House prices in Castle Avenue, Northampton, NN5
84 homes have sold on Castle Avenue (NN5) since 1995, the first in 1996. Over the last five years the median sold price was £240,000 from 13 sales, 14% below the Northampton median of £280,000and against £260,152 across NN5. Sales here have been semi-detached 63%, flats 24%, terraced 13%.
- Median sold price
- £240,000
- last five years · 13 sales
- Half of sales were above this price, half below
- Price per sq ft
- £235
- based on 13 of 13 sales
- Sales matched to an EPC floor area
- Sales since 1995
- 84
- 6 in the last 12 months
- Latest sale
- £102,000
- 19 Jun 2026
- vs Northampton
- −14%
- Northampton median £280,000
Every sale on Castle Avenue, NN5
› 76 NN5 6JZ · Flats £102,000· 19 Jun 2026 · 3 sales
| 19 Jun 2026 | £102,000 | Flats · Leasehold | 474 sq ft · £215/sq ft | +28% vs 2007 |
| 15 Jun 2007 | £79,995 | Flats · Leasehold | 474 sq ft · £169/sq ft | +281% vs 1996 |
| 26 Jan 1996 | £21,000 | Flats · Leasehold | 474 sq ft | first recorded sale |
› 58 NN5 6LF · Semi-detached £175,000· 29 May 2026 · 2 sales
| 29 May 2026 | £175,000 | Semi-detached · Freehold | 850 sq ft · £206/sq ft | first recorded sale |
| 28 May 2008 | £120,000 | Semi-detached · Freehold | 850 sq ft · £141/sq ft | −31% vs 2026 |
› 46 NN5 6LF · Semi-detached £320,000· 2 Feb 2026 · 3 sales
| 2 Feb 2026 | £320,000 | Semi-detached · Freehold | 1,227 sq ft · £261/sq ft | +227% vs 2002 |
| 24 Jul 2019 | £250,000 | Semi-detached · Freehold | 1,227 sq ft · £204/sq ft | −22% vs 2026 |
| 21 Jun 2002 | £98,000 | Semi-detached · Freehold | 1,227 sq ft · £80/sq ft | first recorded sale |
› 68 NN5 6LF · Semi-detached £332,000· 27 Nov 2025 · 2 sales
| 27 Nov 2025 | £332,000 | Semi-detached · Freehold | 1,518 sq ft · £219/sq ft | +90% vs 2017 |
| 2 Jun 2017 | £174,995 | Semi-detached · Freehold | 1,518 sq ft · £115/sq ft | first recorded sale |
› 18 NN5 6LF · Semi-detached £240,000· 27 Oct 2025
| 27 Oct 2025 | £240,000 | Semi-detached · Freehold | 807 sq ft · £297/sq ft | first recorded sale |
› 12 NN5 6LF · Semi-detached £265,000· 24 Jul 2025 · 3 sales
| 24 Jul 2025 | £265,000 | Semi-detached · Freehold | 990 sq ft · £268/sq ft | +55% vs 2016 |
| 20 May 2016 | £171,000 | Semi-detached · Freehold | 990 sq ft · £173/sq ft | first recorded sale |
| 8 Jan 2008 | £149,000 | Semi-detached · Freehold | 990 sq ft · £150/sq ft | −44% vs 2025 |
› 108 NN5 6JZ · Semi-detached £230,000· 5 Feb 2025
| 5 Feb 2025 | £230,000 | Semi-detached · Freehold | 980 sq ft · £235/sq ft | first recorded sale |
› 44 NN5 6LF · Semi-detached £255,000· 10 Jan 2025
| 10 Jan 2025 | £255,000 | Semi-detached · Freehold | 1,033 sq ft · £247/sq ft | first recorded sale |
› 88 NN5 6JZ · Flats £115,000· 6 Jun 2023 · 4 sales
| 6 Jun 2023 | £115,000 | Flats · Leasehold | 452 sq ft · £254/sq ft | +238% vs 2000 |
| 11 Sept 2001 | £41,000 | Flats · Leasehold | 452 sq ft · £91/sq ft | −64% vs 2023 |
| 4 May 2000 | £34,000 | Flats · Leasehold | 452 sq ft · £75/sq ft | +62% vs 1996 |
| 31 May 1996 | £21,000 | Flats · Leasehold | 452 sq ft | first recorded sale |
› 92 NN5 6JZ · Flats £118,000· 6 Dec 2022 · 3 sales
| 6 Dec 2022 | £118,000 | Flats · Leasehold | 495 sq ft · £238/sq ft | first recorded sale |
| 25 Aug 2004 | £80,000 | Terraced · Leasehold | 495 sq ft · £162/sq ft | +33% vs 2003 |
| 22 Jul 2003 | £60,000 | Terraced · Leasehold | 495 sq ft · £121/sq ft | −49% vs 2022 |
› 72 NN5 6LF · Semi-detached £245,000· 29 Oct 2021
| 29 Oct 2021 | £245,000 | Semi-detached · Freehold | 1,055 sq ft · £232/sq ft | first recorded sale |
› 14 NN5 6LF · Semi-detached £200,000· 24 Sept 2021
| 24 Sept 2021 | £200,000 | Semi-detached · Freehold | 1,152 sq ft · £174/sq ft | first recorded sale |
› 15 NN5 6LG · Semi-detached £265,000· 30 Jul 2021
| 30 Jul 2021 | £265,000 | Semi-detached · Freehold | 1,173 sq ft · £226/sq ft | first recorded sale |
› 74 NN5 6JZ · Terraced £100,000· 16 Jun 2021 · 2 sales
| 16 Jun 2021 | £100,000 | Terraced · Leasehold | 474 sq ft · £211/sq ft | +67% vs 2004 |
| 12 Feb 2004 | £60,000 | Terraced · Leasehold | 474 sq ft · £127/sq ft | first recorded sale |
› 78 NN5 6JZ · Flats £108,000· 30 Apr 2021 · 3 sales
| 30 Apr 2021 | £108,000 | Flats · Leasehold | 484 sq ft · £223/sq ft | first recorded sale |
| 5 Feb 2008 | £77,500 | Terraced · Leasehold | 484 sq ft · £160/sq ft | +11% vs 2007 |
| 26 Oct 2007 | £70,000 | Flats · Leasehold | 484 sq ft · £145/sq ft | −35% vs 2021 |
› 6 NN5 6LF · Semi-detached £220,000· 3 Sept 2020 · 3 sales
| 3 Sept 2020 | £220,000 | Semi-detached · Freehold | 990 sq ft · £222/sq ft | +71% vs 2004 |
| 4 Feb 2020 | £205,000 | Semi-detached · Freehold | 990 sq ft · £207/sq ft | −7% vs 2020 |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase), so not used in averages. | ||||
| 30 Apr 2004 | £129,000 | Semi-detached · Freehold | 990 sq ft · £130/sq ft | first recorded sale |
› 4 NN5 6LF · Semi-detached £202,000· 3 Sept 2019
| 3 Sept 2019 | £202,000 | Semi-detached · Freehold | 990 sq ft · £204/sq ft | first recorded sale |
› 43 NN5 6LG · Semi-detached £302,000· 21 Jun 2019 · 3 sales
| 21 Jun 2019 | £302,000 | Semi-detached · Freehold | 1,970 sq ft · £153/sq ft | +71% vs 2007 |
| 30 Sept 2013 | £164,000 | Semi-detached · Freehold | 1,970 sq ft · £83/sq ft | −46% vs 2019 |
| 27 Apr 2007 | £177,000 | Semi-detached · Freehold | 1,970 sq ft · £90/sq ft | first recorded sale |
› 42 NN5 6LF · Semi-detached £200,000· 21 May 2018 · 2 sales
| 21 May 2018 | £200,000 | Semi-detached · Freehold | 840 sq ft · £238/sq ft | +116% vs 2002 |
| 18 Oct 2002 | £92,500 | Semi-detached · Freehold | 840 sq ft · £110/sq ft | first recorded sale |
› 29 NN5 6LG · Semi-detached £264,995· 3 Feb 2017 · 4 sales
| 3 Feb 2017 | £264,995 | Semi-detached · Freehold | 1,625 sq ft · £163/sq ft | +86% vs 2004 |
| 27 Aug 2004 | £142,500 | Semi-detached · Freehold | 1,625 sq ft · £88/sq ft | first recorded sale |
| 31 May 2002 | £97,000 | Semi-detached · Freehold | 1,625 sq ft · £60/sq ft | −63% vs 2017 |
| 5 Nov 1999 | £72,000 | Semi-detached · Freehold | 1,625 sq ft | −26% vs 2002 |
› 56 NN5 6LF · Semi-detached £174,995· 16 Sept 2016 · 3 sales
| 16 Sept 2016 | £174,995 | Semi-detached · Freehold | 872 sq ft · £201/sq ft | +38% vs 2014 |
| 10 Jan 2014 | £127,000 | Semi-detached · Freehold | 872 sq ft · £146/sq ft | +41% vs 2010 |
| 30 Apr 2010 | £90,000 | Semi-detached · Freehold | 872 sq ft · £103/sq ft | first recorded sale |
› 84 NN5 6JZ · Flats £70,000· 16 Dec 2015 · 2 sales
| 16 Dec 2015 | £70,000 | Flats · Leasehold | 474 sq ft · £148/sq ft | −16% vs 2006 |
| 28 Jul 2006 | £83,500 | Flats · Leasehold | 474 sq ft · £176/sq ft | first recorded sale |
› 38 NN5 6LF · Semi-detached £170,000· 23 Apr 2015
| 23 Apr 2015 | £170,000 | Semi-detached · Freehold | 667 sq ft · £255/sq ft | first recorded sale |
› 94 NN5 6JZ · Flats £74,500· 4 Sept 2014 · 2 sales
| 4 Sept 2014 | £74,500 | Flats · Leasehold | 474 sq ft · £157/sq ft | +210% vs 1998 |
| Additional transaction (e.g. buy-to-let, repossession or corporate purchase), so not used in averages. | ||||
| 30 Apr 1998 | £24,000 | Terraced · Leasehold | 474 sq ft · £51/sq ft | first recorded sale |
› 102 NN5 6JZ · Semi-detached £150,000· 23 Dec 2013
| 23 Dec 2013 | £150,000 | Semi-detached · Freehold | 829 sq ft · £181/sq ft | first recorded sale |
› 3 NN5 6LG · Semi-detached £128,000· 18 Jan 2013
| 18 Jan 2013 | £128,000 | Semi-detached · Freehold | 1,033 sq ft · £124/sq ft | first recorded sale |
› 50 NN5 6LF · Semi-detached £82,500· 17 Aug 2012
| 17 Aug 2012 | £82,500 | Semi-detached · Freehold | 893 sq ft · £92/sq ft | first recorded sale |
› 5 NN5 6LG · Terraced £148,000· 4 Sept 2009 · 3 sales
| 4 Sept 2009 | £148,000 | Terraced · Freehold | 1,012 sq ft · £146/sq ft | +128% vs 1999 |
| 6 Feb 2004 | £126,000 | Terraced · Freehold | 1,012 sq ft · £125/sq ft | first recorded sale |
| 26 Nov 1999 | £64,995 | Terraced · Freehold | 1,012 sq ft · £64/sq ft | −48% vs 2004 |
› 106 NN5 6JZ · Semi-detached £67,687· 27 Jun 2008
| 27 Jun 2008 | £67,687 | Semi-detached · Freehold | 969 sq ft · £70/sq ft | first recorded sale |
› 39 NN5 6LG · Semi-detached £149,000· 7 Dec 2007
| 7 Dec 2007 | £149,000 | Semi-detached · Freehold | first recorded sale |
› 10 NN5 6LF · Terraced £155,000· 31 Aug 2007
| 31 Aug 2007 | £155,000 | Terraced · Freehold | first recorded sale |
› 110 NN5 6JZ · Semi-detached £165,000· 31 Aug 2007
| 31 Aug 2007 | £165,000 | Semi-detached · Freehold | 1,066 sq ft · £155/sq ft | first recorded sale |
› 70 NN5 6LF · Semi-detached £149,000· 4 Aug 2006 · 2 sales
| 4 Aug 2006 | £149,000 | Semi-detached · Freehold | 1,066 sq ft · £140/sq ft | +34% vs 2004 |
| 2 Apr 2004 | £111,000 | Semi-detached · Freehold | 1,066 sq ft · £104/sq ft | first recorded sale |
› 36 NN5 6LF · Semi-detached £140,000· 5 May 2006 · 3 sales
| 5 May 2006 | £140,000 | Semi-detached · Freehold | 1,076 sq ft · £130/sq ft | first recorded sale |
| 17 May 2002 | £86,995 | Semi-detached · Freehold | 1,076 sq ft · £81/sq ft | −38% vs 2006 |
| 9 Jun 1998 | £58,000 | Semi-detached · Freehold | 1,076 sq ft · £54/sq ft | −33% vs 2002 |
› 100 NN5 6JZ · Flats £83,000· 12 Apr 2006
| 12 Apr 2006 | £83,000 | Flats · Leasehold | 474 sq ft · £175/sq ft | first recorded sale |
› 9 NN5 6LG · Semi-detached £144,995· 22 Jul 2005 · 2 sales
| 22 Jul 2005 | £144,995 | Semi-detached · Freehold | 1,184 sq ft · £122/sq ft | +196% vs 1996 |
| 5 Jul 1996 | £49,000 | Semi-detached · Freehold | 1,184 sq ft | first recorded sale |
› 23 NN5 6LG · Semi-detached £116,000· 18 Jul 2003 · 2 sales
| 18 Jul 2003 | £116,000 | Semi-detached · Freehold | first recorded sale | |
| 30 Nov 2001 | £83,000 | Semi-detached · Freehold | −28% vs 2003 |
› 86 NN5 6JZ · Flats £51,995· 7 Feb 2003 · 3 sales
| 7 Feb 2003 | £51,995 | Flats · Leasehold | 474 sq ft · £110/sq ft | +108% vs 1996 |
| 18 May 2000 | £35,500 | Flats · Leasehold | 474 sq ft · £75/sq ft | −32% vs 2003 |
| 12 Apr 1996 | £25,000 | Flats · Leasehold | 474 sq ft · £53/sq ft | first recorded sale |
› 20 NN5 6LF · Semi-detached £100,000· 6 Dec 2002
| 6 Dec 2002 | £100,000 | Semi-detached · Freehold | 915 sq ft · £109/sq ft | first recorded sale |
› 90 NN5 6JZ · Flats £48,500· 31 Oct 2002 · 2 sales
| 31 Oct 2002 | £48,500 | Flats · Leasehold | 484 sq ft · £100/sq ft | +33% vs 2001 |
| 31 May 2001 | £36,500 | Flats · Leasehold | 484 sq ft · £75/sq ft | first recorded sale |
› 26 NN5 6LF · Semi-detached £109,995· 25 Oct 2002 · 2 sales
| 25 Oct 2002 | £109,995 | Semi-detached · Freehold | +47% vs 2000 | |
| 28 Apr 2000 | £74,995 | Semi-detached · Freehold | first recorded sale |
› 21 NN5 6LG · Semi-detached £90,000· 25 Sept 2002 · 2 sales
| 25 Sept 2002 | £90,000 | Semi-detached · Freehold | +65% vs 1999 | |
| 18 Jun 1999 | £54,500 | Semi-detached · Freehold | first recorded sale |
› 24 NN5 6LF · Semi-detached £72,000· 17 Nov 2000
| 17 Nov 2000 | £72,000 | Semi-detached · Freehold | first recorded sale |
› 98 NN5 6JZ · Flats £26,000· 30 Apr 1999 · 2 sales
| 30 Apr 1999 | £26,000 | Flats · Leasehold | 495 sq ft · £53/sq ft | first recorded sale |
| 12 Sept 1997 | £25,500 | Flats · Leasehold | 495 sq ft · £52/sq ft | −2% vs 1999 |
› 96 NN5 6JZ · Terraced £25,000· 22 Jan 1999
| 22 Jan 1999 | £25,000 | Terraced · Leasehold | first recorded sale |
At your size
A 90 m² (970 sq ft) home in NN5 is worth roughly £240k–£329k at the district's typical £248–£340 per square foot (1,264 sales, two years). That is a range, not a valuation.
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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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