House prices in Castle Street, Northampton, NN1
15 homes have sold on Castle Street (NN1) since 1995, the first in 2002. Over the last five years the median sold price was £132,500 from 3 sales, 53% below the Northampton median of £281,000and against £205,000 across NN1. Sales here have been flats 100%.
- Median sold price
- £132,500
- last five years · 3 sales
- Half of sales were above this price, half below
- Price per sq ft
- £220
- based on 3 of 3 sales
- Sales matched to an EPC floor area
- Sales since 1995
- 15
- 0 in the last 12 months
- Latest sale
- £132,500
- 7 Nov 2022
- vs Northampton
- −53%
- Northampton median £281,000
Every sale on Castle Street, NN1
› 19, Doddridge House NN1 2SJ · Flats £132,500· 7 Nov 2022
| 7 Nov 2022 | £132,500 | Flats · Leasehold | 603 sq ft · £220/sq ft | first recorded sale |
› 47, St Peters House NN1 2SH · Flats £127,500· 14 Oct 2022 · 2 sales
| 14 Oct 2022 | £127,500 | Flats · Leasehold | 614 sq ft · £208/sq ft | first recorded sale |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
| 18 Jul 2017 | £112,500 | Flats · Leasehold | 614 sq ft · £183/sq ft | −12% vs 2022 |
› 60, Doddridge House NN1 2SJ · Flats £129,995· 31 Mar 2022
| 31 Mar 2022 | £129,995 | Flats · Leasehold | 592 sq ft · £220/sq ft | first recorded sale |
› 66, Doddridge House NN1 2SJ · Flats £136,000· 21 Oct 2021
| 21 Oct 2021 | £136,000 | Flats · Leasehold | 603 sq ft · £226/sq ft | first recorded sale |
› 42, St Peters House NN1 2SH · Flats £120,000· 27 Sept 2019 · 2 sales
| 27 Sept 2019 | £120,000 | Flats · Leasehold | 753 sq ft · £159/sq ft | first recorded sale |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
| 10 Apr 2014 | £78,500 | Flats · Leasehold | 753 sq ft · £104/sq ft | −35% vs 2019 |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase) — not used in averages. | ||||
› 5, St Peters House NN1 2SH · Flats £125,000· 3 May 2017 · 2 sales
| 3 May 2017 | £125,000 | Flats · Leasehold | 581 sq ft · £215/sq ft | +42% vs 2014 |
| 9 May 2014 | £88,000 | Flats · Leasehold | 581 sq ft · £151/sq ft | first recorded sale |
› 13, St Peters House NN1 2SH · Flats £115,000· 24 Aug 2016 · 3 sales
| 24 Aug 2016 | £115,000 | Flats · Leasehold | 603 sq ft · £191/sq ft | +111% vs 2009 |
| 13 Nov 2009 | £54,500 | Flats · Leasehold | 603 sq ft · £90/sq ft | first recorded sale |
| 17 Jul 2002 | £61,500 | Flats · Leasehold | 603 sq ft · £102/sq ft | −47% vs 2016 |
› 29, St Peters House NN1 2SH · Flats £100,000· 24 Mar 2016
| 24 Mar 2016 | £100,000 | Flats · Leasehold | 603 sq ft · £166/sq ft | first recorded sale |
› 20, St Peters House NN1 2SH · Flats £90,000· 13 Apr 2015
| 13 Apr 2015 | £90,000 | Flats · Leasehold | 603 sq ft · £149/sq ft | first recorded sale |
› 44, St Peters House NN1 2SH · Flats £77,000· 26 Jun 2012 · 3 sales
| 26 Jun 2012 | £77,000 | Flats · Leasehold | 775 sq ft · £99/sq ft | +28% vs 2010 |
| 5 Aug 2010 | £60,000 | Flats · Leasehold | 775 sq ft · £77/sq ft | +58% vs 2004 |
| 29 Nov 2004 | £38,000 | Flats · Leasehold | 775 sq ft | first recorded sale |
› 10, Doddridge House NN1 2SJ · Flats £78,000· 31 Jul 2006
| 31 Jul 2006 | £78,000 | Flats · Leasehold | 624 sq ft · £125/sq ft | first recorded sale |
At your size
A 90 m² (970 sq ft) home in NN1 is worth roughly £197k–£251k at the district's typical £203–£259 per square foot (663 sales, two years) — a range, not a valuation.
Check your addressAll sold prices in Northampton· NN1 district on the Northampton page
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Sources and method. Sales completed to July 2026, as registered by 29 Aug 2026 · headline figures cover the 12 months to May 2026 (later months are still being registered).Next HM Land Registry release ~28 Sept 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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