Our Data Sources
23, Sefton Avenue has a single entry in the Land Registry from April 2014 and a single entry in the EPC database dated January 2014.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 23, Sefton Avenue, we estimate a market value of £887,088 and a rental value of £3,788 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £785,706 and £3,355 per month respectively.
Plot Size
HM Land Registry records the plot of land for 23, Sefton Avenue as measuring 332 m2.
That makes it the 10th largest plot in the postcode, where all 15 other houses have recorded plot data.
Energy Efficiency
23, Sefton Avenue has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 06 Jan 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 23, Sefton Avenue completed on 15th April 2014 at £650,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 42.9% over the period since April 2014.
- Sold Apr 2014£650,000
Similar Properties Sold Nearby
Over the past 2 years 128 properties similar to 23, Sefton Avenue have sold within a radius of 490 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 21st August 2025, was 17, Sefton Avenue, London, NW7 3QB, a freehold house which sold for £850,000.
Read more about house prices in NW7.
- Sold Aug 2025£850,000 | 4 Bed House17, Sefton Avenue, London, NW7 3QB17, Sefton Avenue, London, NW7 3QB
- Sold Jul 2025£715,000 | 4 Bed House18, Sefton Avenue, London, NW7 3QD18, Sefton Avenue, London, NW7 3QD
- Sold Mar 2022£881,500 | 4 Bed House29, Sefton Avenue, London, NW7 3QB29, Sefton Avenue, London, NW7 3QB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 71 addresses on Sefton Avenue, London, NW7, 23, Sefton Avenue comes out as the 32nd largest and the 23rd most expensive in our analysis of the public data.
It is also £140k more expensive than the average property across the NW7 district.
More reading links
Schools Nearby
- Deansbrook Infant School200 m away
- Deansbrook Junior School200 m away
- Mathilda Marks-Kennedy Jewish Primary School400 m away
- Mill Hill County High School1.8 km away
- Saracens High School1.8 km away
- Copthall School2.0 km away
More reading links
Public Transport Nearby
- Mill Hill Broadway|800 m away
- Edgware|1.1 km away
- Burnt Oak|1.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
