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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  • Rain Herb Bed - Slimline water butt with planter (290L)

    290L Rain Herb Bed - Slimline water butt with Planter

    £460.00 including VAT
    £383.33 excluding VAT
    This new slimline water butt with integral planter is every gardener's dream! It combines rainwater storage with planting space in a compact and sturdy design. At just 90cm high it will fit under most windows and at just 40cm deep it won't hinder...
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    £460.00 including VAT
    £383.33 excluding VAT
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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 including VAT
    £2,538.33 - £4,513.33 excluding 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...
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    £3,046.00 - £5,416.00 including VAT
    £2,538.33 - £4,513.33 excluding VAT
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  • 32mm Flat bit suitable for drilling a hole in a plastic walled water butt

    32mm Flat Bit

    £7.44 including VAT
    £6.20 excluding 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 including VAT
    £6.20 excluding VAT
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  • 3P Rain Harvesting Pump Kit (components annotated)

    Rain Harvesting Pump Kit

    £640.00 - £680.00 including VAT
    £533.33 - £566.67 excluding 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...
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    £640.00 - £680.00 including VAT
    £533.33 - £566.67 excluding 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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  • Lockable bib tap 3/4" Metal - Side View - Closed

    3/4" Bib Tap - Lockable

    £11.88 including VAT
    £9.90 excluding VAT
    3/4 Inch metal lockable tap. Ideal to prevent unauthorised access to outside taps or drum contents.
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    £11.88 including VAT
    £9.90 excluding VAT
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  • 20000L water tank

    20000L Water Tank - WRAS

    £2,448.00 including VAT
    £2,040.00 excluding 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 including VAT
    £2,040.00 excluding VAT
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  • 10000L water tank

    10000L Water Tank - WRAS

    £1,482.00 including VAT
    £1,235.00 excluding 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 including VAT
    £1,235.00 excluding VAT
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  • 5000L water tank

    5000L Water Tank - WRAS

    £922.74 including VAT
    £768.95 excluding 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 including VAT
    £768.95 excluding VAT
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  • Rainwater Pipe. 25m Roll

    Rainwater Pipe 25mm x 25m

    £75.60 including VAT
    £63.00 excluding 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 including VAT
    £63.00 excluding 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 including VAT
    £39.17 excluding 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 including VAT
    £39.17 excluding 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 including VAT
    £15.50 excluding 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 including VAT
    £15.50 excluding VAT
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  • Utility tank to tank connection kit

    Tank to Tank Connection Kit - 2" Connection

    £9.94 including VAT
    £8.28 excluding 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...
    Qty in Cart: 0
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    £9.94 including VAT
    £8.28 excluding 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 including VAT
    £741.00 excluding 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 including VAT
    £741.00 excluding VAT
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  • 1500 Litre Water Storage Tank with Internal Pump Kit. Free Delivery

    1500 Litre Water Tank System with Internal Pump (Standard)

    Water Tank and Pump Kit (Pump inside Tank) Free delivery to UK Mainland. This Kit includes a powerful submerisble pump and the versatile, space-saving water-tank design of the 1500L Utility Rainwater Tank. The tank gives an enormous rainwater harvesting...
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  • 1500 Litre Water Storage Tank with External Pump Kit. Free Delivery

    1500 Litre Water Tank System with External Pump

    £1,425.00 including VAT
    £1,187.50 excluding VAT
    Water Tank and Pump Kit (Pump outside Tank) Free delivery to UK Mainland. This Kit combines the power of the SteelPump XAJE80B garden pump and the versatile, space-saving water-tank design of the 1500L Utility Rainwater Tank. The tank gives an enormous...
    Qty in Cart: 0
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    £1,425.00 including VAT
    £1,187.50 excluding VAT
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  • Telescopic Extension for the 3P Technik Garden Filter, VF1 Filter, Retention and VF1 Combi Filter.

    Telescopic Extension for VF1 and Garden Filters

    £106.00 including VAT
    £88.33 excluding VAT
    The Telescopic Extension Tube from 3P Technik extends the height of a selection of their Rainwater Harvesting Filters from a minimum of 250mm to up to 750mm. It works with: 1000595 - VF1 Filter, 1000592 - VF1 Combi Filter, 1000630 - Retention...
    Qty in Cart: 0
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    £106.00 including VAT
    £88.33 excluding VAT
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