UK · Updated 2026 · How-to
Reclaimed Granite Setts for HMO & BTR Refurbs in Cardiff: 2026 Trade Guide
HMO and BTR operators in Cardiff face relentless refurb cycles. Surplus granite setts can bring per-unit costs down 30–50%. Here's the 2026 sourcing playbook across Wales.
HMO refurb sourcing checklist
- Standing order with Wales clearance yards
- Bulk buys inside CF10, CF11 and CF14 to cut delivery frequency
- Match spec across portfolio to simplify snagging
- Trade-only alerts on new stock
Cardiff per-unit cost impact
| Grade | Typical price | Notes |
|---|---|---|
| Job-lot / bulk | £65 per m² | Merchant clearance, palletised |
| Standard graded | £98 per m² | Sorted, ready-to-fit stock |
| Heritage / premium | £130 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 Cardiff
Efficient HMO operators in Cardiff 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.
+How much bedding depth for granite setts?
50mm sharp sand on a compacted MOT sub-base, with jointing sand brushed in.
+Can I claim capital allowances?
Yes — HMO refurb capital expenditure qualifies whether the materials are new or surplus.
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