Our Data Sources
20, Sefton Avenue has 41 entries in the Land Registry , most recently in April 2010 and a single entry in the EPC database dated July 2021.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 20, Sefton Avenue is in very good condition we estimate a sale value of £1,077,989 and a rental value of £4,437 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £954,790 and a rental value of £3,930 per month.
Plot Size
According to data from HM Land Registry, 20, Sefton Avenue sits on a plot of 354 m2.
We have plot size data on 30 out of 30 other houses in the postcode and 20, Sefton Avenue sits on the 17th largest plot.
Energy Efficiency
20, Sefton Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 22 Jul 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 20, Sefton Avenue was last sold on 22nd April 2010 for £412,500 and was recorded as a freehold house.
The property has had 4 sales since 1995.
Since April 2010, the market for similar properties has risen by 94.3%.
- Sold Apr 2010£412,500
- Sold Mar 2004£342,000
- Sold Jul 2001£249,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 28 sales of properties similar to 20, Sefton Avenue within a radius of 490 metres over the last 2 years.
The most recent example is 2, Derwent Avenue, London, NW7 3DZ, a freehold house which sold for £980,000 on the 19th December 2025.
Read more about house prices in NW7.
- Sold Dec 2025£980,000 | 5 Bed House2, Derwent Avenue, London, NW7 3DZ2, Derwent Avenue, London, NW7 3DZ
- Sold Dec 2025£1,100,000 | 5 Bed House18, Downhurst Avenue, London, NW7 3QA18, Downhurst Avenue, London, NW7 3QA
- Sold Nov 2024£1,150,000 | 5 Bed House31, Derwent Avenue, London, NW7 3DY31, Derwent Avenue, London, NW7 3DY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Sefton Avenue, London, NW7 has a total of 71 addresses. According to our analysis of all the public data, 20, Sefton Avenue is the 3rd largest and the 7th most expensive property on the street.
When compared to the postcode district it is £322k more expensive than the average property in NW7.
More reading links
Schools Nearby
- Deansbrook Infant School100 m away
- Deansbrook Junior School100 m away
- The Annunciation RC Junior School300 m away
- Saracens High School1.8 km away
- Mill Hill County High School1.9 km away
- St James' Catholic High School2.0 km away
More reading links
Public Transport Nearby
- Mill Hill Broadway|800 m away
- Edgware|1.1 km away
- Burnt Oak|1.3 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
