Mercia Pressure Treated Shiplap Apex Windowless Shed - 3 x 5ft

Mercia Pressure Treated Shiplap Apex Windowless Shed - 3 x 5ft

Product code
Mercia Shiplap Apex Windowless Shed - 3 x 5ft is rated 3.3 out of 5 by 3.
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  • Overview
  • Reviews (3)
  • Delivery
  • Returns

These compact Mercia Shiplap Apex Wooden Sheds are the perfect storage solution for households that have a small garden or allotment.

The versatile nature of these apex sheds means that they can be used for something as simple as storage, or as an outdoor bar for family events and BBQs. By installing shelves on the rear wall of these garden sheds, you can create a unique space that can be used to house drinks, ice buckets and beer coolers. 

The walls of these apex sheds have been made from 12mm thick tongue and groove cladding; the interlocking nature of tongue and groove comes together to create a robust panel that is weatherproof.

To ensure these garden buildings are suitable for storing everyday items such as rakes and car washing equipment, the floors and roof have been crafted using 9mm solid sheet board. Featuring a solid 1” x 1” wooden frame, these garden buildings are designed to withstand the harshest of weather conditions. 


Pressure treatment is a high-pressure chemical process designed to preserve exposed timber, by providing optimal protection against insect attack, fungal attack and decay. The pressure treatment process impregnates preservative chemicals deep into the timber fibres to protect it against the elements and help to prolong its life. The whole process takes several weeks, to ensure the timber is fully dried and the chemicals are fully permeated.

What are the benefits?

  • Higher quality and more durable.
  • Garden buildings that are fully protected against rot, fungal decay and insect attack.
  • 15 years anti-rot guarantee as standard.
  • Attractive bronze colour, highlighting the warmth and charm of the timber.

Features and Benefits

  • Storage space – Boasting a traditional apex roof, these shiplap sheds offer plenty of internal head space that is ideal for storing tall items such as sports equipment or gardening tools.
  • Protected – Quality roofing felt is included with these wooden garden building to offer protection against the elements.
  • Secure - A windowless design makes these storage sheds more secure because solid cladding is harder to break into compared to windows.
  • Access – A single door offers convenient access to the contents, ledged framing has been installed on the rear of the door for additional support.


  • 10 Year Anti Rot Guarantee
  • 12mm shiplap cladding
  • 9mm solid sheet board roof & floor that are ideal for general storage
  • Apex style roof
  • Windowless design
  • Single door
  • Roofing felt included for extra protection against the elements
  • 1” x 1” Wooden frame
Name Shiplap Apex Windowless Shed – 3 x 5ft



Base Width




Base Depth


Ridge Height


Eave Height


Internal Width


Internal Depth


Internal Ridge Height


Internal Eave Height



1'' x 1''

Floor & Roof


Bearer Direction

Solid Sheet Material (OSB)

No. of Doors

Left to Right

Door opening width(All dimensions in mm)


Door opening height (All dimensions in mm)


Lock type

Turn Button


Water Based Dip Treatment


10 Year Anti Rot - Requires annual treatment with a high-quality preservative that weatherproofs and protects against rot

View Swift Foundations range of shed bases and roofing kits HERE

Reviews (3)
Rated 4 out of 5 by from Garden Shed I purchased the shed and was given a delivery date 3 weeks. The shed arrived on the required date and was given my 2 hour window. I unpacked the parts and started to build the shed following instructions. Then noticed one eave end was missing. Contracted Mercia who supplied the shed and Jasmyn is organising the replacement. Up side of shed is i choose the thicker panels for quality. Down side door not a great fit it could be a bit wider ant the roof tacks are very small (not good enough) I used some that I had from a previous shed tack where a lot bigger. I have added a extra piece of timber to cover gap to repell water.
Date published: 2021-03-28
Rated 3 out of 5 by from Good design but badly made A number of the wood sections to do not fit correctly and therefore overlap or are too short
Date published: 2021-03-23
Rated 3 out of 5 by from Nearly there Good value- but needed a professional to assemble, and he had to disassemble misplaced rivets and purchase missing facia, Now looks good and much appreciated
Date published: 2021-03-01
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Vendor Direct Products:

This product is delivered for FREE by our approved supplier on a Standard Delivery Service.

Please be aware that we currently cannot arrange for delivery of this product to the following postcodes: AB, FK, HS, IV, KA, KW, PA, PH, ZE, LL58-LL78, IM, TR, BT, PO30-41.



In the UK you have a legal right, under the Consumer Contracts Regulations June 2014, to cancel your order within fourteen (14) days following your receipt of the goods. Refunds for orders cancelled under the provisions of the Consumer Contracts Regulations will be processed in accordance with your legal rights.

You may not cancel orders for the following types of products:

  • Electrical/Technical products which have been unsealed
  • Customised or bespoke Products
  • Anything of a nature that for hygiene or associated health and safety - this includes the Outdoor Spas, Mattresses and Divan Sets
  • Fresh food

Under the Consumer Contracts Regulations June 2014 you have a duty to take reasonable care of Products whilst they are in your possession. You will receive a full refund of the purchase price of the Products.

This is not intended to be a full statement of your rights under the Consumer Contracts Regulations. Full details of your rights are available from your Local Authority’s Trading Standards Office.

How To Return A Product

If you wish to return your item to Robert Dyas, you can do so by the following method:

1. Request a Collection via Robert Dyas Customer Services

Contact our Customer Services team on 0333 103 6677 (Monday- Friday 08:00 - 17:00, Saturday 09:00 - 17:00, Sunday 09:00 - 17:00 - call charges may vary by network) or via email to: [email protected] who will be able to arrange a collection for your item with the supplier. Please ensure that you provide your order number when contacting customer services.

If you are returning the item under your 14 day right to cancel, then a collection charge will be applied:

  • Products < 20kg: £7.50
  • Products > 20kg: £30

If you are not at home when we try to collect we reserve the right to deduct from your refund or charge your credit card the direct costs to us of the failed return in accordance with the Consumer Protection (Distance Selling) Regulations 2000.