Mercia Traditional Greenhouse - 4 x 6ft

Mercia Traditional Greenhouse - 4 x 6ft

Product code
Mercia Traditional Greenhouse - 4 x 6ft is rated 3.5 out of 5 by 12.
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Please note this item is excluded from any discount by promotion code or voucher in store and online.

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Free Delivery to most of UK Mainland

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  • Overview
  • Reviews (12)
  • Delivery
  • Returns

Make the most of your garden and outdoor space with this traditional greenhouse from Mercia Garden Products.

Mercia's Apex Greenhouses are fantastic products that feature fixed styrene glazing and opening windows to help lower the temperature within the garden building. This range is built using 12mm shiplap cladding and 44x27mm framing throughout for a stronger and solid build.

The perfect addition to your garden for plant growing and tool storage.

(Please note: Images are dressed and painted for display purposes only. All listed metric dimensions listed below include the roof overhang.)

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 how you like.
  • Self-assembly – This is a two-person job but can be completed without any professional help needed. All assembly instructions are included.


  • 12mm Shiplap cladding
  • Single Door with Turn Button
  • Fixed and Opening Glazed Windows
  • 44x27mm Framing


4x6 - Traditional 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

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 (12)
Rated 3 out of 5 by from Bits missing! I ordered the shed and it arrived with bits missing...and RD were very understanding and courteous...but yet to have a resolution from Mercia the supplier. I have asked for my order to be upgraded to the 6x6ft which I’m happy to pay for...but would like a contribution for installation costs? Also...the 6x6 shed has gone up by £30...which I don’t really want to the delay was not of my making.
Date published: 2021-01-15
Rated 5 out of 5 by from Very efficient service Delivery spot on. I have yet to build the greenhouse, but already have one the same, so am sure I will be happy with it.
Date published: 2020-12-01
Rated 5 out of 5 by from Greenhouse I am pleased at the moment but I haven’t put it together yet I will let you know then ok thank you
Date published: 2020-11-28
Rated 4 out of 5 by from Easy order They had what I wanted in stock, unfortunately it was during covid season so the delivery isn’t here yet, 1st july. Not the companies fault, they where truthful with the expectation but I cannot review the delivery or product. Just that the site was easy to use, true on expected delivery and good email communications.
Date published: 2020-06-17
Rated 1 out of 5 by from Awful experience We both this on 29 March. We waited a couple of weeks for it to be delivered. It arrived with three parts damaged and then we later discovered parts were missing (six in total, but critically including a whole window). We contacted both Robert Dyas and as they were slow to respond, Merica directly. We were promised replacement parts in three weeks (!), which was longer than buying the greenhouse in the first place. We still don't have our replacement parts and the greenhouse is unbuildable. Buy another make from someone else, this has been an ordeal so far and is far from being sorted.
Date published: 2020-05-08
Rated 1 out of 5 by from Unbelievable I have been watching this shed as we are shielding and we are working on the garden I went back to your site to order it today as we have removed our old greenhouse now But I would rather buy plastic than pay the price you have RAISED it to . YOU SHOULD HANG YOUR HEAD IN SHAME
Date published: 2020-05-07
Rated 2 out of 5 by from ok for the price but very tatty pieces of timber I ordered this a few weeks ago and fair enough we have the covid 19 outbreak so delivery was delayed. We were only informed of delivery on the day and the lorry driver would not come down our lane, even though it is accessible for bin lorries, oil tankers and builders lorries. So we had to walk it down piece by piece from the main road - about 200 mtrs. The instructions could be clearer and the uprights for the windows were 10mm too long. Several lengths were warped and split. If it were not for the outbreak we would have returned the whole lot for a refund. We had to supply some extra bits to cover the uprights, on the panels next to the door in fact the whole thing is poor quality. We managed to assemble it after nearly 3 whole days and now it is modified (extra coverings) and painted, it looks ok.
Date published: 2020-04-20
Rated 4 out of 5 by from Reasonable for price. Just finished assembling it. Took longer than expected (four afternoons), mostly due to applying two coats of protective woodcare inside and out before assembly, which, if you have the time I would highly recommend, as it can be applied into all the gaps, if you haven’t got time to do it all, I would definitely recommend doing the roof sections and opening window, then you can remove the protective film from the roof before fitting! Instructions are fairly straightforward. Would recommend fitting door trims after installing the door though, to get a better fit and seal. Some parts were missing: opening window casement stay, one turn button to secure door. Some bags of screws supplied extra. Problems; Roof fascias and finials did not line up correctly, finials also too long, which is a plus really, as they can be cut down to the right angle to line up. Roof sections did not line up (had to unscrew the front of one side from base, to align), no major issues though. I also have noticed that the four lower corner sections are left exposed, the pictures show a long rectangular trim to hide the ends of the five lengths of timber but, however, they don’t show in the parts list anyway!? One plus, I was supplied, in error, with two shed floors of different sizes, (ok if you’ve got room to store them!) which I’m sure will come in handy! Overall, Ok but not fantastic. Managed to assemble on my own, with help from a couple of clamps!
Date published: 2019-09-22
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  • clientName_robertdyas
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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.

FREE Delivery by Friday, 5th Feb. Delivered by our approved supplier MERCIA GARDEN PRODUCTS (DS).



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.