Water Butts & Garden Watering

Here at Celtic Water we offer a comprehensive range of water butts and garden watering solutions. Water butts help reduce your water usage and help keep your garden thriving.

Rainwater is naturally soft, free from chlorine and other chemicals found in tap water, making it gentler on plants and soil life. It typically has a slightly acidic pH, which helps plants absorb nutrients more effectively.

We have a wide range of water butts particularly specialising in more decorative designs to suit any garden and aesthetic.

Explore our subcategories to find the perfect setup for your garden, from compact water storage options to complete rainwater harvesting kits.

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  • Rainwater Tank Underground with Filter - various capacity tanks from 6000L to 20,000L

    Rainwater Tank Underground with Filter

    £3,046.00 - £5,416.00 Inc. VAT
    £2,538.33 - £4,513.33 Ex. VAT
    These large underground water tanks are prefitted with a 3P Flat Filter so that rainwater from a nearby roof can be pre-filtered before it is stored.  Installing an underground rainwater harvesting tank (with capacities from 6,000L to 20,000L) for...
    Qty in Cart: 0
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    £3,046.00 - £5,416.00 Inc. VAT
    £2,538.33 - £4,513.33 Ex. VAT
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  • 32mm Flat bit suitable for drilling a hole in a plastic walled water butt

    32mm Flat Bit

    £7.44 Inc. VAT
    £6.20 Ex. VAT
    The 32mm Flat Bit is ideal for making a 32mm hole in plastic water butts to take the 32mm hose in the Filter Collector Connecting Hose. It is included in the hose and Filter Collector Kits, however if you need a spare, here it is!
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    £7.44 Inc. VAT
    £6.20 Ex. VAT
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  • 3P Rain Harvesting Pump Kit (components annotated)

    Rain Harvesting Pump Kit

    £640.00 - £680.00 Inc. VAT
    £533.33 - £566.67 Ex. VAT
    The 3P Rain Harvesting Pump Kit is designed to go in a rainwater tank. It is available with different length Pump to Tank Turret Hoses to ensure that you can easily connect up your MDPE pipework at the top of your tank. This easy to install kit consists...
    Qty in Cart: 0
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    £640.00 - £680.00 Inc. VAT
    £533.33 - £566.67 Ex. VAT
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  • 200L Corner Water Butt with planter and stand. Colour: Sandstone.

    200 Litre Corner Water Butt with Stand and Planter

    This space saving 200 litre Corner Water Butt is a must for keen gardeners. The inventive design fits neatly into 90 degree internal corners. It comes complete with a stand and hoselock compatible tap.The planter section at the top has a drain hole. It...
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  • 20000L water tank

    20000L Water Tank - WRAS

    £2,448.00 Inc. VAT
    £2,040.00 Ex. VAT
    WRAS approved 20000L water tank suitable for storing water above ground. It is also ideal for storing rainwater. This black water tank is manufactured in Britain from 100% recycled plastic. It is 2.6m diameter by 4.43m tall. The above ground water tank...
    Qty in Cart: 0
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    £2,448.00 Inc. VAT
    £2,040.00 Ex. VAT
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  • 10000L water tank

    10000L Water Tank - WRAS

    £1,482.00 Inc. VAT
    £1,235.00 Ex. VAT
    WRAS approved 10000L water tank suitable for storing water above ground. It is also ideal for storing rainwater. This black water tank is manufactured in Britain from 100% recycled plastic. It is 2.255m diameter by 3.05m tall. The above ground water tank...
    Qty in Cart: 0
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    £1,482.00 Inc. VAT
    £1,235.00 Ex. VAT
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  • 5000L water tank

    5000L Water Tank - WRAS

    £922.74 Inc. VAT
    £768.95 Ex. VAT
    WRAS Approved 5000L water tank suitable for storing water above ground. It is also ideal for storing rainwater. This black water tank is manufactured in Britain. It is 2.3m diameter by 1.68m tall. The above ground water tank comes with four lifting eyes...
    Qty in Cart: 0
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    £922.74 Inc. VAT
    £768.95 Ex. VAT
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  • Rainwater Pipe. 25m Roll

    Rainwater Pipe 25mm x 25m

    £75.60 Inc. VAT
    £63.00 Ex. VAT
    Water pipe specifically for rainwater delivery in domestic systems. 25mm diameter in 25m coil.This black pipe is colour coded with 4 x green stripes along the length of the pipe. Also the word "RAINWATER" is printed along one side at approx 50cm...
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    £75.60 Inc. VAT
    £63.00 Ex. VAT
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  • Holesaw and Mandrill Set to drill a 76mm hole in your water tank (suitable for the DN50 Grommet).

    Holesaw SET 72mm

    £47.00 Inc. VAT
    £39.17 Ex. VAT
    Holesaw SET 72mm for DN50 seals & 32mm hoses Holesaw with Arbor Mandrel Drill Adaptor, to drill a 76mm diameter hole in thin wall plastic tanks. For use with the Pump to Turret Tank Connector. This size hole is perfect for the 50mm Rubber Grommet...
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    £47.00 Inc. VAT
    £39.17 Ex. VAT
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  • Long Removal Handle for VF1 Volume Filter Inserts and Garden Filter Baskets

    Removal Handle for VF1 and Garden Filter

    £18.60 Inc. VAT
    £15.50 Ex. VAT
    Long handle for the 3P VF1 Volume Filter Insert and Garden Filter Basket. For easy removal of the filter for maintenance in deeper installations. To use with the Garden Filter, simply remove the shorter handle that comes with the filter basket...
    Qty in Cart: 0
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    £18.60 Inc. VAT
    £15.50 Ex. VAT
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  • Utility tank to tank connection kit

    Tank to Tank Connection Kit - 2" Connection

    £9.94 Inc. VAT
    £8.28 Ex. VAT
    2" Tank to Tank Connection Kit This kit links two Utility Tanks together where the water tank has a 2" stub near the bottom of the tank. Idea for situations with some water pressure from standing tanks. Note this kit requires a hole to be drilled into...
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    £9.94 Inc. VAT
    £8.28 Ex. VAT
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  • Rainwater Harvesting Filter Kit for roof areas up to 800m2.

    Rainwater Harvesting Filter Kit for Roofs up to 800m2

    £889.20 Inc. VAT
    £741.00 Ex. VAT
    With good planning and the right components, a rainwater harvesting system can be nearly maintenance free and the rainwater quality ideal for many uses both in the home, workplace or in industry. A good professional system will have four steps of...
    Qty in Cart: 0
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    £889.20 Inc. VAT
    £741.00 Ex. VAT
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Celtic Water is a trading style of Celtic Sustainables Limited. Celtic Sustainables Limited is a company registered in England and Wales with company number 4071622 and registered office at Unit 3 Parc Teifi, Cardigan, Ceredigion, SA43 1EW.