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  • Timber 2 bay composter from vegetable growing experts quickcrop
  • Front brackets quickcrop compost system
  • Compost maturing in wooden compost bin
  • Compost bin with removeabe front
View Double Bay Easy Access Timber Composter video

Double Bay Easy Access Timber Composter


In a nutshell....

This is a double bay unit from our famous New Zealand Box system. The kit builds a composter measuring 180cm (6ft) by 90cm by 120cm (4ft) high. Also features our unique brackets enabling you to easily remove the front of the composter for easy emptying.

N.B. the image features the 3 bay 5ft version of the compost bin, this product is the 2 bay 4ft version. The build is exactly the same, just 2 bays instead of 3 pictured. More detailed photos to follow.

Our 2 bay composters are built around the 'New Zealand Box' method where the compost materials are mixed by moving them from one bay to another. This method mixes the material, adds air and ultimately results in a fine grade finished compost for use in your vegetable garden.

The unit is made up of sturdy 3 inch square (7.5cm) corner posts with timbers permanently fixed to the back and sides of the unit. The centre posts also feature an internal groove which allows the dividing wall to be added and removed easily when moving material from one side to the other. Our composters also include our unique bracket system on the front of the box which allows the retaining boards to be removed for filling and emptying the bin; our system even allows you to remove the bottom row of boards without removing the top!

The corner fixing posts are designed to be buried in the ground but can also be easily modifies to suit placing on a hard surface. Please contact us if this is a requirement for your garden.

Our wooden composters are the most forgiving type of bin as the increased air circulation afforded by the slatted sides means you need not be as careful with your mix as you would with a closed plastic unit.

The Kit features as follows:

5 no. 180cm (6ft) by 17.5cm tall treated timber boards.
16 no. 90cm (3ft) by 17.5cm tall treated timber boards.
6 no. 7.5cm (3inch) square and 5ft high treated timber corner posts.
14 no. 85cm (2ft 9inch) by 15cm (6 inch) tall treated timber boards for removable front slats.
28 no. Heavy duty injection moulded fixing brackets.
70 no. 5.0 x 60 Self tapping wood screws.
56 no. 4.0 x 30 Self tapping wood screws.
1 no. 180cm (3ft) 3in x 2in Joining rail.

Click the link below for Assembly Instructions:

Double Bay Composter Assembly Instructions

Mounting Bracket Templates:

LH Mounting Bracket Template

RH Mounting Bracket Template


Write a Review
Rebecca O'Neill
March 30th, 2020
It is a project to build, took us about a day. We are delighted with the results, very sturdy and the removable slats at the front made loading it up quick and easy. Looking forward to my first batch of compost in the next year!
Kenny Dolan
February 14th, 2020
Very good it's like a big project, which I wasnt ready for I suppose. Once you got it together I was happy but not until then. Good stuff.
P Farrelly
January 17th, 2020
John G.
January 17th, 2020
We went for this double com bin as not enough space where we need to put it. Self explanatory really for assembly and looks a real part of the garden now.
Niall Diamond
December 04th, 2019
The video was a great help. All working well now
Kate Clarke
October 11th, 2019
Bought after seeing your blog on it. Great job.
Clare Love
August 16th, 2016
Got this baby built in one day. It's higher than I had "imagined". Very sturdy wood so it might outlive me. The removable front slats are great for easy access. Just need to start filling it now.
Ask a Question
Asked By Teresa Heffernan
on July 10th, 2020
Hi, What is the capacity in ltrs please? Many thanks, Teresa
Answered by Niall
on July 10th, 2020
Hi Teresa We have never actually worked this out however if i was to take a guess based on the Treble bay i have i would say roughly 800 litres per bay when completely full Niall Quickcrop
Asked By Mary
on April 11th, 2020
Hi when will these be back in stock?
Answered by Niall
on April 11th, 2020
Hi Mary In 2 weeks time Niall Quickcrop
Asked By Daithi F
on March 27th, 2020
From the instructions it looks like there are 2 versions. (extended posts and non-extended posts)Does this version come with the extended posts that require to be set in the ground?
Answered by Andrew
on March 27th, 2020
This version comes with the non extended posts that sit on the ground
Asked By Erin E.
on April 18th, 2019
Your list of materials includes “treated” timber boards/posts. How & with what are they treated? If pressure treated with chemicals, do you have any concern these chemicals will make it to the compost, that will eventually make it to the veg garden?
Answered by Niall
on April 18th, 2019
Hi Erin The boards we use are treated with Tanalith E which is certified by the Soil Association as fine to use when growing food so the same would apply to compost. I grow organically and use this compost system Regards Niall Quickcrop
Asked By Gerry Mac Ruairc
on January 06th, 2019
Hi there Andrew How long does it take the compost to rot so that it can be used Going for a two compartment type system typically how long would it need to spend in both Many thanks Gerry
Answered by Niall
on January 07th, 2019
Hi Gerry If you get the mix right in the compost bin then the compost will be ready in roughly 12 weeks using the two bay system. The advantage of the two or three bay system is that you can turn the compost every 3/4 weeks. This speeds up the process an awful lot Regards Niall Quickcrop
Asked By Ryan
on March 27th, 2018
Cannot find the mounting brackets for purchasing? Or can we not purchase them speedster?
Answered by Niall
on March 28th, 2018
Hi Ryan We don't presently sell them on their own however we may be in a position to do so in the coming weeks as we have a new supplier coming on board in a few weeks time Regards Niall Quickcrop
Asked By Joe
on December 06th, 2016
Hi there, You mention that they are designed for posts to be dug into the ground but can be modified for placement on a 'hard surface'. Why is a hard surface necessary? Can it not just sit on the ground? Best regards Joe
Answered by Andrew
on December 07th, 2016
Hi Joe. The hard surface is only a suggestion as it makes it easier to dig out the compost. You can sit them directly on to a flat area of lawn etc
Asked By Paul Duggan
on August 31st, 2016
Do you sell lids for the wooden composters - would be a necessity I think, even in sunny Meath.
Answered by Andrew
on September 01st, 2016
Hi Paul. Thank you for your question. We don't sell lids for them at present but we are looking at it. Our experience is they don't need a lid as the biggest issue with composting is it can dry out and hence no need for a lid however it is something we have been asked for before so we will look in to it in the next few weeks.
Asked By Peter Bustin
on October 14th, 2015
It would be really useful if you supplied just the brackets for those of us who would like to source the wood ourselves.
Answered by Andrew
on October 14th, 2015
They will be added to our site shortly.

Quickcrop European deliveries

All Standard Quickcrop Deliveries only €3.95, heavy goods deliveries only €9.95

All our deliveries are only €3.95 no matter how many products we deliver anywhere in Ireland. For heavy items like ponds or furniture we charge only €9.95 per complete order. We also deliver to the UK and other European countries, please see our delivery rates below. Our flat delivery rate is an absolute bargain and is far cheaper than any of our competitors, please take this into account when comparing product prices.

N.B. The current lead times for raised beds is 7-10 working days.

Quickcrop Deliveries

Heavy goods deliveries
For heavy furniture or pond deliveries we charge an extra €5.00 to our standard delivery rate. Our rates below are our standard rates, please add €5.00 for heavy goods. All delivery rates are automatically added to your order when you add a product to your cart.

Where do we deliver to?
We deliver nationwide to the island of Ireland, the U.K., Austria, Benelux Countries, France, Germany and Switzerland. Please see our delivery rates below:

€3.95 - The Island of Ireland

€12.95 - The United Kingdom (Highlands and Islands may incur a surcharge, please contact us on 353 1524 0884 for details)

€14.95 - Austria, Belguim, The Netherlands, Luxembourg, Denmark, France, Germany, Switzerland.

How long does it take?
Stock permitting we aim to dispatch your goods within 2 working days of receiving your order. However with our wood products please allow 10 to 14 days for delivery plus due to delays in courier services add another 2 - 3 days for Irish and UK orders, and up to 8 working days for other European destinations.

What If I'm not in at time of delivery?
The driver will leave a note with the depot contact number. Delivery can be arranged for the next day or a later date.

I'm ordering several items, do they all arrive at the same time?
All items dispatched at the same time will normally be delivered in one delivery. The exceptions are bulk bags of soil or compost which comes in a separate delivery using a different delivery company and raised beds kits which may arrive in two separate deliveries.

What if my parcel is damaged or I wish to return the goods I have ordered?
Contact our office on 01 524 0884 and we will arrange collection and refund or replacement of faulty or damaged goods.

If you wish to return goods for any reason other than damaged or faulty items please return the item to us at the following address and we will organise a refund. Goods must be undamaged and in their original packaging. Please take care when parceling returned goods to ensure it reaches us in good condition.

Our returns address is: Quickcrop ltd., Unit 4, Ballymote Industrial Estate, Ballymote, Co.Sligo.


If you are unsure about any aspect of our delivery service we're always delighted to take your call in the office on: 01 524 0884

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Double Bay Easy Access Timber Composter
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