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Under floor insulation

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Under floor insulation for sale on largest auction and classifieds sites

Home / Insulation Materials / Under floor insulation refurbished & used for sale | For Sale UK
Tile backer board 6mm 10mm - backer,

Tile backer board 6mm 10mm - backer,

£4.99
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Tile backer boards - tile,

Tile backer boards - tile,

£17.39
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Xps insulation board under - board,

Xps insulation board under - board,

£24.95
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Xps insulation boards for - insulation,

Xps insulation boards for - insulation,

£116.99
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Xps insulation boards - boards, for

Xps insulation boards - boards, for

£1.99
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Xps insulation boards 1200 - boards, x

Xps insulation boards 1200 - boards, x

£20.79
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Xps insulation boards 6mm 10mm - boards,

Xps insulation boards 6mm 10mm - boards,

£13.99
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Tile backer board insulation - ,

Tile backer board insulation - ,

£10.99
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Xps insulation board for - board,

Xps insulation board for - board,

£12.99
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Tile backer board 6mm - backer,

Tile backer board 6mm - backer,

£4.99
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Kingspan thermawall multi - thermawall,

Kingspan thermawall multi - thermawall,

£32.79
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50mm xps insulation - xps,

50mm xps insulation - xps,

£15.49
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6mm 10mm underfloor under - 10mm,

6mm 10mm underfloor under - 10mm,

£31.65
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10x cement coated - 10x,

10x cement coated - 10x,

£129.99
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Underfloor heating edge - heating,

Underfloor heating edge - heating,

£17.50
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Waterproof membrane wet room - wet,

Waterproof membrane wet room - wet,

£35.99
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40mm xps insulation - 40mm, boards

40mm xps insulation - 40mm, boards

£13.49
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Underfloor heating retro edge - heating,

Underfloor heating retro edge - heating,

£28.00
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Under tile insulation boards - insulation,

Under tile insulation boards - insulation,

£1.58
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Underfloor heating edge - heating,

Underfloor heating edge - heating,

£600.00
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30mm xps insulation boards - insulation,

30mm xps insulation boards - insulation,

£11.99
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Underlay insulation for wood - insulation,

Underlay insulation for wood - insulation,

£41.99
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Ufh superfoil underfloor - superfoil,

Ufh superfoil underfloor - superfoil,

£21.14
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10m roll under - 10m,

10m roll under - 10m,

£11.99
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Underfloor heating retro - heating,

Underfloor heating retro - heating,

£16.00
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Xps insulation board for - xps,

Xps insulation board for - xps,

£7.79
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Xps boards for underfloor - for,

Xps boards for underfloor - for,

£11.35
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Insulation boards thermal xps - insulation,

Insulation boards thermal xps - insulation,

£1.75
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30x sheets peacemat car - xr,

30x sheets peacemat car - xr,

£39.99
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Van insulation foil - foil, foam

Van insulation foil - foil, foam

£55.59
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Peacemat car sound - peacemat, xr

Peacemat car sound - peacemat, xr

£22.99
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Car sound deadening peacemat - car,

Car sound deadening peacemat - car,

£22.99
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Xps insulation board for - board,

Xps insulation board for - board,

£5.99
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Insulation board xps under - insulation,

Insulation board xps under - insulation,

£129.99
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Underfloor insulation heating - underfloor,

Underfloor insulation heating - underfloor,

£24.95
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Xps insulation boards - xps,

Xps insulation boards - xps,

£5.25
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6mm foil backed self adhesive - 6mm,

6mm foil backed self adhesive - 6mm,

£28.99
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Water underfloor heating - underfloor,

Water underfloor heating - underfloor,

£669.99
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Underfloor heating edge - heating, /

Underfloor heating edge - heating, /

£18.00
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Yelofon hd5 under screed - hd5,

Yelofon hd5 under screed - hd5,

£78.70
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Xps insulation boards - boards, for

Xps insulation boards - boards, for

£1.75
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25mm multi purpose insulation - multi,

25mm multi purpose insulation - multi,

£57.99
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Adept white underfloor - adept,

Adept white underfloor - adept,

£22.99
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5mm under floor closed - 2.5mm,

5mm under floor closed - 2.5mm,

£6.00
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Underfloor heating self - underfloor,

Underfloor heating self - underfloor,

£15.99
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Xps boards underlay thermal - boards,

Xps boards underlay thermal - boards,

£9.39
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Xps insulation board - xps,

Xps insulation board - xps,

£13.99
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Impact plus thermal insulation - impact,

Impact plus thermal insulation - impact,

£41.99
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Xps boards 1200 - x, under

Xps boards 1200 - x, under

£77.49
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6mm 10mm underfloor - &,

6mm 10mm underfloor - &,

£58.28
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Underfloor heating edge - underfloor,

Underfloor heating edge - underfloor,

£34.20
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Electric underfloor heating - electric,

Electric underfloor heating - electric,

£4.22
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12mm tile backer board - tile,

12mm tile backer board - tile,

£11.49
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Van insulation foil - van, foam

Van insulation foil - van, foam

£23.99
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Xps boards underfloor - underfloor, heating

Xps boards underfloor - underfloor, heating

£12.04
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Thermopanel 15mm tile - 15mm,

Thermopanel 15mm tile - 15mm,

£12.99
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Cement coated xps underfloor - cement,

Cement coated xps underfloor - cement,

£8.99
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Underfloor aluminium thermal - aluminium,

Underfloor aluminium thermal - aluminium,

£53.99
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Speedfit edge insulation - jg,

Speedfit edge insulation - jg,

£19.36
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10m under bonnet - 10m,

10m under bonnet - 10m,

£20.99
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Underfloor heating edge - underfloor, /

Underfloor heating edge - underfloor, /

£23.58
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Xps insulation boards for - xps,

Xps insulation boards for - xps,

£1.75
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Underfloor heating insulation - heating,

Underfloor heating insulation - heating,

£68.32
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50m under bonnet heat - bonnet,

50m under bonnet heat - bonnet,

£22.89
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Xps insulation boards - insulation, ekoboard

Xps insulation boards - insulation, ekoboard

£5.25
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Tile backer boards - tile,

Tile backer boards - tile,

£14.99
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Campervan insulation foam - insulation,

Campervan insulation foam - insulation,

£0.99
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6mm electric underfloor - 6mm,

6mm electric underfloor - 6mm,

£4.99
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Electric underfloor heating - electric,

Electric underfloor heating - electric,

£3.98
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Xps water underfloor - xps,

Xps water underfloor - xps,

£139.95
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Underfloor heating 50m - heating,

Underfloor heating 50m - heating,

£25.99
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Superfoil sfuf underfloor - sfuf,

Superfoil sfuf underfloor - sfuf,

£141.99
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Xps insulation boards - xps,

Xps insulation boards - xps,

£34.93
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Wall insulation under - insulation,

Wall insulation under - insulation,

£17.54
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Thermosphere concrete - thermosphere,

Thermosphere concrete - thermosphere,

£4.33
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10m under bonnet heat - 10m,

10m under bonnet heat - 10m,

£20.99
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5mm xps underlay for - underlay, or

5mm xps underlay for - underlay, or

£25.99
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Xps insulation boards - 6mm, |

Xps insulation boards - 6mm, |

£4.99
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Tile backer board - tile,

Tile backer board - tile,

£149.90
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6mm tile backer - backer, boards

6mm tile backer - backer, boards

£8.99
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10mm tile backer - tile, floor

10mm tile backer - tile, floor

£9.99
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Tile backer board - backer,

Tile backer board - backer,

£9.29
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Aluminium thermal insulation - thermal,

Aluminium thermal insulation - thermal,

£19.99
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Adept underfloor heating - adept,

Adept underfloor heating - adept,

£18.00
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10m camper van foam - 2-10m,

10m camper van foam - 2-10m,

£11.99
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6mm 10mm xps insulation - insulation, boards

6mm 10mm xps insulation - insulation, boards

£31.45
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10m under bonnet heat - under,

10m under bonnet heat - under,

£20.99
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Under tile insulation boards - under,

Under tile insulation boards - under,

£21.90
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Under bonnet car heat - bonnet,

Under bonnet car heat - bonnet,

£59.86
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Fastwarm 6mm underfloor - fastwarm,

Fastwarm 6mm underfloor - fastwarm,

£5.99
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Insulation boards 25mm - insulation,

Insulation boards 25mm - insulation,

£41.99
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Xps insulation boards electric - xps,

Xps insulation boards electric - xps,

£74.85
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50m under bonnet - 50m,

50m under bonnet - 50m,

£22.89
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Insulation for laminate wood - laminate,,

Insulation for laminate wood - laminate,,

£4.19
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Boat isolator thermal - boat,

Boat isolator thermal - boat,

£39.99
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Underlay underfloor heating - underfloor,

Underlay underfloor heating - underfloor,

£52.70
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Looking for more under floor insulation?

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📊96 listings · from £0.99 · avg £42.09

Browse 96 under floor insulation listings currently in our index. Prices range from £0.99 to £669.99, with an average of £42.09. 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 under floor insulation →

Try this: kingspan 50mm | celotex insulation boards 50mm | kingspan insulation 100mm | rockwool insulation | cavity closers | 100mm insulation boards | insulation 100mm | cavity insulation | insulation boards 25mm | floor insulation

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< £25 £25 – £50 £50 – £100 £100 – £200 £200 – £500 > £500

Everything you need to know about under floor insulation

Whether you are looking for a brand-new or second-hand under floor 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 £0.99, while premium listings can reach £669.99 — giving you a wide budget spread to work with. The average price of £42.09 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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