Over the past 10 years, there have been 31 property sales recorded in the NW9 4BJ postcode area. The highest sale price reached £467,500, while the most recent sale was for a unknown flat sold in March 2026 for £415,000.

The estimated average property value in NW9 4BJ currently stands at £400,582, which is approximately 50.5% lower than the city average - making it a relatively affordable option for buyers.

In terms of size, the average price per square metre is approximately £6,306.

Property prices in NW9 4BJ have risen by 0.4% over the past year , with a total increase of 6.8% over the past five years , and a long-term rise of 19.8% over the past decade .

100% of recorded transactions in the area were for flat properties.

Housing in NW9 4BJ is mixed, with 80% of homes being , indicating a diverse residential makeup.

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Property Sales

Flat 1, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 527 sq ft
Today
£299,606
streetscan.co.uk estimate
5 Aug 2016
£314,000
More details

Flat 10, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ 2bed
📐 506 sq ft
Today
£320,849
streetscan.co.uk estimate
29 Jun 2016
£342,000
More details

Flat 11, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 764 sq ft
Today
£416,720
streetscan.co.uk estimate
8 Jul 2016
£440,000
More details

Flat 12, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 764 sq ft
Today
£386,520
streetscan.co.uk estimate
27 Jun 2016
£412,000
More details

Flat 13, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 538 sq ft
Today
£318,973
streetscan.co.uk estimate
27 Jun 2016
£340,000
More details

Flat 14, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 764 sq ft
Today
£422,170
streetscan.co.uk estimate
27 Jun 2016
£450,000
More details

Flat 15, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ 2bed
📐 786 sq ft
Today
£386,520
streetscan.co.uk estimate
10 Jun 2016
£412,000
More details

Flat 16, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 527 sq ft
Today
£295,519
streetscan.co.uk estimate
22 Jun 2016
£315,000
More details

Flat 17, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 786 sq ft
Today
£451,873
streetscan.co.uk estimate
17 Feb 2021
£465,000
13 Jun 2016
£440,000
More details

Flat 18, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ 2bed
📐 560 sq ft
Today
£295,519
streetscan.co.uk estimate
13 Jun 2016
£315,000
More details

Flat 19, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 807 sq ft
Today
£433,588
streetscan.co.uk estimate
22 Sep 2021
£467,500
3 Jun 2016
£425,000
More details

Flat 2, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 764 sq ft
Today
£415,059
streetscan.co.uk estimate
5 Aug 2016
£435,000
More details

Flat 20, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 786 sq ft
Today
£415,000
streetscan.co.uk estimate
13 Mar 2026
£415,000
27 May 2016
£422,000
More details

Flat 21, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 527 sq ft
Today
£301,824
streetscan.co.uk estimate
27 May 2016
£317,000
More details

Flat 22, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 807 sq ft
Today
£397,778
streetscan.co.uk estimate
10 Jun 2016
£424,000
More details

Flat 23, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 786 sq ft
Today
£406,394
streetscan.co.uk estimate
7 Jul 2025
£435,000
27 May 2016
£444,000
More details

Flat 24, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 527 sq ft
Today
£298,013
streetscan.co.uk estimate
14 Apr 2021
£310,000
23 May 2016
£319,000
More details

Flat 25, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ 3bed
📐 807 sq ft
Today
£427,505
streetscan.co.uk estimate
27 May 2016
£449,000
More details

Flat 3, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ 3bed
📐 764 sq ft
Today
£379,783
streetscan.co.uk estimate
25 Jul 2016
£401,000
More details

Flat 4, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 538 sq ft
Today
£316,328
streetscan.co.uk estimate
25 Jul 2016
£334,000
More details

Flat 5, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 764 sq ft
Today
£414,352
streetscan.co.uk estimate
25 Jul 2016
£437,500
More details

Flat 6, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 764 sq ft
Today
£382,767
streetscan.co.uk estimate
30 Jun 2016
£408,000
More details

Flat 7, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 538 sq ft
Today
£315,220
streetscan.co.uk estimate
30 Jun 2016
£336,000
More details

Flat 8, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 764 sq ft
Today
£398,716
streetscan.co.uk estimate
30 Jun 2016
£425,000
More details

Flat 9, Gazette Court, 1 Observer Close, London, Barnet, Greater London, NW9 4BJ

🏠 Flat
🛏️ bed
📐 764 sq ft
Today
£407,651
streetscan.co.uk estimate
28 Apr 2023
£445,000
27 Jun 2016
£410,000
More details

Area Insights

Data Sources

Properties at NW9 4BJ appear thirty-one times in the Land Registry records, with the latest transaction recorded on 13 Mar 2026. It also has twenty-five Energy Performance Certificates (EPC) entries, the earliest dating back to 27 Apr 2016. 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.