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Detailed Specification

Please note: all imperial measurements are approximate and Mercia summerhouses are made from metric measurements. We would recommend that the base is at least 50mm bigger in each direction.

Product Name: 8 x 12 (2.61m x 3.60m) Forest Oakley Summerhouse with Verandah - Pressure Treated
Footprint Front Width: 2.45m (8'0")
Footprint Depth: 2.98m (9'9") - Excluding verandah
3.54m (11'7") - Including verandah
Height to Ridge: 2.26m (7'5")
Height to Eaves: 1.53m (5'0")
Walls: Overlap
Framing: 28mm x 28mm (1 1/3" x 1 1/3")
Door: Double door
Door Opening Height: 1.65m (5'5")
Door Opening Width: 1.16mm (3'9")
Door Lock: Barrel bolt
Roof Type: 8mm OSB (solid sheet board)
Roof: Apex roof
Roofing Felt: Green mineral felt
Floor: 14mm Pressure treated timber boarded floor
Floor Joists: TBC
Floor Joists Direction: Side to side
Window(s): 6 x Fixed Windows
Window/Door Panel(s) Interchangeable: Side windows only interchangeable:
Option 1
All windows on either the left-hand side or the right-hand side depth
Option 2
Depth front panel: 2 windows on the right-hand side depth and 2 windows on the left-hand side depth
Option 3
Depth back panel: 2 windows on the right-hand side depth and 2 windows on the left-hand side depth
(the location of the windows can be decided at the time of assembly)
Window Glazing Material:  Styrene
Alternative Product(s):


Treatment: Pressure Treated
Wooden Shed Base: N/A
Manufacturer's Guarantee: 15-year anti-rot guarantee
Self Assembly: Yes
FSC Certified: Yes
Free Delivery: Yes*
Assembly Available: Optional
EAN Number: 5013053188828
Recommended Treatment: View our Protek Range
Country of Origin: United Kingdom
Manufacturer: Forest Garden Products Limited


The 8 x 12 Forest Oakley Apex Summerhouse with a beautiful verandah fulfils your modern day summerhouse requirements. The apex roof and wide-opening double doors help you enjoy the fresh air and beauty of being outdoors, whilst giving you the secure feeling of being indoors. The iconic look and generous design makes it perfect for all gardens. The verandah makes the perfect spot to have little garden accessories like potted plants and lanterns to give that picturesque look to your summerhouse.

This contemporary summerhouse is a great sheltered area for you to enjoy your garden. A plethora of furniture can easily fit, helping you appreciate the outdoors with comfortable furniture that won’t get dirtied. The straight-cut timber wall cladding overlaps to help with water runoff, and the innovative design makes it an easier construction job. Forest sheds and summerhouses use additional timber that makes them reliable during the most harrowing weather conditions.

The apex roof and wide-opening doors help to give the immersion of both outdoors and indoors. The six long windows give you that necessary sunlight and an excellent view of your surroundings. The windows can be configured in 3 different locations on the depth. The double doors are also amazing for getting in that much needed fresh air. As the weather gets colder, you can close the doors and get cosy in your glazed windowed summerhouse.

With this price range the summerhouse floorboards would be made of OSB flooring. However, with the Forest Oakley, you get a high-quality tongue and floorboards, an excellent upgrade that gives a much needed finish. This would also make the floorboards far more reliable as they would be able to sustain the heavier furniture pieces.

Also available in:

Without verandah: 7x5 Forest Oakley Apex Summerhouse, 8x6 Forest Oakley Apex Summerhouse, 8x10 Forest Oakley Apex Summerhouse
With Verandah: 7x7 Forest Oakley Apex Summerhouse, 8x8 Forest Oakley Apex Summerhouse, 8x12 Forest Oakley Apex Summerhouse
Pent Roof: 7x5 Forest Oakley Pent Roof Summerhouse, 8x6 Forest Oakley Pent Roof Summerhouse, 8x10 Forest Oakley Pent Roof Summerhouse


Guarantee - 15-year anti-rot
Walls - 7mm straight cut overlapping boards for excellent water runoff.
Floor - high-quality 14mm Pressure treated timber boarded floor
Roof - apex roof constructed with 8mm OSB board and roofing felt provided
Frame - 28mm x 28mm (1 1/3" x 1 1/3")
Windows - six styrene glazed windows
Doors - double doors
Treatment - pressure treated for longevity

Make the Most of Your Summerhouse:

The Forest Oakley 8 x 12 is a flexible summerhouse that is great for entertaining guests and a sanctuary for relaxation. However, making use of the space can alter how often you would use it. Add a small table and chairs inside for a great area to entertain friends, while also being a quiet reading room. You can truly make it your own place where you can relax after a long day to unwind and be in nature. No matter how you use it, you’ll love this modern summerhouse.

About Your Order:

The Oakley is a UK-made summerhouse that features FSC® certified timber. Pressure-treated timbers are used throughout the construction of the summerhouse. The treatment gives you a 15-year guarantee against fungal damage and rot. The simple design makes it easy to assemble, and all the fixtures and fittings required for assembly are provided.

The summerhouse includes hard-wearing fixings, high-quality roof felt, and easy-to-follow assembly instructions. The pressure-treated, straight-cut overlapping boards are fixed to sturdy internal framing for strong, weather-resistant panels.

Please note: Images may depict furnishings and accessories; these are for illustration purposes only and are not included with your order.

Summerhouse Aftercare:

The summerhouse is made from pressure-treated timbers for excellent durability and preservation. Pressure Treated products do not require annual re-treatment. These products have the anti-rot solution in the timber structure, giving them improved rot resistance. The treatment may leave a greenish tinge on the wood; this is normal and will grey over time. Forest Garden Pressure Treated products come with a 15-year Anti-Rot guarantee. The manufacturer advises that if you do want to personalise your summerhouse with a different colour ensure the treatment you choose is recommended for pressure-treated timber. What our manufacturer wood recommends for additional longevity and extra protection, is to apply a water repellent product to your summerhouse.

elbec recommends Protek wood treatment. Browse our Protek Royal Exterior Wood Finish Paint range to find the best summerhouse paint colour to add your own finish.

About Forest:

Forest is one of the most trusted manufacturers of garden timber products in the UK. They have been producing high-quality wooden garden buildings for over 50 years. Forest is proud to be a British company and uses sustainable, British timber in its products.

The company is at the forefront of design and provides an excellent choice in contemporary summerhouses and modern sheds. All Forest garden buildings are made to make Britain a nation proud of its gardens. Superior quality, cutting-edge design, and excellent security are just some reasons why Forest has become one of the top choices for customers when choosing to buy a summerhouse.


Key Features

  • Pressure treated timber with a 15 year anti-rot guarantee
  • FSC certified timber used from sustainable sources
  • Free UK mainland delivery and select a delivery date at the time of order*
  • With Verandah for extra space
  • Three different window configurations
  • 14mm pressure treated boarded floor
  • Double door includes hidden door hinges
  • Green mineral felt and all fittings included
  • Optional assembly and shed base available


Important Information:   Timescales are indicated on this page.  Lead times are counted in working days (Monday – Friday) excluding Bank Holidays. You will be contacted towards the end of your timescale by either Forest's Delivery Team or Forest's preferred carrier.  Neither elbec nor Forest will be able to supply any further information on your delivery date during this timescale.

ALL DELIVERIES ARE DELIVERED TO KERBSIDE OR DRIVEWAY. All of the Forest products are delivered flat packed, (other than fence panels which are delivered fully constructed) direct to your home, and are supplied with a set of instructions to support assembly.

If you have ordered more than one item, they may arrive at different times.

Booking Delivery

You will be contacted towards the end of your timescale by Forest/their Courier with a delivery date. If this date is not convenient you can reply to the message to book a more convenient delivery date. The delivery timescales are as stated on the product page.

The delivery timescales to these areas may be extended.
AB1, AB10,-AB16, AB21-AB25,AB30-AB39, AB41-AB45, AB51-AB56, CA1-CA28, CO1-CO16, DD1-DD10, DG1-DG14, DG16. DH1-DH9, DL1-DL17, DT3-DT7, EH1-EH2,EH10-EH1-EH49,EH51-EH55, EX1-EX24,EX31-EX38, FK1-FK21, G1-G5,G11-G15,G20-G23,G31-G34,G40-G46, G51-G53,G60-G69,G71-G78,G81-G84, IP1-IP33, IV1-IV28,IV30-IV32,IV36,IV40,IV54,IV63, KA1-KA30, KW1-KW14, KY1-KY16, ML1-ML12, NE1-NE1-NE49,NE61-NE70, NR1-NR35, PA1-PA38, PE30-PE37, PH1-PH26, PH30-PH41,PH49-PH-PH50, PL1-PL35, SR1-SR8, TA20, TA22, TD1-TD15, TQ1-TQ14, TR1-TR20,TR26-TR27, AND TS1-TS29.

We are sorry but Forest do not deliver or offer an assembly service to the following Postal Codes:
BT1-BT99, GY1-GY9, HS1-HS9, IM1-IM9, IV41-IV56, JE1-JE5, KA27-KA28, KW15-KW17, PO30-PO41, PO49, TR21-TR25.

Prior to Delivery

Once you have a confirmed delivery date if you provide us with a mobile number, we can confirm the day before delivery if your delivery will be morning or afternoon.

Upon Delivery

Your order will be delivered kerbside or on your driveway. Due to health and safety, and insurance liabilities, the driver will not be able to take your goods to the back of your property but – upon request – may place the product at the side of the house if there are no access issues. This is to avoid risking damage to your property while delivering to an unsafe location. We will not be able to go through your property.

We recommend against arranging for a third party to install the product before its delivery and checking that all parts are present, and we cannot be held liable for any third-party costs caused by delays


This option will extend the leadtime by up to 3-4 weeks.

If you have selected the installation option the product and installation of your product may be on different days. Once you have been given a delivery date by Forest's delivery team you will then be contacted by their installation team to confirm your installation date and the process. The installation team will require a minimum of 2' clearance all the way around your building and the installation team will not be able to enter through your property.

8 x 12 (2.61m x 3.60m) Forest Oakley Summerhouse with Verandah - Pressure Treated

Was £1267.99 Now from £1,204.88
NEW - Pressure Treated
NEW - Guarantee - 15 year - gold

Product code - 90040046


Description Information

The 8 x 12 Oakley Overlap Apex Summerhouse is a modish variation of a summerhouse with large, long windows. A beautiful addition to any small garden. The key features include:

  • An elegant apex roof giving you more height
  • 6 Large styrene glazed windows
  • Styrene glazed double doors
  • A covered verandah
  • Pressure-treated wood
  • 15-year anti-rot guarantee

View full specification Delivery

Usually delivered: 10 Working Days. (+15 Extra Working Days with Installation Option).

Note: Currently not available for delivery to Offshore Post Codes.

excludes installation option
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  • 8 x 12 (2.61m x 3.60m) Forest Oakley Summerhouse with Verandah - Pressure Treated£1,204.88