The N12 postcode district in London sits across West Finchley, spanning the local authority areas of Barnet. It groups thousands of unit postcodes used for addressing and is a practical geography for comparing west finchley property market activity with neighbouring districts. In the 12 months to 28 August 2026, recorded paid sales show an average sold price around £636,997 across 165 transactions in the district. On a year-on-year basis, the average moved about up 6.7% compared with the previous 12 months. The busiest segment was flat / maisonette, with 75 sales in that period—useful context when you compare house prices in N12 across terraces, flats and houses. Barnet sold prices in the official Price Paid extract reflect completions (not asking prices), so they’re a solid base for research, desk-based due diligence and area IQ-style comparisons. We surface the latest-sale pattern per postcode where a standard paid sale exists in-window.
Street-level sold prices and property data for all 134 postcodes in N12 with a paid sale in the last 12 months. Sourced from HM Land Registry.
According to Property Insights UK, the average house price in N12 (West Finchley, Barnet) was £636,997 in the 12 months to 28 August 2026, based on 165 Land Registry transactions. Prices rose 6.7% year-on-year. Flat / maisonette properties were the most commonly sold type, with a median price of £380,000.
Figures are derived from HM Land Registry Price Paid Data — Category A standard paid residential sales only. Licensed under the Open Government Licence v3.0.
Prices by property type — N12
Median sold price · last 12 months to 2026-08-28 · Land Registry
Showing 134 of 134 postcodes (latest standard paid sale per unit postcode in the last 12 months in this district).
Help & guidance
Frequently asked questions about N12
Straightforward answers about sold prices, Land Registry data and what you can do with this page.
1
What is the average house price in N12?
The average sold price in N12 (West Finchley) is £636,997 based on 165 sales in the last 12 months, as of 28 August 2026. This represents a 6.7% change compared to the previous 12 months (average basis).
2
What types of properties sell most in N12?
The most common property type sold in N12 in the last 12 months is flat / maisonette with 75 sales. The median price for a flat / maisonette in N12 is £380,000.
3
What is the cheapest property type in N12?
Based on Land Registry data, flat / maisonette properties have the lowest median price in N12 at £380,000. This is based on 75 sales in the last 12 months.
4
Has the N12 property market gone up or down?
House prices in N12 have risen by 6.7% in the last 12 months compared to the previous year. The average sold price moved from £596,898 to £636,997.
5
Is N12 freehold or leasehold?
In the last 12 months, 89 sales in N12 were freehold (53.9%) and 76 were leasehold (46.1%), using the Land Registry Duration field on each transaction (165 sales in total in this slice).