Mercia Traditional Tall Wall Greenhouse

Mercia Traditional Tall Wall Greenhouse

Product code
Mercia Traditional Tall Wall Greenhouse is rated 3.6 out of 5 by 25.
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  • Overview
  • Reviews (25)
  • Delivery
  • Returns

This Mercia 6 x 3ft Wooden Victorian Growhouse is the perfect addition to the back yard of an avid gardening enthusiast who doesn’t have much space to spare.

Styrene glazed windows are fitted to allow natural light into the building, encouraging the growth of plants and vegetables. The panels used in this wooden greenhouse are made using 12mm shiplap cladding, the interlocking nature of this construction creates a solid panel that prevents weather getting in and damaging plants and tools. Because the styrene glazed windows are UV treated, there is no need to worry about the panels cracking or discolouring over time; the UV treatment also helps to protect plants inside from harmful rays.

Opening windows feature on top of this growhouse so that gardeners can regulate the temperature inside to suit the produce they are growing.

A classic pent roofline helps with water drainage, an essential feature that prolongs the life of the timber. A savvy gardener can also use this roofline to harvest the rainwater for use on their produce.

Although a coat of treatment is applied in the factory, it is recommended that a second coat is applied upon delivery. A 10-year anti rot guarantee is supplied as standard.

Features and Benefits

  • Durable – This sturdy and strong garden building is constructed from robust timber and joints giving you a long-lasting and resilient structure.
  • Decorate yourself – Paint, stain or leave it natural, this greenhouse gives you the chance to customise it to how your kids want it.
  • Self-assembly – This is a two-person job but can be completed without any professional help needed. All assembly instructions are included.


  • 12mm Interlocking Cladding
  • Styrene Glazed Windows
  • Opening Double Doors
  • Shelving
  • Self-assembly required


Traditional Tall Wall Greenhouse



Base Width




Base Depth


Ridge Height


Eave Height


Internal Width


Internal Depth


Internal Ridge Height


Internal Eave Height



12mm Shiplap

Floor & Roof

Styrene Roof

Door opening width(All dimensions in mm


Door opening height (All dimensions in mm)


Lock type

Tower Bolt


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 (25)
Rated 5 out of 5 by from Really good product Very happy with the grow house. Clear instructions, quality product. Easy to put together and looks great. Perfect for our needs.
Date published: 2021-05-13
Rated 4 out of 5 by from Generally happy overall Does the job but could do with more shelving. One or two panels could have had a bit more care taken during production. Communication from delivery company excellent. Overall we’re happy. Does it’s job.
Date published: 2021-05-12
Rated 2 out of 5 by from Good size I bought this a couple of weeks ago and had a friend assemble it. Most of it went together ok but the doors don’t fit and he had to plane some off the side of one. I was unable to seal the wood and now it has swelled and neither doors close properly. I will need to seal the wood as soon as it has dried out and then take the doors off to seal them and plane some wood of both of them before re-assembling them. Considering the cost of the greenhouse I don’t think I would recommend this product but invest in a more sturdy one.
Date published: 2021-05-10
Rated 3 out of 5 by from Lovely greenhouse but a nightmare to erect Overall, I love my greenhouse and we decided to buy in spite of some poor reviews. However, I should make the following points: 1. There was no clear instruction on how to marry up the sides to the back and we therefore had to guess. 2. Edges of the majority of the pieces were rough; there was no consistency in the wood used as some pieces seemed to be tongue and groove with no explanation. 3. Pre-assembled components were shoddily put together with a nail gun and the doors had to be planed and sanded in order to close. 4. The roof trims were all around 20 cm too long and had to be sawn to the correct length. 5. The treatment of the wood was inconsistent and hadn’t even touched the wood on the bottom part of one of the doors: consequently, when it rained before we had finished, wood swelled and made ill-fitting parts fit even worse. We worked really hard to get this done to a good standard, which we needn’t have done had parts been more professionally and accurately produced. This isn’t a cheap greenhouse and I absolutely love it, but I would expect more professionalism for the money. One plus is that people who comment about the wrong-length screws are not correct. Despite my having bought some 70mm screws, they were not needed.
Date published: 2021-05-10
Rated 3 out of 5 by from Mercia Traditional Tall Wall Greenhouse A little disappointed with the finished quality and the delivery gent was very helpful however, where he placed them (and before I could move them), the window caught the panels and one of my acrylic windows on the front is already broken and there appears no easy way of replacing this. One of the timbers for the doors was badly bowed and the shelving did not fit as the runners were overlong and had to be trimmed and slightly adapted. Overall, not too bad a product and will do the job it is intended for. Sorry as I am not trying to be too negative but relaying the facts.
Date published: 2021-05-10
Rated 1 out of 5 by from The size was close. Extremely poor quality wood and the workmanship even worse.
Date published: 2021-02-21
Rated 3 out of 5 by from poor quality Purchased this a couple of weeks ago. The build quality is poor the side window rattle out of the frame, one of the cross bars on the side panel window support is 4 mm short and the screw thread is visable
Date published: 2021-02-15
Rated 5 out of 5 by from Excellent Greenhouse It took me a long time to find the right greenhouse to fit a small space. Price and delivery were excellent. Although I was inexperienced, I built it myself and was very pleased with the result.
Date published: 2021-01-27
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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.