Over the past 30 years, there have been 28 property sales recorded in the N3 1BY postcode area. The highest sale price reached £3,200,000, while the most recent sale was for a semi-detached flat sold in October 2025 for £1,383,000.

The estimated average property value in N3 1BY currently stands at £1,813,846, which is approximately 124.1% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £9,214.

Property prices in N3 1BY have risen by 0.3% over the past year , with a total increase of 11.8% over the past five years , and a long-term rise of 32.3% over the past decade .

The most common type of property sold in the area is flat, making up around 43% of transactions , followed by detached and terraced.

Housing in N3 1BY is mixed, with 81% of homes being , indicating a diverse residential makeup.

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Property Sales

31A Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Semi-detached
🛏️ 7bed
📐 1596 sq ft
Today
£1,348,148
streetscan.co.uk estimate
28 May 2015
£1,050,000
More details

31B Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Semi-detached
🛏️ 7bed
📐 1543 sq ft
Today
£1,348,148
streetscan.co.uk estimate
28 May 2015
£1,050,000
More details

33 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Terraced
🛏️ bed
📐 1819 sq ft
Today
£1,202,532
streetscan.co.uk estimate
10 Dec 2021
£1,200,000
More details

33A Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Terraced
🛏️ bed
📐 1744 sq ft
Today
£1,317,774
streetscan.co.uk estimate
7 Dec 2021
£1,315,000
More details

33B Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Terraced
🛏️ bed
📐 1787 sq ft
Today
£1,352,848
streetscan.co.uk estimate
10 Dec 2021
£1,350,000
18 Sep 2017
£100,000
More details

33D Dollis Avenue, London, Barnet, Greater London, N3 1BY

Today
£2,772,483
streetscan.co.uk estimate
18 Aug 2015
£2,250,000
28 May 2015
£1,800,000

35 Dollis Avenue, London, Barnet, Greater London, N3 1BY

Today
£867,446
streetscan.co.uk estimate
21 Dec 2015
£850,000
26 Oct 2015
£875,000
21 May 2013
£550,000

37 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Detached
🛏️ 10bed
📐 4650 sq ft
Today
£3,102,006
streetscan.co.uk estimate
1 Aug 2025
£3,200,000
27 Jun 2001
£935,000
View +1 more
More details

39 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Detached
🛏️ 10bed
📐 4155 sq ft
Today
£2,565,492
streetscan.co.uk estimate
6 Dec 2019
£2,300,000
More details

41 Dollis Avenue, London, Barnet, Greater London, N3 1BY

Today
£3,449,511
streetscan.co.uk estimate
26 Jul 2007
£1,845,000
16 Oct 1995
£444,000

43 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Detached
🛏️ 10bed
📐 3670 sq ft
Today
£3,186,206
streetscan.co.uk estimate
11 May 2004
£1,367,500
More details

Halley House, 31 Dollis Avenue, London, Barnet, Greater London, N3 1BY

Today
£160,971
streetscan.co.uk estimate
17 May 2024
£175,000

Flat 1, Halley House, 31 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Flat
🛏️ bed
📐 2185 sq ft
Today
£2,430,987
streetscan.co.uk estimate
23 Oct 2020
£2,450,000
More details

Flat 3, Halley House, 31 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Flat
🛏️ bed
📐 2239 sq ft
Today
£1,846,363
streetscan.co.uk estimate
22 Feb 2021
£1,900,000
More details

Flat 4, Halley House, 31 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Flat
🛏️ bed
📐 1798 sq ft
Today
£1,624,587
streetscan.co.uk estimate
3 Sep 2020
£1,650,000
More details

Flat 5, Halley House, 31 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Flat
🛏️ bed
📐 1152 sq ft
Today
£830,412
streetscan.co.uk estimate
27 Jun 2023
£900,000
More details

Flat 6, Halley House, 31 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Flat
🛏️ bed
📐 1249 sq ft
Today
£1,128,564
streetscan.co.uk estimate
15 Jan 2021
£1,150,000
More details

Flat 7, Halley House, 31 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Flat
🛏️ bed
📐 1744 sq ft
Today
£1,399,017
streetscan.co.uk estimate
5 Nov 2021
£1,510,000
More details

Flat 8, Halley House, 31 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Flat
🛏️ bed
📐 1787 sq ft
Today
£1,603,977
streetscan.co.uk estimate
29 Jun 2021
£1,690,000
More details

Flat 9, Halley House, 31 Dollis Avenue, London, Barnet, Greater London, N3 1BY

🏠 Flat
🛏️ bed
📐 1539 sq ft
Today
£1,354,251
streetscan.co.uk estimate
6 Oct 2025
£1,383,000
25 Jun 2021
£1,325,000
More details

Area Insights

Data Sources

Properties at N3 1BY appear twenty-eight times in the Land Registry records, with the latest transaction recorded on 6 Oct 2025. It also has sixteen Energy Performance Certificates (EPC) entries, the earliest dating back to 28 Aug 2020. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.