Property market
The five-year median is £396,000 from 5 recorded sales in N3 1SN. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Barnet is £603,753 in June 2026, down 2.9% year on year.
Property prices and recorded sales
N3 1SN: 80 recorded property sales with dates, prices and address history. HM Land Registry records, not current valuations.
Need wider context? View the N3 property report.
- Latest recorded sale
- 19 December 2025
- All recorded sales
- 80 Since 22 February 1995
- Five-year median
- £396,000
- Sales in five-year window
- 5
Properties by latest recorded type
Detached 8
Semi-detached 17
Terraced 0
Flats 24
Other 1
Annual property market
Bars show recorded Price Paid sales. Lines show median sale prices. Hover or tap a year for exact values, or select a legend item to show or hide a series.
| Year | Recorded sales | All property types median sale price | Detached median sale price | Semi-detached median sale price | Flat or maisonette median sale price | Other median sale price |
|---|---|---|---|---|---|---|
| 2013 | 1 | £950,000 | - | £950,000 | - | - |
| 2014 | 1 | £1,090,000 | - | £1,090,000 | - | - |
| 2015 | 2 | £1,332,500 | £1,170,000 | £1,495,000 | - | - |
| 2016 | 4 | £1,000,000 | £1,180,000 | £1,000,000 | £556,200 | - |
| 2017 | 2 | £757,500 | £1,125,000 | - | £390,000 | - |
| 2018 | 1 | £1,375,000 | £1,375,000 | - | - | - |
| 2019 | 2 | £1,000,000 | - | £1,000,000 | - | - |
| 2020 | 1 | £965,000 | - | £965,000 | - | - |
| 2021 | 4 | £725,000 | - | £875,000 | £510,500 | £825,000 |
| 2023 | 1 | £1,185,000 | - | £1,185,000 | - | - |
| 2024 | 1 | £22,630 | - | - | - | £22,630 |
| 2025 | 2 | £867,500 | - | £1,350,000 | £385,000 | - |
Properties with recorded sales
1-20 of 50 properties · 80 recorded sales · N3 1SN
July 2021 to July 2026
19, St Marys Avenue, London, N3 1SN
Semi-detached, Freehold, existing property
Latest sale · 19 December 2025
£1,350,00013, Flat E, St Marys Avenue, London, N3 1SN
Flat or maisonette, Leasehold, existing property
Latest sale · 20 November 2025
£385,0001 previous sale
- 5 August 1999 £125,000
1, St Marys Avenue, London, N3 1SN
Other, Freehold, existing property
Latest sale · 22 November 2024
£22,6301 previous sale
- 12 March 2021 £825,000
38, St Marys Avenue, London, N3 1SN
Semi-detached, Freehold, existing property
Latest sale · 30 June 2023
£1,185,0002 previous sales
- 14 August 2020 £965,000
- 30 August 2019 £800,000
1d, St Marys Avenue, London, N3 1SN
Flat or maisonette, Leasehold, existing property
Latest sale · 12 August 2021
£396,0001 previous sale
- 5 November 1999 £99,950
34, St Marys Avenue, London, N3 1SN
Semi-detached, Freehold, existing property
Latest sale · 25 March 2021
£875,0003b, St Marys Avenue, London, N3 1SN
Flat or maisonette, Leasehold, existing property
Latest sale · 2 February 2021
£625,0001 previous sale
- 12 May 2016 £556,200
22a, St Marys Avenue, London, N3 1SN
Semi-detached, Freehold, existing property
Latest sale · 23 July 2019
£1,200,0001 previous sale
- 12 December 2016 £860,000
Heathfield, St Marys Avenue, London, N3 1SN
Detached, Freehold, existing property
Latest sale · 31 January 2018
£1,375,0001 previous sale
- 17 May 2016 £1,180,000
13, Flat D, St Marys Avenue, London, N3 1SN
Flat or maisonette, Leasehold, existing property
Latest sale · 26 October 2017
£390,0001 previous sale
- 15 September 2000 £130,000
26, St Marys Avenue, London, N3 1SN
Detached, Freehold, existing property
Latest sale · 7 February 2017
£1,125,00021, St Marys Avenue, London, N3 1SN
Semi-detached, Freehold, existing property
Latest sale · 12 January 2016
£1,140,0008, St Marys Avenue, London, N3 1SN
Semi-detached, Freehold, existing property
Latest sale · 18 December 2015
£1,495,0002, St Marys Avenue, London, N3 1SN
Detached, Freehold, existing property
Latest sale · 25 June 2015
£1,170,0002 previous sales
- 9 November 2007 £685,000
- 31 January 2006 £495,000
30, St Marys Avenue, London, N3 1SN
Semi-detached, Freehold, existing property
Latest sale · 8 July 2014
£1,090,00029, St Marys Avenue, London, N3 1SN
Semi-detached, Freehold, existing property
Latest sale · 2 August 2013
£950,00027, St Marys Avenue, London, N3 1SN
Semi-detached, Freehold, existing property
Latest sale · 8 February 2012
£900,00015, Flat 5, St Marys Avenue, London, N3 1SN
Flat or maisonette, Leasehold, existing property
Latest sale · 22 December 2011
£165,0001 previous sale
- 29 August 1996 £37,500
12a, St Marys Avenue, London, N3 1SN
Semi-detached, Freehold, existing property
Latest sale · 23 September 2011
£1,150,00017, St Marys Avenue, London, N3 1SN
Detached, Freehold, existing property
Latest sale · 12 November 2010
£880,000