Band-by-Band Calculation for £1,500,000
SDLT is calculated in stepped progressive slices across each statutory rate band:
| SDLT Band | Statutory Rate | Taxable Portion | SDLT Due |
|---|---|---|---|
| Up to £125,000 | 0% | £125,000 | £0 |
| £125,001 to £250,000 | 2% | £125,000 | £2,500 |
| £250,001 to £925,000 | 5% | £675,000 | £33,750 |
| £925,001 to £1,500,000 | 10% | £575,000 | £57,500 |
| Total Standard SDLT Liability | £93,750 | ||
£1,500,000 Mortgage & Affordability Context
Estimated 10% Deposit
£150,000
Upfront cash required
Est. Monthly Mortgage
£6,720/mo
At ~4.5% over 25 years
Household Income Needed
~£300,000/yr
At typical 4.5x lending cap
Upfront Total Cash
£243,750
10% Deposit + Standard SDLT