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Sold prices and estimated values

Property Valuations in CORNWALLIS SQUARE, Islington N19

See what homes on Cornwallis Square have sold for, what they could be worth today, and the highest prices recorded for each type of property.

Highest sold prices on CORNWALLIS SQUARE

The highest recorded sale on CORNWALLIS SQUARE is £970,000 at 6, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY, sold on 14 August 2026

Property type Highest sale Address Sale date
Terraced £970,000 6, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY 14 Aug 2026
Flat / Maisonette £393,000 82, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LZ 20 Jul 2018

These historic sales (often known as ceiling prices) can help provide context when assessing potential development values on the street.

2, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £1,023,549
Weighted central estimate £/m²: £8,123
Previous sales
22 Oct 2004 - £350,000

3, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £735,012
Weighted central estimate £/m²: £8,259
Previous sales
14 May 2015 - £626,000

4, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £906,055
Weighted central estimate £/m²: £8,971
Previous sales
16 Dec 2014 - £725,000
16 Mar 2007 - £370,000

5, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £823,717
Weighted central estimate £/m²: £10,045
Previous sales
10 Sep 2014 - £685,000
22 Nov 2006 - £369,950
17 Dec 1998 - £175,000

6, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £1,018,281
Weighted central estimate £/m²: £9,092
Previous sales
14 Aug 2026 - £970,000
22 Feb 2018 - £860,000
20 Dec 2010 - £499,950
18 Jul 2007 - £380,000
10 Dec 1998 - £163,000

7, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £893,329
Weighted central estimate £/m²: £7,444
Previous sales
05 Oct 2022 - £895,000
17 Jul 2015 - £805,000
21 May 1999 - £180,000

8, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £894,081
Weighted central estimate £/m²: £8,279
Previous sales
25 Jul 2025 - £930,000
30 Sep 2005 - £355,000

9, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £953,641
Weighted central estimate £/m²: £7,947
Previous sales
30 Jun 2000 - £227,500

12, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £1,122,499
Weighted central estimate £/m²: £9,433
Previous sales
12 Jul 1996 - £133,500

13, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £1,019,201
Weighted central estimate £/m²: £8,286
Previous sales
19 Jan 1998 - £151,500

26, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £324,690
Weighted central estimate £/m²: £7,379
Previous sales
30 Sep 2025 - £335,000
23 Jul 2019 - £230,000
26 Feb 1999 - £63,750

27, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £364,038
Weighted central estimate £/m²: £6,501
Previous sales
03 Aug 2004 - £165,000

28, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £375,681
Weighted central estimate £/m²: £8,348
Previous sales
14 Jan 2000 - £100,000

29, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £335,478
Weighted central estimate £/m²: £5,991
Previous sales
20 Jun 1997 - £60,000

31, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £361,829
Weighted central estimate £/m²: £6,461
Previous sales
04 Dec 1998 - £75,000

49, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £166,426
Weighted central estimate £/m²: £2,920
Previous sales
30 Jun 2005 - £76,250

50, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £168,409
Weighted central estimate £/m²: £3,742
Previous sales
09 Dec 2002 - £67,500
04 Sep 1998 - £33,000

51, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £340,481
Weighted central estimate £/m²: £6,676
Previous sales
08 Apr 2004 - £149,000

52, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Leasehold
Property Type: Terraced
Weighted central estimate: £379,698
Weighted central estimate £/m²: £8,079
Previous sales
30 Nov 2022 - £369,000

54, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LY

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £345,155
Weighted central estimate £/m²: £6,638
Previous sales
09 Jan 2015 - £320,000
19 Oct 2007 - £227,500

78, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LZ

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £148,349
Weighted central estimate £/m²: £3,156
Previous sales
28 Aug 1998 - £32,500

79, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LZ

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £140,605
Weighted central estimate £/m²: £2,068
Previous sales
04 Nov 2011 - £91,250
01 Oct 1997 - £28,000

80, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LZ

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £145,501
Weighted central estimate £/m²: £3,233
Previous sales
11 Dec 2009 - £80,000

82, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LZ

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £385,543
Weighted central estimate £/m²: £8,966
Previous sales
20 Jul 2018 - £393,000
20 Nov 2014 - £325,000

83, CORNWALLIS SQUARE, ISLINGTON, GREATER LONDON N19 4LZ

Tenure: Leasehold
Property Type: Flat
Weighted central estimate: £381,448
Weighted central estimate £/m²: £8,871
Previous sales
02 Jun 2008 - £230,000
23 Jan 2004 - £147,500
17 May 1999 - £73,000
11 Feb 1997 - £47,500

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