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UK SDLT — 2026 rates

Stamp duty calculator

Standard bands, additional-property surcharge (5% since Oct 2024), and first-time-buyer relief. Verified against HMRC guidance for 2026.

£

Additional property

Second home / BTL — adds 5% surcharge

First-time buyer

Relief up to £500k (main home only)

Total SDLT payable

£15,000

Effective rate: 6.00%

• Additional-property 5% surcharge applied on full price

Band by band

BandRateTax
£0 – £125,0000%£0
£125,000 – £250,0002%£2,500
Additional-property surcharge5%£12,500

The next step

The numbers work. Now check the pack.

For guidance only, not financial advice. Verify SDLT with HMRC before completion.