UK · Updated 2026 · How-to
Surplus PIR Insulation for HMO & BTR Refurbs in London: 2026 Trade Guide
HMO and BTR operators in London face relentless refurb cycles. Surplus PIR insulation can bring per-unit costs down 30–50%. Here's the 2026 sourcing playbook across Greater London.
HMO refurb sourcing checklist
- Standing order with Greater London clearance yards
- Bulk buys inside N, E, SE and SW postcodes to cut delivery frequency
- Match spec across portfolio to simplify snagging
- Trade-only alerts on new stock
London per-unit cost impact
| 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 |
Compliance for rental refurbs
- FD30 rated doors on escape routes
- Fire-line plasterboard on partition walls
- PIR to current U-value regs on external elements
- PAT-tested appliances where applicable
Turnaround pace in London
Efficient HMO operators in London rotate units in 5–10 days. Surplus stock held on standing order removes 2–4 days of merchant lead time per changeover.
Frequently asked questions
+Do surplus materials meet HMO regs?
Yes when the base spec is correct — fire-line, FD30, U-value. Verify with your compliance officer per unit.
+Is surplus PIR the same spec as new?
Yes — surplus is factory-fresh, just over-ordered. Same BBA cert and lambda value.
+Can I claim capital allowances?
Yes — HMO refurb capital expenditure qualifies whether the materials are new or surplus.
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