Forest Melbury 4m x 3m Log Cabin (34mm) - Single Glazed

Product Code: BSD25126
Cabin Only:

A modern garden cabin with 10m² of internal space, this 4x3m log cabin is perfect for transforming into your own garden office, relaxing family living space or even a garden gym.

  • High quality 34mm thick interlocking log walls
  • Robust 19mm tongue & groove roof and floor (supported by pressure treated floor bearers)
  • Single glazed double doors with rim lock and key
  • 2 more windows to the front plus an opening side window which can be placed on the left or right of the building
  • Toughened real glass single glazing throughout
  • Premium Felt included - tear resistant, polyester-backed roof felt with 15 year life expectancy – further upgrade available
  • Supplied untreated so must be treated with preservative upon assembly
  • Protect your Garden Building with Timmersol Timber Stabiliser and Waterproofer - 4 Bottles are required for this Building - Available in a Range of Colours Here

Please ensure a solid, level base is constructed BEFORE your installation date. Installation does not include plastic bases, electrics or other accessories. Please see the installation section below for more details.

Our Premium Felt is twice as tear resistant than standard industry felt and has a 15yr life expectancy. Underlay enhances weather-protection and protects the felt from being disturbed by natural timber movement. Our Superior Felt is three times as tear resistant with a 25yr life expectancy.

  • Accessories
  • x
    Solartech Premium Garden Building Solar Lighting Kit 8 - Suitable for Buildings upto 4m x 4m (14' x 14')

    Solartech Premium Garden Building Solar Lighting Kit 8 - Suitable for Buildings upto 4m x 4m (14' x 14') - £305.99

    Incredibly easy to install and highly-effective too, the Solartech Premium Solar Lighting Kit 8 is a beautiful way to illuminate your summerhouse or log cabin, without increasing your utility bills. This solar kit includes two floor lamps and a table lamp, adding atmospheric lighting to your garden structure and really making it feel like part of your home.

    You will be able to enjoy up to 5 hours of interior lighting for your summerhouse every evening, thanks to a powerful system which uses highly-advanced solar and lithium battery technologies. The brightness of this solar-powered floor and table lamp combination is equivalent to 350lm and 80lm mains bulbs, so is perfect if you’re entertaining friends or simply engrossed in a good book. 

    The battery hub is also capable of charging all your other mobile devices, a 12v television, or a laptop computer with a 12v adaptor, which is sure to prove useful when you’re settled in the garden, with no intention of popping backwards and forwards to the house. There won’t be any unexpected power cuts, either, for the solar panel is completely weatherproof and supremely effective throughout the year.

    Installing your new summerhouse solar lights couldn’t be easier, thanks to a simple plug and play system, whilst the 2-year guarantee offers you complete peace of mind that you are buying premium garden lighting.

    This wonderful solar lighting kit includes 1 x 10w solar panel, 1 x panel bracket, 1 x 10Ah battery hub, 2 x floor lamps, 1 x table lamp, 2 x 3.5w vintage bulbs, 1 x 0.8w vintage bulb, 1 x splitter cable, 1 x fixing pack and a simple step-by-step guide.

    These solar lights are suitable for the Sudbury summerhouse, as well as the Chiltern and Melbury log cabins.

    A total of 9 Solartech lighting kits are available, so you’re sure to find garden lights suitable for your own outdoor area.   

    Free delivery is available to most UK addresses.

    • 2 floor lamps and 1 table lamp
    • Brightness equivalent to 350lm & 80lm bulbs
    • Advanced, weatherproof solar and lithium battery technologies
    • Plug and play installation system
    • Battery can charge all other mobile devices, a 12v TV or laptop computer
    • 2-year guarantee
    • Suitable for summerhouses and log cabins
    • Free delivery to most UK addresses
    • PLEASE NOTE: Lamp shades are not included
    • PLEASE NOTE: Our installation services for sheds and other garden buldings do not include the installation of solar lighting kits
  • Log Cabin Preserver
  • x
    Timmersol Clear Stabiliser & Waterproofer - 5 Litres

    Timmersol Clear Stabiliser & Waterproofer - 5 Litres - £59.99

    View The Safety Data Sheet Here

    View All of the Colours in the Timmersol Range Here

    Not just a luxury but an absolute necessity, the Timmersol Exterior Timber Stabiliser and Waterproofer - Clear is designed as a premium log cabin treatment but provides equally effective weatherproof protection for other wooden garden buildings, fence panels and decking.

    This market-leading multi-layer wood treatment is expertly made in England, by one of the nation’s leading manufacturers of weatherproofing products. Consisting of a unique blend of wax, oil, and resin, its triple barrier system not only provides unbeatable protection from rain, but from atmospheric moisture too. This puts Timmersol Exterior Timber Stabiliser on a completely different level to most other wood preservatives.

    This top-of-the-range timber treatment is impervious to blistering, cracking, flaking, and peeling. It comes with a microporous finish, which penetrates deep inside the wood to provide exceptional weatherproof and UV protection, while still allowing the wood to breathe. What’s more, as a semi-transparent stain, it will enhance your wood’s natural beauty by letting the grain show through.

    You can apply this solvent-based timber waterproofer with a brush, roller, or any type of sprayer (thinning not required). If you apply the recommended 3 coats, it’s guaranteed to provide up to 5 years’ complete weatherproof protection for your wood. Apply a top-up coat on a 5-year basis after that.

    Supplied in a 5 Litre storage-friendly bottle, this log cabin treatment is available in a range of  attractive shades.

    Please be advised that 1 litre of Timmersol Exterior Timber Stabiliser and Waterproofer covers a 12m² area.

    Free delivery is available to most UK postcodes.

    • For use on garden buildings, fence panels and decking
    • Made in England from a unique blend of wax, oil, and resin
    • Premium protection against atmospheric moisture – the main cause of mould and rot
    • Apply with a brush, roller, or any type of sprayer (thinning not required)
    • Will neither blister, crack, flake, nor peel
    • Microporous finish allows the wood to breathe
    • 5-year guarantee
    • Apply 3 coats for 5 years’ complete protection
    • Choose from 6 attractive shades
    • Free delivery to most UK postcodes
Buy Now! Extra 10% off ALL Wooden Garden Buildings over £699 Ending in
Simply Use Voucher Code OFFER10 at Checkout
Save an EXTRA 5% Off Forest Orders over £599 Ending in
Simply Use Voucher Code SAVE5 at Checkout
Final product price
6 Weeks
Installation Available
Spend over £99 to qualify for PayPal CreditSpend over £99 to qualify for PayPal Credit

Spend over £99 to qualify for PayPal Credit


The time has come to create that garden office, garden gym or extra living space that you've been waiting for with the help of the Forest Melbury - Single Glazed. At 4x3m and offering 10m² of internal space, the Melbury will make you wonder why you didn't get a garden cabin sooner.

Constructed using 34mm thick interlocking logs of kiln-dried timber, the walls of this garden cabin boast traditional log cabin charm as well as a robust, durable build. The floor and roof both consist of 19mm tongue and groove timber boards. Tongue and groove is known for its strength and weather-resistant properties. Ready for years withstanding the weight of furniture and footfall, the floor is further supported by pressure treated floor bearers which offer improved stability and increased resistance to damp.

The modern pent roof of this log cabin has an attractive overhang and is covered with a superior roof felt. Industry standard mineral felt is lighter and usually only lasts 5 years before it needs replacing. This Premium Felt is backed by strong polyester fibres; has twice the rip resistance of standard felt; is heavier at 24kg; and has a life expectancy of 15 years before it needs replacing. You can also upgrade to add Underlay - an underlayer of sand felt which will further enhance the weatherproof qualities and protect the felt above from natural timber movement. The DOUBLE glazed model of this Melbury Log Cabin includes the Premium Felt AND the underlay as standard.

For even stronger felt, opt for our Superior Felt which is 34kg felt, has three times the rip resistance of standard felt and a life expectancy of 20-30 years. This upgrade to Superior Felt also includes free underlay. We do recommend upgrading to a felt with an underlay.

Fitted with a key-operated lock for security, the double doors of this cabin are glazed to also provide light to the interior. Further light is provided by the two long windows to the front of the cabin. A side window with a tilt and turn opening mechanism can be placed on the left or right of the cabin. All the glass is toughened single glazing. A double glazed Melbury model, offering improved sound and heat insulation, is also available.

As with all garden buildings, this log cabin must be assembled on a solid, level surface such as concrete. If you choose to purchase the installation service available for this garden cabin, you will need to ensure the ground and base are prepared beforehand. The timber is supplied untreated so you will need to apply a preservative upon assembly.

If you need any help choosing your dream log cabin, our friendly, UK-based Customer Service Team will be happy to help on 0333 003 0514 or via Live Chat.

We provide delivery FREE to most UK postcodes.

  • 10m²
  • High quality 34mm thick interlocking log walls
  • Robust 19mm tongue & groove roof and floor
  • Pressure treated floor bearers
  • Glazed double doors with rim lock and key
  • 2 long windows to the front with modern tilt and turn opening
  • A third smaller window which can be placed to the left or right of the cabin.
  • Toughened real glass single glazing throughout - a double glazed Melbury model is available.
  • Premium Felt included - tear resistant, polyester-backed roof felt with 15 year life expectancy - further upgrade available
  • Manufactured using FSC certified timber
  • Supplied untreated - a preservative must be applied upon assembly
  • FREE delivery to most UK postcodes


Forest Melbury 4m x 3m Log Cabin (34mm) - Single Glazed Technical Drawing
Brand Forest Garden
Cladding Interlocking logs
Cladding Thickness 34
Construction Type Tongue and Groove
Door Type Double Doors
Size 14' x 11'
Log Thickness 34
Roof Covering 24kg Polyester Felt
Roof Style Pent
Guarantee 1 year
Depth at Base 3000
Depth including Overhang 3690
Height at Highest Point 2420
Width at Base 4000
Width including Overhang 4640
Door Height 1730
Door Width 1400
Glazing Material 4mm Toughened Safety Glass
Locking System Key-operated Lock
Number of Windows 3 windows
Floor Material Tongue & Groove
Floor Thickness 19
Packaged Weight 2500kg
Roof Material Tongue & Groove
Roof Thickness 19

TrustPilot Reviews

Delighting Customers for Over A Decade

From The Supplier: Forest Garden


"We're proud to be the largest and most trusted manufacturer and distributor of garden timber products in the UK" - Forest Garden

Making British Gardens Great


At Forest, we know a fair bit about fences. And sheds for that matter. In fact, we've been one of the UK's most trusted manufacturer and distributor of quality wooden garden products for over 50 years.


With two sawmills in the UK processing locally-sourced timber, and a Head Office in Hartlebury, Worcestershire, you’ll find our range of garden buildings, fencing, decking and decorative structures for sale across many sites online and in over 3,000 retail stores. From the forest to the doorstep, we are involved every step of the way to ensure we bring you the best product and service.


Well made in Britain


The majority of the timber we use is grown and felled from managed UK forests across Scotland and Wales. After felling, the timber is cut and processed in one of our nearby sawmills and taken to our manufacturing operation in the heart of Britain. It is here our skilled workforce proudly produce the widest range of garden buildings, fencing and structures available in the UK.


All of the products that we sell are dispatched from this site. The final part of their journey is managed by our dedicated delivery department who are responsible for distribution direct to customers' homes by our fleet of vehicles.


Home Grown


We're proud to say that the majority of the timber we use is cut in our very own sawmill from trees grown in the UK.


Not only that, but our range is certified by the Forest Stewardship Council and the majority of our products carry the FSC logo - so you know that our timber is ethically sourced from well-managed, sustainable forests that are replanted for future generations.


(Certification number TT-COC-001790, Issue date 5 March 2015)


Helping Everyone Thrive


We like to do our bit for charity and are proud to support Thrive. Thrive uses gardening as therapy to bring about positive changes in the lives of people living with disabilities or ill health, or those who are isolated, disadvantaged or vulnerable.





"We are excited and proud to be a carbon neutral business. We work with Carbon Neutral Britain, the UK’s leading offsetting initiative provider to offset our environmental impact."

- Forest Garden

We Are Now Carbon Neutral!


We believe that a successful business is also a responsible business. This includes being dedicated to playing our part in protecting the environment, supporting our community and making sustainable choices. It also means that we value our colleagues and their welfare, putting policies into practice to make sure we are an employer of choice in our field. For us, this is a passionate commitment that runs through everything we do.


All of us who work with Forest Garden can be proud of what we do and this is embodied in the 3 fundamental principles - Keeping It GreenSupporting Our Colleagues and Supporting Our Community.

Log Cabin Installation


Forest Log Cabin & Garden Office Installation


Forest Garden provide their own expert fitters to install your log cabin. With dedicated experience installing Forest Log Cabins, they will provide a professional service that is second to none. They aim to carry out installation within 10 working days of the delivery of the log cabin and it is usually quicker than this estimate.


After your order, Forest Garden will send you a detailed document covering the requirements of a suitable base for a log cabin.


Forest Garden do not provide a service for the preparation of the base area or for installation of electrics, wi-fi, solar lighting or plastic bases. If you require assistance with these, we recommend the use of for locating a reputable tradesperson in your area. Solar lighting packs are designed to be easy DIY assembly.


If you choose to install the log cabin yourself, you can use the detailed guide which includes step by step images to help you. Forest Garden also have a Technical Helpline if you have any questions along the way.


If you are using an independent tradesperson to install your log cabin, please allow enough time for the log cabin to be delivered and the parts inspected before booking your tradesperson.


Please inform customer service BEFORE you order, if you believe there are restrictions which could impact the delivery and installation of the garden room.


Forest Log Cabin DeliveryForest Log Cabin Delivery
Delivery VanDelivery Van


We offer FREE Delivery to the majority of mainland postcodes but some areas may incur an additional carriage charge (see below). Please use our postcode checker further up the page (below the add to basket button) or within checkout to check delivery is available to your area.

£49.99 - BH, BN, CA, CT, DH, DL, DT, EX, IP, LA, LL, ME, NE, NR, PL, PO, SA, SO, SR, TA, TN, TQ, TS

£119.99 - DD, DG, EH, FK, G, IV2,12-13,30-32,36, KA1-25, KY, ML, PA1-19,21-27,32-33,35-38, PH1-31,36-40,49-50, TD. Please allow an additional 5-10 working days for delivery into these postcode areas.

£124.99 - AB

UK MapUK Map


Your delivery will be made between 8am and 6pm on your pre arranged delivery date; our delivery team will contact you to book via phone.

Our service is a Kerb side pallet drop delivery by a crane off-load vehicle. Unfortunately we will not be able to unpack your log cabin and take your goods to the back of the property. We typically plan to deliver to the front garden or drive.

Log cabins are delivered in two packages, flat packed, direct to your home and supplied with a comprehensive set of instructions to help you get started.

Please Note - delivery is NOT available to the following postcode locations: BT, GY, HS, IM, IV1-11,14-28,40-63, JE, KA26-28, KW, PA20,28-31,34,41-80, PH32-35,41, PO31-41, TR 

This example represents the typical costs of using PayPal Credit as a standard funding method. Interest on your instalment offer is fixed for it's duration. See terms for more details.
Representative Example
  • Purchase Rate 23.9% p.a. (variable)
  • Representative 23.9% APR (variable)
  • Assumed Credit Limit £1200