8 x 12 Forest Beckwood Apex Summerhouse with Double Doors - 25yr Guarantee

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12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - insitu with doors open
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - insitu with doors open
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - isolated with doors open
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - isolated with doors closed
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - key features
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - different door and window configurations
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - maintenance free
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - heavy duty boarded floor
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - thick timber framing
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - wide double doors
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - security enhanced glazed windows and doors
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - pressure treated cladding
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - high quality felt
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - white glove service
  • 12ft x 8ft Forest Beckwood Summerhouse Pressure Treated - dimensions

Key Features

Pick a delivery date

Pick a delivery date

This service means a quicker delivery date when ordering with elbec


25 year anti-rot guarantee

Pressure Treated

Pressure Treated

Long-lasting protection against rot and fungal decay. No treatment is required,

8 x 12 Forest Beckwood Apex Summerhouse with Double Doors - 25yr Guarantee

Save £400.00
NEW - Guarantee - 25 year - gold

Product Code - 90040076


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Usually delivered: 5-10 Working Days. (+15 Extra Working Days with Installation Option).

excludes installation option
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  • 8 x 12 Forest Beckwood Apex Summerhouse with Double Doors - 25yr Guarantee£1,099.99


            The Forest Beckwood Shiplap 8x12 Summerhouse marries classic elegance with unparalleled robustness, creating an enchanting space that blends seamlessly with any garden. The wooden summerhouse is the perfect blend of timeless design and durable construction, offering a sanctuary where memories can flourish unaffected by time.

            The Beckwood sets itself apart with its low-maintenance appeal, negating the need for annual treatments thanks to its pressure-treated timber. This commitment to hassle-free upkeep is underscored by an industry-leading 25-year anti-rot guarantee, assuring the structure's enduring presence in your garden. The shiplap cladding features a tongue and groove arrangement for a seamless, water-resistant join, enhancing the summerhouse's aesthetic and structural integrity.

            Central to Beckwood's design is a robust, pressure-treated tongue-and-groove floor, which offers superior strength over standard OSB flooring and is fully equipped to support a variety of furniture. The inclusion of expansive windows floods the interior with natural light, establishing a bright, welcoming space perfect for gardens of any size while ensuring a modern and stylish addition to your outdoor environment.

            The summerhouse's modular design streamlines the assembly process, making installation straightforward. Made from FSC-certified timber, the Beckwood reflects a dedication to sustainable forestry, arriving in a flat-pack format designed for simple home assembly. This process enhances your garden and provides a rewarding DIY project, culminating in a peaceful, attractive retreat for relaxation and enjoyment.

            The Forest Garden White Glove Delivery Service is optional to facilitate seamless integration into your garden. This premium service ensures the summerhouse is expertly placed in your chosen location, with all packaging removed, allowing you to instantly appreciate the refined, spacious addition to your outdoor living space.

            Also available:

            Forest Beckwood Apex Summerhouse 6x4 - Double Door - 5 Windows, Forest Beckwood Apex Summerhouse 6x8 - Double Door - 5 Windows, Forest Beckwood Apex Summerhouse 7x5 - Double Door - 4 Windows, Forest Beckwood Apex Summerhouse 8x10 - Double Door - 6 Windows, Forest Beckwood Apex Summerhouse 8x6 - Double Door - 4 Windows, Forest Beckwood Pent Summerhouse 10x6 - Double Door - 5 Windows, Forest Beckwood Pent Summerhouse 6x4 - Double Door - 5 Windows, Forest Beckwood Pent Summerhouse 7x5 - Double Door - 4 Windows, Forest Beckwood Pent Summerhouse 8x6 - Double Door - 4 Windows, Forest Beckwood Reverse Apex Summerhouse 8x6 - Double Door - 5 Windows


            Guarantee - 25-year anti-rot

            Manufacturing - UK made from FSC® certified timber

            Walls - Shiplap

            Floor - 12mm tongue and groove pressure-treated boarded floor

            Roof - OSB (Oriented Strand Board)

            Frame - 28mm x 28mm for strength and stability

            Windows - 6 shatterproof acrylic

            Door - Double door

            Lock Type - Heavy Duty Door Bolt

            Treatment - Pressure treated 

            Make the Most of Your Summerhouse:

            Elevate your outdoor experience with the Forest Beckwood 8x12 Summerhouse by tailoring it to fit your unique lifestyle and hobbies. Imagine transforming it into a sophisticated wine-tasting room with a stylish bar, ambient lighting, and racks filled with your favourite vintages, providing an exclusive escape for savouring and discovering wines. Or, adapt it into a dedicated music room, where soundproofing and the serene garden setting allow you to play, listen, and immerse yourself in music without disturbances. It could also evolve into a personal fitness studio equipped with all the necessary gear for your workout routines, offering a private and motivational space for health and fitness. Consider the potential of a luxury dressing room, a lavish space with elegant storage for clothing and accessories, providing a glamorous area for dressing and pampering. Lastly, envision it as a gourmet outdoor kitchen fitted with a compact refrigerator, a high-quality grill, and seating, turning every meal into a garden event. The Forest Beckwood summerhouse is designed to be a flexible extension of your home, capable of transforming into whatever your heart desires, ensuring that even the most discerning tastes are catered to.

            About Your Order:

            The Forest Beckwood Summerhouse is a UK-made pressure-treated shed with FSC® certified timber. Pressure-treated timbers are used throughout the construction of this garden building. The treatment gives you a 25-year guarantee against fungal damage and rot. The simple design and flat-pack delivery make it easy to assemble. All the fixtures and fittings required for assembly are provided. Easy-to-follow instructions are included. A white glove delivery service is available. With this service, the summerhouse will be placed in your garden where you want it, and all packaging will be removed and taken away. Should you prefer to have the summerhouse assembled, an optional installation service is available at an additional cost.

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

            Summerhouse Maintenance:

            The wooden summerhouse is made from pressure-treated timbers for excellent durability and longevity. Forest’s pressure-treated products do not require annual re-treatment. An anti-rot solution in the timber structure, improving rot resistance. The treatment may leave a greenish tinge on the wood; this is normal and will grey over time. Forest Garden Beckwood Summerhouses come with a 25-year Anti-Rot guarantee. The manufacturer advises that if you want to paint your timber summerhouse with a different colour, ensure the treatment you choose is recommended for pressure-treated timber.   

            elbec recommends Protek wood treatment. Browse our Protek Royal Exterior Wood Finish Paint range to find the best shed paint 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 why Forest has become one of the top choices for customers when buying a garden product.


            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.


            With the majority of Forest products, you will be required to book your delivery date at the time of placing your order. Our 'Request a Delivery Date' service is available to the majority of areas and you'll find that the majority of the UK postcodes are FREE but some areas may incur a delivery surcharge and some postcodes are not covered at all. Select a 'requested delivery date' by entering your postcode in the 'Request a delivery date' section above. You will also be notified at this time if your area incurs a surcharge or delivery is not covered in your area.

            Where 'Request a Delivery Date' is not available on a product, you will be contacted towards the end of your timescale by Forest/their chosen 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 by up to 5-10 working days:
            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 does 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 this should be the first number and not the alternative 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, 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 advise against arranging for a third party to install the product before its delivered and checking that all parts are present,  we cannot be held liable for any third-party costs caused by delays.


            If you have selected the service for installation, we can confirm that delivery and installation will occur on different days, and the length of time required for delivery and installation will depend on the specific item you have chosen. You will not be able to pre-book a delivery or installation date when placing your order, as this will be arranged directly with the manufacturer. Within 5 working days of placing your order, the manufacturer will contact you via email to explain how to prepare the base for installation. The base must be either a solid, level timber supportive base, concrete, concrete slabs, or a pro shed base (plastic base). You should ensure that there is a clearance of 18 inches (450mm) of working space around the base so that the installers can access all areas of the structure. Shortly after receiving the email from the manufacturer, you will receive a phone call to schedule a convenient delivery and installation date. Installation may occur within 15 working days of delivery.   Note: This service is not available on all Forest products, please check if this is available for your chosen product under the 'Choose Additional Options' above.


            Please note: all imperial measurements are approximate, and the Forest Gardens 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 Forest Beckwood Apex Summerhouse with Double Doors - 25yr Guarantee
            Footprint Depth:
            3.54m (11'7")
            Footprint Width:
            2.42m (7'11")
            Ridge Height:
            2.33m (7'8")
            Eaves Height:
            1.83m (6'0")
            Shiplap tongue and groove
            Cladding Thickness:
            Treatment Type:
            Pressure treated
            Recommended Treatment:
            Maintenance free, preservative treatment is never needed
            Manufacturer's Guarantee:
            25 Year Anti-Rot Guarantee
            Framing Size:
            28mm x 28mm (11/10" x 11 /10")
            Roof Type:
            Roof Material:
            OSB (oriented strand board)
            Roof Thickness:
            Roofing Felt:
            Green mineral felt
            Floor Material:
            Tongue and groove boards
            Floor Thickness:
            Floor Joists:
            28mm x 28mm (11/10" x 11 /10") - pressure treated
            Floor Joist Direction:
            left to right
            Door Type:
            1 x double door
            Door Height:
            1.67m (5'5")
            Door Width:
            1.09m (3'7")
            Door Lock System:
            Heavy duty door bolt
            Number of Window(s):
            Window Material:
            3mm Acrylic
            Window/Door Panel(s) Interchangeable:
            Fully modular panels - means that the same size panels are interchangeable. You choose the window and door placement of your summerhouse.
            Self assembly
            Optional Assembly:
            FSC Certified:
            Free Delivery*:
            Optional Wooden Base:
            Manufacturer's Product Code:
            EAN Number:
            Forest Garden Products
            Country of Origin:
            United Kingdom
            Click to View Alternative Sizes:
            Apex: 6x4,6x8,7x5,8x6,8x10,8x12,10x6
            Reverse Apex: 8x6


            The Forest 8x12 Beckwood Apex Summerhouse presents a sophisticated garden building with easy assembly and innovative style. With an exceptional 25-year anti-rot guarantee, it is the ultimate choice for those desiring a maintenance-light outdoor haven. Key highlights include:

            • Pressure treated with a 25-year anti-rot guarantee - longest on the market
            • Maintenance-free - preservative never needed
            • Apex roof design
            • Double door
            • Extra-thick solid wood boarded floor