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90mm cavity wall insulation - cavity,
£156.70
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Yuzet wide silver - wide,
£59.99
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Reacticel eurowall plus full - reacticel,
£161.90
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Eco loft insulation roll width - roll,
£34.75
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Vermiculite 100l chimney - vermiculite,
£737.07
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Vermiculite 100 50l - vermiculite, chimney
£50.46
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Recticel 90mm eurowall - eurowall, +
£163.46
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Celotex kingspan cavity - celotex,
£264.00
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Cavity closers multi - 10, x
£101.99
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Cavity closers multi width - closers,
£74.99
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Cavity wall insulation - wall,
£499.00
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Dritherm glass fibre - dritherm,
£705.00
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White polystyrene bead filling - white,
£16.20
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Self adhesive foil thermal - adhesive,
£44.99
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Eco loft insulation roll 570mm - roll,
£43.99
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Double bubble foil heat - bubble,
£55.95
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Knauf earthwool dritherm - earthwool,
£57.15
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Knauf insulation dritherm - knauf,
£61.99
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Dritherm 150mm cavity - dritherm,
£60.00
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Insulated cavity closer 2m - closer, 1.2m
£29.95
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Cavity wall tie - cavity,
£6.50
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Cavity closers multi width - cavity,
£42.99
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90mm full fill cavity - full,
£864.00
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Superglass superwall cavity - superwall,
£37.10
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Dritherm glassfibre cavity - dritherm,
£275.00
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Dritherm glassfibre cavity - dritherm,
£265.00
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Fire rated cavity - fire,
£164.99
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Fire rated cavity closers - rated,
£74.99
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Double aluminium bubble foil - double,
£79.95
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100mm 2400 1200 pir - 100mm,
£38.14
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Self adhesive double - self-adhesive,
£109.95
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Double bubble foil heat - bubble,
£63.59
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Absoft 25mm cavity filler - absoft,
£69.99
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Cavity wall tie insulation - wall,
£16.15
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Isover 100mm cws cavity - isover,
£75.00
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Pack 50cm x - pack,
£19.99
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Cubic white polystyrene - cubic,
£9.15
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Cavity closers multi width - cavity,
£54.99
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Cavity closers multi width - cavity,
£149.99
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Recticel 115mm eurowall g - 115mm, t&g
£179.81
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Timco plastic insulation - timco,
£10.04
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Isover cavity wall insulation - wall,
£588.00
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Dritherm glassfibre cavity - dritherm,
£165.00
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Celotex kingspan cavity - celotex,
£330.00
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Superglass cavity wall - cavity,
£37.10
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Kingspan kooltherm k106 - kooltherm,
£146.61
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Large extratherm cavity wall - large,
£26.70
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Kingspan ecotherm celotex - /,
£33.29
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140mm full fill cavity - 140mm,
£825.60
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Cavity wall fixings - cavity, for
£5.45
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Insulated dpc thermal damp - insulated,
£39.99
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Celotex kingspan cavity - celotex,
£299.00
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Timloc ird80r 80mm cavity - timloc,
£3.84
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Celotex kingspan cavity - kingspan,
£192.00
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Pcs ceiling support - pcs,
£14.79
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Dritherm supaglass fibreglass - dritherm/supaglass,
£425.00
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Manthorpe milticor multiwidth - manthorpe,
£5.99
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Dritherm glass fibre cavity - dritherm,
£512.00
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Dritherm glassfibre cavity - dritherm,
£476.00
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Cavity wall tie - wall, insulation
£6.52
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Cavity wall tie insulation - cavity,
£14.54
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Timco ziel plast - timco, ziel-plast
£8.13
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Timco metal insulation - timco, cavity
£12.00
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Timco ziel plast - ziel-plast, insulation
£8.38
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Siderise cavity - siderise,
£3.50
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Ursa cavity batt - batt, 1350mm
£24.99
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Dritherm 150mm cavity - -,
£564.00
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Timco 85mm insulation - timco,
£21.11
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Pcs ceiling support wire - pcs,
£17.03
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Celotex kingspan cavity - celotex,
£360.00
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Red cavity wall tie - cavity, insulation
£5.44
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Timco metal insulation - insulation, cavity
£17.07
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Dritherm 150mm cavity - 32,
£1548.00
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Dritherm glassfibre cavity - dritherm,
£318.00
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Red cavity wall tie - cavity, insulation
£6.50
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Timco 65mm black insulation - timco,
£19.86
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Timco metal insulation cavity - insulation,
£8.11
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Dritherm glass fibre cavity - dritherm,
£382.00
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Dritherm glassfibre cavity - glassfibre,
£326.00
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Shell dry cavity wall - cavity,
£2.51
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115mm full fill cavity - full,
£840.00
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Cavity wall insulation - wall,
£4.95
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Roll type aluminum foil for - roll-type,
£31.62
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Isover 100mm cws cavity - 32,
£81.50
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Cavity wall pir - 20,
£175.00
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Timco insulation retaining - timco,
£23.88
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Celotex kingspan cavity - celotex,
£235.00
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Multi purpose thermal - multi-purpose,
£3.31
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Dritherm glass fibre cavity - dritherm,
£658.00
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100mm knauf dritherm - knauf, 32
£1120.74
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Insulated plasterboard - insulated, p.i.r
£78.00
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Wall sleeve twin - wall, 45°
£30.00
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Knauf insulation dritherm - knauf,
£70.00
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Cavity wall tie insulation - wall,
£19.99
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Beamshield plus floor
£300.00
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Xps insulation boards 6mm 10mm - insulation,
£24.95
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Looking for more cavity insulation?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 cavity insulation listings currently in our index. Prices range from £2.51 to £1548, with an average of £182.12. 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 cavity insulation →
Try this: insulation boards 25mm | floor insulation | insulated board | loft insulation 200mm | celotex insulation boards 100mm | rockwool loft insulation | rockwool slab | foil insulation | celotex 100mm | seconds insulation boards
Whether you are looking for a brand-new or second-hand cavity insulation, 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 £2.51, while premium listings can reach £1548 — giving you a wide budget spread to work with. The average price of £182.12 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.