UK · Updated 2026 · Buying guide
Surplus Surplus Rockwool & Mineral Wool in Cardiff: 2026 Prices, Sellers and Delivery
Cardiff is the Welsh capital's fast-growing renovation market. That makes it one of the UK's best cities to source surplus and reclaimed mineral wool. This guide covers 2026 Cardiff pricing, where the Wales supply concentrates, and how to collect or arrange delivery on the same or next working day.
2026 Cardiff prices for surplus mineral wool
Prices below reflect live SurplusBuilder listings inside CF10, CF11 and CF14 plus data from three regional yards, sampled 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 |
What to look for in Cardiff mineral wool
- Rockwool RWA45, Knauf Earthwool, Isover — sealed factory packs
- Same A1 non-combustible fire rating as new
- Standard 100mm, 150mm and 200mm depths
Why buy surplus mineral wool in Wales
- 30–50% cheaper than merchant list
- Immediate collection for large studwork jobs
- Same BS EN 13162 certification
Collection and delivery inside Cardiff
Most Cardiff sellers hold stock inside CF10, CF11 and CF14 and offer South Wales next-day £48–£75. For loads over a tonne of mineral wool, a hiab drop is usually more economical than multiple van runs.
Frequently asked questions
+What's a fair 2026 price for surplus mineral wool in Cardiff?
Expect £12.00–£42 per pack depending on grade. City-centre premium runs 5–15% over regional averages.
+Is surplus mineral wool safe to handle?
Yes with standard PPE — dust mask, gloves and long sleeves.
+Can mineral wool get wet?
Recovers if it dries fully within 48 hours. Prolonged saturation permanently reduces R-value.
+How fast can I collect from a Cardiff seller?
Most listings inside CF10, CF11 and CF14 allow same or next-working-day collection. Delivery: South Wales next-day £48–£75.