UK · Updated 2026 · Buying guide
Surplus Surplus PIR Insulation 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 PIR insulation. 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 PIR insulation
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 | £8.00 per m² | Merchant clearance, palletised |
| Standard graded | £18.00 per m² | Sorted, ready-to-fit stock |
| Heritage / premium | £28 per m² | Character grade, hand-picked |
What to look for in Cardiff PIR insulation
- Kingspan Kooltherm, Celotex GA4000, Recticel Eurothane — factory-fresh over-orders
- Full 1200×2400 boards, uncut, in original packaging
- Same lambda value (0.022 W/mK) as new merchant stock
Why buy surplus PIR insulation in Wales
- 40–60% cheaper than merchant list price
- Immediate collection — no 4-week merchant lead time
- Same fire and thermal certifications as new stock
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 PIR insulation, a hiab drop is usually more economical than multiple van runs.
Frequently asked questions
+What's a fair 2026 price for surplus PIR insulation in Cardiff?
Expect £8.00–£28 per m² depending on grade. City-centre premium runs 5–15% over regional averages.
+Is surplus PIR the same spec as new?
Yes — surplus is factory-fresh, just over-ordered. Same BBA cert and lambda value.
+How long can PIR be stored?
Indefinitely in original wrapping, out of direct sun.
+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.