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Northampton
NN1
Cowper Street

Cowper Street, NN1

Street in Northampton

Median, last 3 years

£191,000

10 sales, Jun 2023 – May 2026

Last standard sale

£232,000

1 May 2026

Standard sales

151

since 1995

By property type, Jun 2023 – May 2026: Terraced median £228,000 (7 sales) · Flats median £164,000 (3 sales)

Figures count standard sales only (Price Paid category A). Additional entries (category B) - repossessions, buy-to-lets with an identifiable mortgage, and purchases by companies and other non-private buyers - are listed below but flagged.

Sale history (162 records · 46 homes sold more than once)

Address	Postcode	Date	Type	Price
15, COWPER STREET NN1 3QR · 1 May 2026 · Terraced Previously £204,000 (Apr 2021) · +14%	NN1 3QR	1 May 2026	Terraced	£232,000
51, COWPER STREET NN1 3QR · 9 Apr 2026 · Terraced Previously £220,000 (Oct 2018) · +4%	NN1 3QR	9 Apr 2026	Terraced	£228,000
72, COWPER STREET Cat B NN1 3QR · 6 Mar 2026 · Terraced Previously £65,000 (May 2002)	NN1 3QR	6 Mar 2026	Terraced	£125,000
FLAT 16, 78, COWPER STREET NN1 3QR · 25 Jul 2025 · Flat / maisonette Previously £161,500 (Aug 2018) · 0%	NN1 3QR	25 Jul 2025	Flat / maisonette	£162,000
19, COWPER STREET NN1 3QR · 5 Dec 2024 · Terraced Previously £220,000 (Sep 2017) · +14%	NN1 3QR	5 Dec 2024	Terraced	£250,000
29, COWPER STREET NN1 3QR · 15 Apr 2024 · Terraced Previously £205,000 (Nov 2016) · +17%	NN1 3QR	15 Apr 2024	Terraced	£240,000
45, COWPER STREET NN1 3QR · 22 Mar 2024 · Terraced Previously £184,995 (Feb 2019) · +6%	NN1 3QR	22 Mar 2024	Terraced	£196,000
42, COWPER STREET Cat B NN1 3QR · 15 Dec 2023 · Terraced Previously £177,000 (May 2007)	NN1 3QR	15 Dec 2023	Terraced	£250,000
FLAT 15, 78, COWPER STREET NN1 3QR · 27 Oct 2023 · Flat / maisonette Previously £145,000 (Dec 2005) · +13%	NN1 3QR	27 Oct 2023	Flat / maisonette	£164,000
17A, COWPER STREET NN1 3QR · 6 Oct 2023 · Terraced	NN1 3QR	6 Oct 2023	Terraced	£186,000
38, COWPER STREET NN1 3QR · 3 Aug 2023 · Terraced Previously £129,995 (Aug 2014) · +40%	NN1 3QR	3 Aug 2023	Terraced	£182,000
13, COWPER STREET Cat B NN1 3QR · 1 Aug 2023 · Terraced Previously £97,500 (Apr 2003)	NN1 3QR	1 Aug 2023	Terraced	£180,000
FLAT 1, 78, COWPER STREET NN1 3QR · 6 Jun 2023 · Flat / maisonette Previously £174,000 (Mar 2022) · −2%	NN1 3QR	6 Jun 2023	Flat / maisonette	£170,000
FLAT 2, 78, COWPER STREET NN1 3QR · 11 Nov 2022 · Flat / maisonette Previously £155,000 (Dec 2006) · +3%	NN1 3QR	11 Nov 2022	Flat / maisonette	£160,000
FLAT 3, 78, COWPER STREET NN1 3QR · 28 Oct 2022 · Flat / maisonette Previously £158,000 (Aug 2006) · +8%	NN1 3QR	28 Oct 2022	Flat / maisonette	£170,000
FLAT 18, 78, COWPER STREET NN1 3QR · 9 Sep 2022 · Flat / maisonette Previously £100,000 (Jan 2020) · +30%	NN1 3QR	9 Sep 2022	Flat / maisonette	£130,000
FLAT 8, 78, COWPER STREET NN1 3QR · 9 Aug 2022 · Flat / maisonette Previously £158,000 (Aug 2006) · +14%	NN1 3QR	9 Aug 2022	Flat / maisonette	£180,000
FLAT 1, 78, COWPER STREET NN1 3QR · 28 Mar 2022 · Flat / maisonette Previously £155,000 (Dec 2006) · +12%	NN1 3QR	28 Mar 2022	Flat / maisonette	£174,000
FLAT 11, 78, COWPER STREET NN1 3QR · 14 Feb 2022 · Flat / maisonette Previously £105,000 (Apr 2019) · +19%	NN1 3QR	14 Feb 2022	Flat / maisonette	£125,000
FLAT 5, 78, COWPER STREET NN1 3QR · 15 Nov 2021 · Flat / maisonette Previously £55,000 (Jan 2014)	NN1 3QR	15 Nov 2021	Flat / maisonette	£90,500
40, COWPER STREET NN1 3QR · 1 Nov 2021 · Terraced Previously £67,500 (Mar 2000) · +241%	NN1 3QR	1 Nov 2021	Terraced	£230,000
21, COWPER STREET Cat B NN1 3QR · 13 Aug 2021 · Terraced	NN1 3QR	13 Aug 2021	Terraced	£210,000
15, COWPER STREET NN1 3QR · 1 Apr 2021 · Terraced Previously £163,000 (Jun 2014) · +25%	NN1 3QR	1 Apr 2021	Terraced	£204,000
64, COWPER STREET Cat B NN1 3QR · 13 Mar 2020 · Terraced Previously £157,000 (Dec 2015)	NN1 3QR	13 Mar 2020	Terraced	£163,000
FLAT 18, 78, COWPER STREET NN1 3QR · 27 Jan 2020 · Flat / maisonette Previously £105,000 (Dec 2005) · −5%	NN1 3QR	27 Jan 2020	Flat / maisonette	£100,000
FLAT 11, 78, COWPER STREET NN1 3QR · 18 Apr 2019 · Flat / maisonette Previously £95,000 (Mar 2006) · +11%	NN1 3QR	18 Apr 2019	Flat / maisonette	£105,000
14, COWPER STREET NN1 3QR · 13 Mar 2019 · Terraced	NN1 3QR	13 Mar 2019	Terraced	£159,500
FLAT 17, 78, COWPER STREET NN1 3QR · 1 Mar 2019 · Flat / maisonette Previously £90,000 (Apr 2006) · +6%	NN1 3QR	1 Mar 2019	Flat / maisonette	£95,000
45, COWPER STREET NN1 3QR · 8 Feb 2019 · Terraced Previously £135,000 (Sep 2014) · +37%	NN1 3QR	8 Feb 2019	Terraced	£184,995
51, COWPER STREET NN1 3QR · 11 Oct 2018 · Terraced Previously £147,000 (Oct 2014) · +50%	NN1 3QR	11 Oct 2018	Terraced	£220,000
66, COWPER STREET NN1 3QR · 30 Aug 2018 · Terraced	NN1 3QR	30 Aug 2018	Terraced	£170,000
54, COWPER STREET NN1 3QR · 16 Aug 2018 · Terraced	NN1 3QR	16 Aug 2018	Terraced	£197,000
FLAT 16, 78, COWPER STREET NN1 3QR · 6 Aug 2018 · Flat / maisonette Previously £151,995 (Mar 2007) · +6%	NN1 3QR	6 Aug 2018	Flat / maisonette	£161,500
52, COWPER STREET NN1 3QR · 20 Jul 2018 · Terraced Previously £143,000 (Jun 2006) · +33%	NN1 3QR	20 Jul 2018	Terraced	£190,500
10, COWPER STREET NN1 3QR · 27 Apr 2018 · Terraced Previously £179,995 (Mar 2013) · +39%	NN1 3QR	27 Apr 2018	Terraced	£249,995
35, COWPER STREET Cat B NN1 3QR · 21 Mar 2018 · Terraced Previously £140,000 (Jun 2014)	NN1 3QR	21 Mar 2018	Terraced	£185,000
8, COWPER STREET NN1 3QR · 16 Feb 2018 · Terraced Previously £135,000 (Mar 2003) · +57%	NN1 3QR	16 Feb 2018	Terraced	£212,500
18, COWPER STREET Cat B NN1 3QR · 17 Nov 2017 · Other	NN1 3QR	17 Nov 2017	Other	£275,000
19, COWPER STREET NN1 3QR · 22 Sep 2017 · Terraced Previously £207,500 (Jun 2016) · +6%	NN1 3QR	22 Sep 2017	Terraced	£220,000
68, COWPER STREET NN1 3QR · 5 Jun 2017 · Terraced Previously £136,000 (Oct 2007) · +36%	NN1 3QR	5 Jun 2017	Terraced	£185,000
37, COWPER STREET Cat B NN1 3QR · 1 Jun 2017 · Terraced Previously £48,000 (Nov 1999)	NN1 3QR	1 Jun 2017	Terraced	£140,000
46, COWPER STREET NN1 3QR · 28 Feb 2017 · Terraced Previously £158,750 (Jul 2007) · +14%	NN1 3QR	28 Feb 2017	Terraced	£180,950
29, COWPER STREET NN1 3QR · 8 Nov 2016 · Terraced Previously £75,000 (Jan 2014) · +173%	NN1 3QR	8 Nov 2016	Terraced	£205,000
27, COWPER STREET NN1 3QR · 29 Jul 2016 · Terraced Previously £128,500 (Nov 2012) · +30%	NN1 3QR	29 Jul 2016	Terraced	£167,500
47, COWPER STREET Cat B NN1 3QR · 30 Jun 2016 · Terraced Previously £52,005 (Jun 2001)	NN1 3QR	30 Jun 2016	Terraced	£220,500
19, COWPER STREET NN1 3QR · 20 Jun 2016 · Terraced Previously £175,000 (Apr 2015) · +19%	NN1 3QR	20 Jun 2016	Terraced	£207,500
70, COWPER STREET NN1 3QR · 20 May 2016 · Terraced	NN1 3QR	20 May 2016	Terraced	£140,000
36, COWPER STREET Cat B NN1 3QR · 29 Apr 2016 · Terraced	NN1 3QR	29 Apr 2016	Terraced	£147,000
11, COWPER STREET NN1 3QR · 30 Mar 2016 · Terraced Previously £117,000 (Nov 2005) · +28%	NN1 3QR	30 Mar 2016	Terraced	£150,000
FLAT 4, 78, COWPER STREET NN1 3QR · 18 Mar 2016 · Flat / maisonette Previously £100,000 (Dec 2009) · +1%	NN1 3QR	18 Mar 2016	Flat / maisonette	£101,000
64, COWPER STREET NN1 3QR · 18 Dec 2015 · Terraced Previously £122,500 (Oct 2013) · +28%	NN1 3QR	18 Dec 2015	Terraced	£157,000
19, COWPER STREET NN1 3QR · 9 Apr 2015 · Terraced Previously £145,000 (Dec 2005) · +21%	NN1 3QR	9 Apr 2015	Terraced	£175,000
51, COWPER STREET NN1 3QR · 24 Oct 2014 · Terraced Previously £140,000 (Jul 2006) · +5%	NN1 3QR	24 Oct 2014	Terraced	£147,000
45, COWPER STREET NN1 3QR · 19 Sep 2014 · Terraced Previously £49,995 (Mar 1999) · +170%	NN1 3QR	19 Sep 2014	Terraced	£135,000
32, COWPER STREET NN1 3QR · 15 Sep 2014 · Terraced	NN1 3QR	15 Sep 2014	Terraced	£157,500
38, COWPER STREET NN1 3QR · 15 Aug 2014 · Terraced Previously £131,000 (Jun 2006) · −1%	NN1 3QR	15 Aug 2014	Terraced	£129,995
15, COWPER STREET NN1 3QR · 16 Jun 2014 · Terraced Previously £163,000 (Mar 2007) · 0%	NN1 3QR	16 Jun 2014	Terraced	£163,000
35, COWPER STREET NN1 3QR · 2 Jun 2014 · Terraced Previously £128,000 (Jun 2009) · +9%	NN1 3QR	2 Jun 2014	Terraced	£140,000
12, COWPER STREET NN1 3QR · 10 Mar 2014 · Terraced Previously £130,000 (Jan 2009) · +46%	NN1 3QR	10 Mar 2014	Terraced	£190,000
FLAT 5, 78, COWPER STREET Cat B NN1 3QR · 23 Jan 2014 · Flat / maisonette Previously £85,000 (Nov 2005)	NN1 3QR	23 Jan 2014	Flat / maisonette	£55,000
29, COWPER STREET NN1 3QR · 20 Jan 2014 · Terraced	NN1 3QR	20 Jan 2014	Terraced	£75,000
64, COWPER STREET NN1 3QR · 31 Oct 2013 · Terraced Previously £121,500 (Mar 2010) · +1%	NN1 3QR	31 Oct 2013	Terraced	£122,500
10, COWPER STREET NN1 3QR · 28 Mar 2013 · Terraced Previously £139,000 (Dec 2007) · +29%	NN1 3QR	28 Mar 2013	Terraced	£179,995
27, COWPER STREET NN1 3QR · 14 Nov 2012 · Terraced Previously £135,000 (Jul 2009) · −5%	NN1 3QR	14 Nov 2012	Terraced	£128,500
49, COWPER STREET NN1 3QR · 21 Feb 2012 · Terraced Previously £110,000 (Aug 2005) · +5%	NN1 3QR	21 Feb 2012	Terraced	£115,500
64, COWPER STREET NN1 3QR · 12 Mar 2010 · Terraced Previously £111,000 (Dec 2003) · +9%	NN1 3QR	12 Mar 2010	Terraced	£121,500
FLAT 4, 78, COWPER STREET NN1 3QR · 30 Dec 2009 · Flat / maisonette Previously £115,000 (Jan 2006) · −13%	NN1 3QR	30 Dec 2009	Flat / maisonette	£100,000
39, COWPER STREET NN1 3QR · 18 Sep 2009 · Terraced	NN1 3QR	18 Sep 2009	Terraced	£120,000
27, COWPER STREET NN1 3QR · 31 Jul 2009 · Terraced Previously £97,000 (Feb 2003) · +39%	NN1 3QR	31 Jul 2009	Terraced	£135,000
55, COWPER STREET NN1 3QR · 10 Jul 2009 · Terraced Previously £89,500 (Dec 2002) · +1%	NN1 3QR	10 Jul 2009	Terraced	£90,000
35, COWPER STREET NN1 3QR · 19 Jun 2009 · Terraced Previously £78,000 (Feb 2009) · +64%	NN1 3QR	19 Jun 2009	Terraced	£128,000
35, COWPER STREET NN1 3QR · 10 Feb 2009 · Terraced	NN1 3QR	10 Feb 2009	Terraced	£78,000
12, COWPER STREET NN1 3QR · 30 Jan 2009 · Terraced	NN1 3QR	30 Jan 2009	Terraced	£130,000
10, COWPER STREET NN1 3QR · 10 Dec 2007 · Terraced Previously £34,995 (Jul 1996) · +297%	NN1 3QR	10 Dec 2007	Terraced	£139,000
68, COWPER STREET NN1 3QR · 19 Oct 2007 · Terraced Previously £124,000 (Feb 2004) · +10%	NN1 3QR	19 Oct 2007	Terraced	£136,000
59, COWPER STREET NN1 3QR · 19 Oct 2007 · Terraced Previously £31,000 (Feb 1997) · +332%	NN1 3QR	19 Oct 2007	Terraced	£134,000
FLAT 6, 78, COWPER STREET NN1 3QR · 15 Oct 2007 · Flat / maisonette Previously £80,000 (Feb 2006) · +13%	NN1 3QR	15 Oct 2007	Flat / maisonette	£90,000
25, COWPER STREET NN1 3QR · 11 Oct 2007 · Terraced	NN1 3QR	11 Oct 2007	Terraced	£135,500
FLAT 12, 78, COWPER STREET NN1 3QR · 1 Oct 2007 · Flat / maisonette Previously £90,000 (Dec 2005) · 0%	NN1 3QR	1 Oct 2007	Flat / maisonette	£90,000
46, COWPER STREET NN1 3QR · 2 Jul 2007 · Terraced Previously £92,500 (Feb 2002) · +72%	NN1 3QR	2 Jul 2007	Terraced	£158,750
42, COWPER STREET NN1 3QR · 14 May 2007 · Terraced Previously £162,000 (Apr 2005) · +9%	NN1 3QR	14 May 2007	Terraced	£177,000
15, COWPER STREET NN1 3QR · 30 Mar 2007 · Terraced Previously £118,000 (Mar 2005) · +38%	NN1 3QR	30 Mar 2007	Terraced	£163,000
62, COWPER STREET NN1 3QR · 30 Mar 2007 · Terraced	NN1 3QR	30 Mar 2007	Terraced	£120,000
FLAT 16, 78, COWPER STREET NN1 3QR · 30 Mar 2007 · Flat / maisonette Previously £140,000 (Dec 2005) · +9%	NN1 3QR	30 Mar 2007	Flat / maisonette	£151,995
56, COWPER STREET NN1 3QR · 12 Feb 2007 · Terraced Previously £105,000 (Jun 2006) · +38%	NN1 3QR	12 Feb 2007	Terraced	£145,000
FLAT 1, 78, COWPER STREET NN1 3QR · 13 Dec 2006 · Flat / maisonette	NN1 3QR	13 Dec 2006	Flat / maisonette	£155,000
FLAT 2, 78, COWPER STREET NN1 3QR · 13 Dec 2006 · Flat / maisonette	NN1 3QR	13 Dec 2006	Flat / maisonette	£155,000
50, COWPER STREET NN1 3QR · 20 Nov 2006 · Terraced Previously £115,000 (May 2006) · +43%	NN1 3QR	20 Nov 2006	Terraced	£164,500
FLAT 3, 78, COWPER STREET NN1 3QR · 3 Aug 2006 · Flat / maisonette	NN1 3QR	3 Aug 2006	Flat / maisonette	£158,000
FLAT 8, 78, COWPER STREET NN1 3QR · 3 Aug 2006 · Flat / maisonette	NN1 3QR	3 Aug 2006	Flat / maisonette	£158,000
FLAT 10, 78, COWPER STREET NN1 3QR · 1 Aug 2006 · Flat / maisonette	NN1 3QR	1 Aug 2006	Flat / maisonette	£100,000
51, COWPER STREET NN1 3QR · 28 Jul 2006 · Terraced Previously £47,000 (Jan 1998) · +198%	NN1 3QR	28 Jul 2006	Terraced	£140,000
52, COWPER STREET NN1 3QR · 30 Jun 2006 · Terraced Previously £127,000 (Sep 2004) · +13%	NN1 3QR	30 Jun 2006	Terraced	£143,000
38, COWPER STREET NN1 3QR · 27 Jun 2006 · Terraced Previously £110,000 (Jun 2004) · +19%	NN1 3QR	27 Jun 2006	Terraced	£131,000
56, COWPER STREET NN1 3QR · 2 Jun 2006 · Terraced	NN1 3QR	2 Jun 2006	Terraced	£105,000
50, COWPER STREET NN1 3QR · 30 May 2006 · Terraced	NN1 3QR	30 May 2006	Terraced	£115,000
23, COWPER STREET NN1 3QR · 7 Apr 2006 · Terraced Previously £31,500 (Mar 1995) · +298%	NN1 3QR	7 Apr 2006	Terraced	£125,500
FLAT 1, 1, COWPER STREET NN1 3QR · 7 Apr 2006 · Semi-detached	NN1 3QR	7 Apr 2006	Semi-detached	£240,000
FLAT 17, 78, COWPER STREET NN1 3QR · 3 Apr 2006 · Flat / maisonette	NN1 3QR	3 Apr 2006	Flat / maisonette	£90,000
FLAT 13, 78, COWPER STREET NN1 3QR · 24 Mar 2006 · Flat / maisonette	NN1 3QR	24 Mar 2006	Flat / maisonette	£80,000

Cat B An additional Price Paid entry (category B): a repossession, a buy-to-let with an identifiable mortgage, a purchase by a company or other non-private buyer, or a sale of another kind of property. Left out of every average.