House prices in Karsten Avenue, Gainsborough, DN21
12 homes have sold on Karsten Avenue (DN21) since 1995, the first in 2022. Over the last five years the median sold price was £202,495 from 12 sales, 16% above the Gainsborough median of £175,000and against £175,000 across DN21. Sales here have been semi-detached 75%, detached 25%. Homes that sold twice within the last seven years gained a median +0.6% a year between sales.
- Median sold price
- £202,495
- last five years · 12 sales
- Half of sales were above this price, half below
- Price per sq ft
- £235
- based on 12 of 12 sales
- Sales matched to an EPC floor area
- Sales since 1995
- 12
- 1 in the last 12 months
- Latest sale
- £207,500
- 21 Nov 2025
- vs Gainsborough
- +16%
- Gainsborough median £175,000
Every sale on Karsten Avenue, DN21
› 5 DN21 1NB · Semi-detached £207,500· 21 Nov 2025 · 2 sales
| 21 Nov 2025 | £207,500 | Semi-detached · Freehold | 872 sq ft · £238/sq ft | first recorded sale |
| 7 Jul 2022 | £199,995 | Semi-detached · Freehold · New build | 872 sq ft · £229/sq ft | −4% vs 2025 |
› 6 DN21 1NB · Semi-detached £190,000· 8 Nov 2024 · 3 sales
| 8 Nov 2024 | £190,000 | Semi-detached · Freehold | 893 sq ft · £213/sq ft | −7% vs 2022 |
| 20 Oct 2023 | £185,000 | Semi-detached · Freehold | 893 sq ft · £207/sq ft | −3% vs 2024 |
| 17 Jun 2022 | £204,995 | Semi-detached · Freehold · New build | 893 sq ft · £229/sq ft | first recorded sale |
› 2 DN21 1NB · Semi-detached £195,000· 28 Oct 2024 · 2 sales
| 28 Oct 2024 | £195,000 | Semi-detached · Freehold | 678 sq ft · £288/sq ft | first recorded sale |
| 26 May 2022 | £194,500 | Semi-detached · Freehold · New build | 678 sq ft · £287/sq ft | −0% vs 2024 |
› 3 DN21 1NB · Semi-detached £205,000· 31 Mar 2023
| 31 Mar 2023 | £205,000 | Semi-detached · Freehold · New build | 872 sq ft · £235/sq ft | first recorded sale |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase), so not used in averages. | ||||
› 9 DN21 1NB · Detached £294,995· 25 Jul 2022
| 25 Jul 2022 | £294,995 | Detached · Freehold · New build | 1,227 sq ft · £240/sq ft | first recorded sale |
› 7 DN21 1NB · Detached £286,995· 15 Jul 2022
| 15 Jul 2022 | £286,995 | Detached · Freehold · New build | 1,130 sq ft · £254/sq ft | first recorded sale |
› 1 DN21 1NB · Detached £234,995· 1 Jul 2022
| 1 Jul 2022 | £234,995 | Detached · Freehold · New build | 1,066 sq ft · £221/sq ft | first recorded sale |
› 8 DN21 1NB · Semi-detached £206,995· 24 Jun 2022
| 24 Jun 2022 | £206,995 | Semi-detached · Freehold · New build | 893 sq ft · £232/sq ft | first recorded sale |
› 4 DN21 1NB · Semi-detached £184,500· 27 May 2022
| 27 May 2022 | £184,500 | Semi-detached · Freehold · New build | 667 sq ft · £276/sq ft | first recorded sale |
At your size
A 90 m² (970 sq ft) home in DN21 is worth roughly £127k–£217k at the district's typical £131–£224 per square foot (1,129 sales, two years). That is a range, not a valuation.
Check your addressAll sold prices in Gainsborough· DN21 district on the Gainsborough page
Track Karsten Avenue, DN21
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Sources and method. Sales completed to August 2026, as registered by 4 Oct 2026 · headline figures cover the 12 months to June 2026 (later months are still being registered).Next HM Land Registry release ~28 Oct 2026. Medians unless stated; averages only where 30 or more sales. Category A sales only (standard price-paid transactions), houses and flats.
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. Floor areas derived from Energy Performance Certificate data © Crown copyright, licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0.
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