Detached
£1,637,500
8 sales12m · whole districtMedium confidence
Last updated: 31 March 2026
N3 postcode district — West Finchley, Barnet
The N3 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 31 March 2026, recorded paid sales show an average sold price around £808,379 across 121 transactions in the district. On a year-on-year basis, the average moved about up 5.8% compared with the previous 12 months. The busiest segment was flat / maisonette, with 57 sales in that period—useful context when you compare house prices in N3 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 104 postcodes in N3 with a paid sale in the last 12 months. Sourced from HM Land Registry.
Avg. sold price (12m)
£808,379
↑ 5.8% vs prior 12 months
Recorded sales (12m)
121
Postcodes (12m)
104
Data snapshot
N3 postcode district — key figures
| Average sold price (12 months) | £808,379 |
| Recorded transactions | 121 |
| Year-on-year change | +5.8% |
| Most common property type | Flat / maisonette |
| New build share | 0% |
| Data as of | 31 March 2026 |
Property Insights UKSource: HM Land Registry
According to Property Insights UK, the average house price in N3 (West Finchley, Barnet) was £808,379 in the 12 months to 31 March 2026, based on 121 Land Registry transactions. Prices rose 5.8% year-on-year. Flat / maisonette properties were the most commonly sold type, with a median price of £437,500.
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 — N3
Median sold price · last 12 months to 2026-03-31 · Land Registry
Semi-detached
£950,000
36 sales12m · whole districtHigh confidence
Terraced
£817,500
20 sales12m · whole districtHigh confidence
Flat / maisonette
£437,500
57 sales12m · whole districtHigh confidence
Recently sold in N3
Showing latest sale per postcode
Showing 104 of 104 postcodes (latest standard paid sale per unit postcode in the last 12 months in this district).
Help & guidance
Frequently asked questions about N3
Straightforward answers about sold prices, Land Registry data and what you can do with this page.
What is the average house price in N3?
The average sold price in N3 (West Finchley) is £808,379 based on 121 sales in the last 12 months, as of 31 March 2026. This represents a 5.8% change compared to the previous 12 months (average basis).
What types of properties sell most in N3?
The most common property type sold in N3 in the last 12 months is flat / maisonette with 57 sales. The median price for a flat / maisonette in N3 is £437,500.
What is the cheapest property type in N3?
Based on Land Registry data, flat / maisonette properties have the lowest median price in N3 at £437,500. This is based on 57 sales in the last 12 months.
Has the N3 property market gone up or down?
House prices in N3 have risen by 5.8% in the last 12 months compared to the previous year. The average sold price moved from £764,188 to £808,379.
Is N3 freehold or leasehold?
In the last 12 months, 61 sales in N3 were freehold (50.4%) and 60 were leasehold (49.6%), using the Land Registry Duration field on each transaction (121 sales in total in this slice).