UK · Updated 2026 · Price comparison
Surplus Rockwool & Mineral Wool Prices in Cardiff 2026: Full Rate Card
Live 2026 pricing for mineral wool in Cardiff, sampled across yards inside CF10, CF11 and CF14 and merchant clearance data. Use this as a benchmark before you list, buy or budget a Wales project.
Cardiff rate card, Q1 2026
| Grade | Typical price | Notes |
|---|---|---|
| Job-lot / bulk | £12.00 per pack | Merchant clearance, palletised |
| Standard graded | £27 per pack | Sorted, ready-to-fit stock |
| Heritage / premium | £42 per pack | Character grade, hand-picked |
Regional price drivers
- Wales demolition volume
- Merchant over-order cycles
- Conservation demand around heritage postcodes
- Delivery cost from adjacent regions
New vs surplus in Cardiff
New mineral wool through Cardiff merchants typically costs 40–70% more than surplus equivalents at similar spec. Reclaimed heritage grades can command a premium over new when planning specifies matching stock.
How to negotiate on Cardiff listings
- Volume trumps price — offer to take the whole pallet
- Same-day collection with cash-on-collection saves 5–10%
- Bundle with other categories from the same seller
- Weekday collections beat weekends
Frequently asked questions
+Have mineral wool prices risen in Cardiff?
Modest inflation in 2025 has flattened in 2026 thanks to increased surplus supply across Wales.
+Can mineral wool get wet?
Recovers if it dries fully within 48 hours. Prolonged saturation permanently reduces R-value.
+Do prices vary by Cardiff postcode?
Yes — inner-city collection premiums of 5–15% apply in CF10, CF11 and CF14.
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