Mercia 4m x 4m Corner Log Cabin (28mm) - Double Glazed

Product Code: BFD26207

Turn a tired, old corner of your garden into a contemporary outdoor retreat, with this large log cabin. Its attractive design, including extensive glazing, makes this a wonderful garden room in which to unwind.

  • Built in Great Britain from 28mm interlocking log boards on a 27mm x 44mm frame
  • 16mm tongue and groove floor
  • 16mm tongue and groove roof with mineral-felt weatherproof cover
  • Partially-glazed double doors with key-operated lock
  • 2 double-glazed, opening windows

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.

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Mercia 4m x 4m Corner Log Cabin (28mm) - Double Glazed Technical Drawing
Brand Mercia
Cladding Interlocking logs
Cladding Thickness 28
Construction Type Interlocking Logs
Door Type Double Doors
Eaves Height 2363
Framing Size 27mm x 44mm
Size 13' x 13'
Ridge Height 2867
Roof Covering Felt
Roof Style Apex
Guarantee 10 years
Depth at Base 3808
Depth including Overhang 4149
Width at Base 3808
Width including Overhang 4092
Door Height 1880
Door Width 1490
Glazing Material Glass
Locking System Lock & Key
Number of Windows 2 windows
Floor Material Tongue and Groove
Floor Thickness 16
Packaged Weight 652kg
Roof Material Tongue and Groove
Roof Thickness 16


Soak up the sights, sounds and smells of your garden inside the Mercia 4m x 4m Corner Log Cabin (28mm) - Double Glazed. Packed full of great features, this garden cabin will make your free time more comfortable and enjoyable than ever.

Premium Build

Expertly built in Great Britain, from 28mm interlocking log boards on a strapping 27mm x 44mm frame, this large log cabin is robust, durable, and very well insulated.

The floor is constructed from super-thick 16mm tongue and groove, so will comfortably accommodate your heavier furniture, while withstanding regular footfall without complaint. The roof is also made from superior 16mm tongue and groove. It features an attractive apex design and premium mineral felt cover to ensure the interior remains completely protected from the elements.

All of the timber used to build this log cabin is FSC®-certified, which is the only wood-certification scheme endorsed by all the major environmental charities.

Double Doors and Opening Windows

You can gain easy access to this log cabin through partially-glazed double doors. These doors are fitted with a sturdy handle and key-operated lock, so rest assured that your valuable items will remain safe from unwanted attention.

Together with the glazed doors, 2 large windows bathe the interior in natural light. They are both openers too, so you can ventilate the cabin, whenever you require. Double glazing is supplied as standard to ensure unbeatable insulation and soundproofing.

Log Cabin Installation and Maintenance

You should instal this corner cabin on a firm, level base. Clear instructions and a full set of fixings are supplied to help you achieve a straightforward assembly. Alternatively, why not hire our professional installation service as an optional extra, so the work is done for you, while you relax?

This garden cabin is delivered untreated and with a superb 10-year anti-rot guarantee. You must coat the wood with a high-quality preservative and waterproofing treatment upon assembly, and annually thereafter, to protect it from rot, prevent water ingress, and validate the guarantee. Paint can be applied for a more individual look, if desired.

Choice of Cladding/ Sizes and Free Delivery

You can purchase this corner summerhouse/ log cabin with 28mm, 34mm or 44mm cladding. There is also a choice of sizes.

Free delivery is available to most UK postcodes.

Transform your Mercia log cabin with an incredibly stylish log cabin bar! Featuring an L-shaped design and spacious bar top, it is built in Great Britain from FSC®-certified 19mm tongue & groove. This log cabin bar measures 180cm x 120cm and is supplied with a 10-year anti-rot guarantee.

  • Superb 10-year anti-rot guarantee
  • Built in Great Britain from 28mm interlocking log boards
  • Strapping 27mm x 44mm supporting frame
  • 16mm tongue and groove floor
  • 16mm tongue and groove roof with mineral-felt weatherproof cover
  • Partially-glazed double doors with key-operated lock
  • 2 double-glazed, opening windows
  • FSC®-certified wood
  • Choose from 28mm, 34mm or 44mm cladding, and a range of sizes
  • Hire our professional installation service as an optional upgrade
  • Delivered untreated – apply wood preservative and waterproofing treatment annually
  • Free delivery to most UK postcodes

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Log Cabin Installation

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Mercia has a team of trained installers who can carry out your log cabin installation for a professional, hassle-free assembly. Their dedicated training to installing Mercia Log Cabins ensures an expert finish.


Please be aware that the delivery and installation will not occur on the same day but will be scheduled very close together where possible.


The fitters will require at least 60cm/24” on each side of the base to carry out the installation. The base should be level and on firm ground. Mercia recommend that the base be very slightly smaller than the external measurement of the building to create a run off for water and that the door be at least 25mm above ground level to prevent flooding.


Mercia 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.


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


Mercia DeliveryMercia Delivery
Delivery VanDelivery Van


We offer FREE delivery to the majority of mainland UK postcodes but some areas may incur an additional carriage charge (see below) and some postcode areas are not covered at all. Please use our postcode checker above to check delivery is available to your area.

£64.99 - CF, DD, DG, DT, EH, EX, FK, G, KA1-26,29-30, KY, LD, LL, ML, PL, SA, SY, TA, TD, TQ

£94.99 - AB, PA1-19,21-40, PH1-41,49-50, TR1-20

£124.99 - IV1-40,63, KW1-14

Please note - delivery is NOT available to Northern Ireland (BT1-99), the Channel Islands (GY1-9 and JE1-5), Isle of Man (IM1-9), Isle of Wight (PO30-41,49), Isles of Scilly (TR21-25) and Scottish Islands (HS1-9, IV41-56, KA27-28, PA20,41-80, PH42-44, KW15-17, ZE1-3).

UK MapUK Map

Delivery to every area of the UK cannot be made every day. Some postcodes fall into an extended delivery lead time area. The extended delivery lead time will be in addition to the typical lead time stated. If your postcode falls into one of the extended lead time areas then the delivery team will be contacting you to arrange an appropriate delivery date.

If you will be unavailable on the day of delivery the driver can attempt to leave your order in a safe place, please indicate this when selecting your delivery as re-delivery charges may be levied if delivery fails on the agreed date. If you haven't already selected your delivery day, our delivery team will contact you to arrange an acceptable delivery date based on the typical lead time stated for the product.

Please allow 6 - 8 weeks for delivery if adding installation.

Upon Delivery:

Delivery VanDelivery Van

Delivery of this item is typically made by a 7.5 ton flat-bed (similar size to a council refuse lorry) up to an 18 ton lorry (similar size to a removals lorry). Delivery is typically between 7am and 7pm. Unfortunately, we are unable to specify a timed delivery.

This product is delivered in a flat packed, sectional format direct from the manufacturer to your home with full instructions ready for DIY assembly.

The delivery drivers are only insured to deliver to kerb side or driveway. We would not risk damaging your property whilst delivering a product to an unsafe location. Unfortunately we will not be able to go through your property. Please note that some buildings will not pass through standard doorways in houses. Please call to seek advice if there are any access concerns.

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  • Representative 23.9% APR (variable)
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