UK · Updated 2026 · Price comparison
Reclaimed vs New Surplus Rockwool & Mineral Wool in Milton Keynes: 2026 Comparison
Should you buy new or reclaimed mineral wool for your Milton Keynes project? In 2026 the answer increasingly leans reclaimed — cost, planning acceptance and embodied carbon all favour it. Here's the head-to-head for South East buyers.
Cost comparison, 2026
| Grade | Reclaimed | New equivalent |
|---|---|---|
| Job-lot | £12.00 per pack | £22 per pack |
| Standard | £27 per pack | £49 per pack |
| Premium | £42 per pack | £67 per pack |
Quality and spec differences
- Rockwool RWA45, Knauf Earthwool, Isover — sealed factory packs
- Same A1 non-combustible fire rating as new
- Standard 100mm, 150mm and 200mm depths
Carbon comparison
Reclaimed mineral wool carries close to zero embodied carbon vs new manufacture. On a Milton Keynes refurb, choosing reclaimed can offset 3–8 tonnes of CO₂e per property depending on scope.
Planning acceptance in Milton Keynes
Milton Keynes planning officers routinely accept and often require matching reclaimed stock inside conservation areas across South East.
Frequently asked questions
+Is reclaimed always cheaper than new in Milton Keynes?
Almost always for standard grades. Premium heritage grades can approach or exceed new prices when new equivalents don't exist.
+Is surplus mineral wool safe to handle?
Yes with standard PPE — dust mask, gloves and long sleeves.
+Does reclaimed void manufacturer warranties?
New warranties don't apply. Ex-display and surplus stock retains full warranty when unregistered.