Market analysis
The average home in the DN21 postcode area, part of Gainsborough, has sold for £173,971 — 36% below the UK average of £271,295. The median sold price, less skewed by the most expensive sales, is £139,995. In 2025, the most recent complete year, prices fell 5.3% year on year, from £203,231 to £192,491. Since 2015, average values here have grown by 33%.
Terraced houses are the most commonly sold property type in DN21, making up 36% of the 23,492 transactions on record. In all, 23,492 sales have been registered here since 1995, within North Lincolnshire, Lincolnshire. Buyers weighing up DN21 commonly compare it with neighbouring DN1, DN10, DN11.
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Property Value Trends
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Market Summary
Higher-value properties pull the average above median, indicating a mixed market.
Property Types
Recent Registered Sales
HM Land Registry| Property Type | Address | Sale Date | Price Paid |
|---|---|---|---|
| Detached | 40, RAVENDALE ROAD DN21 1XA | 26-06-2026 | £198,000 |
| Terraced | 26, COLVILLE TERRACE DN21 2AA | 24-06-2026 | £97,500 |
| Terraced | 12, THE AVENUE, BLYTON DN21 3NL | 23-06-2026 | £185,000 |
| Semi-Detached | 21, BREWSTER ROAD DN21 1ZA | 19-06-2026 | £200,000 |
| Terraced | 27, TEALBY CLOSE DN21 1SF | 17-06-2026 | £90,000 |
| Detached | 24, ASTLEY CRESCENT, SCOTTER DN21 3SL | 15-06-2026 | £395,000 |
| Semi-Detached | 38, MARLOW ROAD DN21 1YG | 12-06-2026 | £230,000 |
| Semi-Detached | 10, BRAMLEY COURT DN21 1PE | 12-06-2026 | £173,000 |
| Flat | GRANARY WHARF, APARTMENT 46, BRIDGE STREET DN21 2AT | 12-06-2026 | £95,000 |
| Detached | 37, RICHDALE AVENUE, KIRTON LINDSEY DN21 4BL | 12-06-2026 | £273,000 |
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About this data
Averages and medians on this page cover the 9,256 sales registered in DN21 since 2015, so they reflect the current market rather than three decades of it. The 23,492 figure is every sale since records begin in 1995, and the yearly chart uses each year's own sales. Prices are what buyers actually paid, as registered with HM Land Registry — not asking prices or estimates. Scotland and Northern Ireland are not in this dataset; see Scotland and Northern Ireland.