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Radiator caps

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Home / Plumbing & Fixtures / Radiator caps for sale – 96 used, around £8 | For Sale UK
Lockshield radiator valve - lockshield,

Lockshield radiator valve - lockshield,

£3.99
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White radiator valve - white, caps

White radiator valve - white, caps

£4.99
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Pack 20mm radiator valve - 6,

Pack 20mm radiator valve - 6,

£4.69
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8 10 radiator - 2, 10+

8 10 radiator - 2, 10+

£3.75
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Central heating radiator - central,

Central heating radiator - central,

£8.50
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Radiator valve caps - x,

Radiator valve caps - x,

£8.79
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White radiator valve caps - white,

White radiator valve caps - white,

£6.99
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20mm radiator valve covers - valve,

20mm radiator valve covers - valve,

£4.49
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Central heating radiator - 10,

Central heating radiator - 10,

£10.35
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Replacement white radiator - x,

Replacement white radiator - x,

£9.98
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Stella central heating - ,

Stella central heating - ,

£10.35
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Central heating radiator - x,

Central heating radiator - x,

£10.35
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Central heating radiator - x,

Central heating radiator - x,

£6.48
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Central heating radiator - 5,

Central heating radiator - 5,

£5.45
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Radiator valve caps - valve,

Radiator valve caps - valve,

£3.69
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Universal push fit central - universal,

Universal push fit central - universal,

£7.99
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Central heating radiator - central,

Central heating radiator - central,

£8.50
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Central heating radiator - heating,

Central heating radiator - heating,

£6.95
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20mm radiator valve covers - 20mm,

20mm radiator valve covers - 20mm,

£4.49
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Central heating radiator - 4, x

Central heating radiator - 4, x

£4.45
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Replacement screw down - 5,

Replacement screw down - 5,

£8.98
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Radiator valve caps - x,

Radiator valve caps - x,

£9.99
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Radiator valve caps bespoke - caps,

Radiator valve caps bespoke - caps,

£5.79
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Lockshield radiator valve - lockshield,

Lockshield radiator valve - lockshield,

£12.00
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Replacement screw down - 2,

Replacement screw down - 2,

£7.95
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Central heating radiator - heating,

Central heating radiator - heating,

£5.45
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Central heating radiator - central,

Central heating radiator - central,

£8.15
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Radiator valve cap easy - 10,

Radiator valve cap easy - 10,

£8.70
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Drayton lockshield - x,

Drayton lockshield - x,

£12.00
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Full sets central heating - 5, x

Full sets central heating - 5, x

£10.90
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Full sets central - 4,

Full sets central - 4,

£8.56
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Central heating radiator - x,

Central heating radiator - x,

£8.15
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Grey black radiator valve caps - grey,

Grey black radiator valve caps - grey,

£4.99
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Radiator valve cap - 8,

Radiator valve cap - 8,

£8.59
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Lockshield radiator valve - lockshield,

Lockshield radiator valve - lockshield,

£7.95
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Plastic caps for designer - caps,

Plastic caps for designer - caps,

£5.49
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Adjustable radiator valve - 4,

Adjustable radiator valve - 4,

£7.99
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Radiator valve cap easy - valve,

Radiator valve cap easy - valve,

£5.99
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Radiator valve caps - x,

Radiator valve caps - x,

£7.99
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Full sets central - full, heating

Full sets central - full, heating

£10.90
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Lockshield radiator valve - tc,

Lockshield radiator valve - tc,

£7.95
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Radiator valve lockshield - radiator,

Radiator valve lockshield - radiator,

£4.99
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Lockshield radiator valve - 8,

Lockshield radiator valve - 8,

£5.69
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Full sets central heating - 3,

Full sets central heating - 3,

£6.54
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Universal push fit central - push,

Universal push fit central - push,

£4.75
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Lockshield radiator valve - lockshield,

Lockshield radiator valve - lockshield,

£13.95
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Radiator valve caps - x,

Radiator valve caps - x,

£5.29
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Anthracite grey radiator - 6,

Anthracite grey radiator - 6,

£5.99
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Central heating radiator - x,

Central heating radiator - x,

£12.42
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Central heating radiator - heating,

Central heating radiator - heating,

£3.25
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Radiator valve caps - x,

Radiator valve caps - x,

£5.49
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Radiator valve caps - radiator,

Radiator valve caps - radiator,

£7.99
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Lockshield radiator valve - 8,

Lockshield radiator valve - 8,

£6.69
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Lockshield radiator valve - lockshield,

Lockshield radiator valve - lockshield,

£23.95
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Radiator valve cap easy - x,

Radiator valve cap easy - x,

£3.99
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Pcs internal blanking - 2,

Pcs internal blanking - 2,

£6.63
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Radiator lockshield valve - radiator,

Radiator lockshield valve - radiator,

£3.98
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Honeywell trv radiator - 6, x

Honeywell trv radiator - 6, x

£8.66
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Universal central heating - x,

Universal central heating - x,

£5.45
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Radiator valve caps - 4,

Radiator valve caps - 4,

£8.49
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Radiator valve caps white - 6, x

Radiator valve caps white - 6, x

£6.39
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8 10 radiator - 4, 10+

8 10 radiator - 4, 10+

£4.99
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Radiator valve caps - valve,

Radiator valve caps - valve,

£6.39
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Replacement radiator - x,

Replacement radiator - x,

£8.98
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Radiator valve caps - valve, white

Radiator valve caps - valve, white

£5.29
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Radiator valve caps - radiator,

Radiator valve caps - radiator,

£5.59
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Female blanking cap - female,

Female blanking cap - female,

£3.95
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Matt black cover caps - black, for

Matt black cover caps - black, for

£3.49
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Female blanking caps - x,

Female blanking caps - x,

£4.99
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Brass blanking cap 10pcs - ,

Brass blanking cap 10pcs - ,

£13.99
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Radiator valve caps covers - valve, /

Radiator valve caps covers - valve, /

£5.39
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Central heating radiator - x,

Central heating radiator - x,

£7.93
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Myson matchmaster replica - 6, x

Myson matchmaster replica - 6, x

£10.99
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20mm radiator valve caps - 20mm,

20mm radiator valve caps - 20mm,

£4.43
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Drayton trv radiator - x, valve

Drayton trv radiator - x, valve

£8.66
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Lockshield radiator valve - 4,

Lockshield radiator valve - 4,

£5.44
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Replacement nova radiator - 2,

Replacement nova radiator - 2,

£7.95
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Radiator valve caps - 12,

Radiator valve caps - 12,

£8.89
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Radiator valve caps - radiator,

Radiator valve caps - radiator,

£8.79
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Radiator valve caps - caps, white

Radiator valve caps - caps, white

£5.59
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Plastic caps guard - plastic,

Plastic caps guard - plastic,

£9.99
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Brass bsp blanking cap - *,

Brass bsp blanking cap - *,

£10.00
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Lockshield radiator valve - radiator,

Lockshield radiator valve - radiator,

£6.99
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Pair matt black cover caps - pair,

Pair matt black cover caps - pair,

£3.49
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Replacement white - replacement,

Replacement white - replacement,

£3.79
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Radiator valve caps - radiator,

Radiator valve caps - radiator,

£7.99
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White radiator valve caps - white, –

White radiator valve caps - white, –

£19.99
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Replacement white - 10, x

Replacement white - 10, x

£11.49
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Central heating radiator - x,

Central heating radiator - x,

£16.35
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Central heating radiator - central,

Central heating radiator - central,

£7.64
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Heating element for heated - heating,

Heating element for heated - heating,

£18.49
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Chrome cover cap - for, towel

Chrome cover cap - for, towel

£3.49
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Full sets central heating - 10,

Full sets central heating - 10,

£21.80
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Central heating bleed or - central,

Central heating bleed or - central,

£6.20
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Radiator bleed valve blank - radiator,

Radiator bleed valve blank - radiator,

£13.89
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Translucent white plastic - white,

Translucent white plastic - white,

£12.95
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📊96 listings · from £3.25 · avg £7.98
⚠️ These listings were last updated more than 21 days ago. Search for fresh listings

Browse 96 radiator caps listings currently in our index. Prices range from £3.25 to £23.95, with an average of £7.98. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about radiator caps →

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Everything you need to know about radiator caps

Whether you are looking for a brand-new or second-hand radiator caps, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £3.25, while premium listings can reach £23.95 — giving you a wide budget spread to work with. The average price of £7.98 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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