Blagdon's Mayfly 250 Preformed Pond is a robust pond that will swiftly become a thriving aquatic habitat.

It's a great choice if you are interested in having a medium sized first pond with a very natural shape.

Complete with marginal shelves on which a variety of pond plants can be placed.

Mayfly Pond Features:

  • Well Designed
  • Exceptionally Sturdy
  • Easy To Install
  • Versatile Environment


  • 126cm (4ft 1½ins)
  • 84cm (2ft 9ins)
  • 45cm (1ft 5¾ins)
  • 250 litres (55 gallons)
Delivery Information

Fast Free UK Delivery on orders over £60.00.*
Smaller orders under £60.00 are subject to a £4.95 delivery charge. Delivery will typically be made within 2 - 3 working days but may be extended during peak times.

We Can Offer Next Day Delivery for £7.95*
To meet our deadline for this service you must order before 11.00am to ensure delivery for the next working day. This excludes weekends and bank holidays.

*Extra charges or restrictions will apply to certain UK postcodes. These include parts of Scotland, The Highlands, Northern Ireland and offshore Isles. Please note Next Day delivery is not available to these locations. Please click here for a full list of postcode exclusions and contact us today for a personalised quote. 

Customer Reviews

Overall Rating 4.7 / 5 Based On 4 Reviews

Price 4 / 5
Quality 5 / 5
Delivery 5 / 5

Blandford pond

Arrived on time, easy to track. Just got to dig hole a bit bigger now to fit it.

Delivery 5 / 5
Quality 5 / 5
Price 5 / 5

A good pond with useful plant shelves.

I ordered this as a second pond to keep pond weed and snails in. In a short time it was colonised by newts and the birds like it. I actually paid extra for a quick delivery and astonished to find this item delivered four hours later! A decent firm that gives very good service and a credit to good old Britain.

Delivery 5 / 5
Quality 4 / 5
Price 4 / 5

Good starter pond

The pond arrived in good time and met all my expectations. The only problem I have is how the heck do you remove the sticky labels placed on the inside of the pond??? I would have thought that the best place was on the outside so that if there were a problem it would not matter as they would be below ground!! Other than that I am happy with the pond and it looks good in my mini wildlife garden.

We Replied:

Good Day Neil, Thank you for your fantastic review. To comment further about your feedback regarding the shipping labels, we did have a spate of lables which were peeling away from the pond and consequently we had to address this with our courier. It was concluded for us to continue distribution we must place the label on the inside of the pond which to date I have had no further issues. I would rest assured any residue from the label will come off easily with some white spirit or similar and ensure you swill this off to ensure suitability for fish!. Thank you once again and we will forward to future custom. Kind Regards David Coton / Partner

Delivery 4 / 5
Quality 5 / 5
Price 5 / 5

Blagdon Mayfly 250 litre pond

The pond duly arrived on the revised scheduled date and was exactly as pictured on your website. (4* only was as it was not in stock and after the 5 - 7 days wait for you to get it in stock had passed by a few days I had to phone to find out where it was. Given that I had paid about £30 some 25 years ago for the leaking pond that it was replacing, the quality and £74.99 price and free delivery was acceptable but the full price would have been a shade OTT.

Review This Product
Questions and Answers (3)
Shirley Asked:

How many fish can you have in the Mayfly 250 and 500?

We Replied:

Dear Shirley Thank you for your question. This is entirely dependent to what type of fish you want to keep. We would say that the 250 is not big enough for koi and the 500 could only accommodate 3-5 small koi who will need to be re-homed when they get bigger. If you were to keep Goldfish or Sarasa comets, the 250 could house around 10 small fish and the 500 around 20. Should you wish to contact us further or to place an order, please call us on 0121 355 7701. Thank you for using our online Q&A system. Kind regards Dan Everton

Monday 16th, May, 2016
Brian Asked:

What material is the pond made from and what is the thickness of the material?

We Replied:

Dear Brian Thank you for your question. This is made of plastic and is around 2mm thick. Should you wish to contact us further or to place an order, please call us on 0121 355 7701. Thank you for using our online Q&A system. Kind regards Dan Everton

Monday 06th, February, 2017
Mrs Densham Asked:

How big is the pond?

We Replied:

Dear Mrs Densham Thank you for your question. The pond's dimensions are: 126cm (4ft 1½ins) x 84cm (2ft 9ins) x 45cm (1ft 5¾ins) The capacity is: 250 litres (55 gallons) Should you wish to contact us further or to place an order, please call us on 0121 355 7701. Thank you for using our online Q&A system. Kind regards Dan Everton

Friday 10th, July, 2020

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