy Now
NOW ONLY
Total
Per Month
For 10% DISCOUNT use code NEWYEAR10
Check Delivery Time
Simply enter your postcode to customise delivery times to your address.
Request a callback

Contact Us

How can we help you?