Our Data Sources
20, Mayfield Avenue has no recent1 records in the the Land Registry and a single entry in the EPC database dated November 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 20, Mayfield Avenue would be worth £935,486, with a potential rental value of £3,637 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £828,573, with a rental value of £3,222 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Mayfield Avenue occupies a 259 m2 plot as recorded by HM Land Registry.
All 13 other houses in this postcode have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
20, Mayfield Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Nov 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
20, Mayfield Avenue last changed hands on 29th November 1996, selling for £100,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Nov 1996£100,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 83 sales of comparable properties within 410 metres of 20, Mayfield Avenue across the last 2 years.
Most recently, 84, Finchley Park, London, N12 9JL, a freehold house, sold at £900,000 on the 26th August 2025.
Read more about house prices in N12.
- Sold Aug 2025£900,000 | 4 Bed House84, Finchley Park, London, N12 9JL84, Finchley Park, London, N12 9JL
- Sold Mar 2025£925,000 | 4 Bed House28, Friern Watch Avenue, London, N12 9NT28, Friern Watch Avenue, London, N12 9NT
- Sold Nov 2023£1,025,000 | 4 Bed House38, Ravensdale Avenue, London, N12 9HT38, Ravensdale Avenue, London, N12 9HT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Agents in our network have reported 2 lettings within 410 metres of 20, Mayfield Avenue across the last 2 years.
The newest of these is 18, Limes Avenue, London, N12 8QN, a freehold house let by Robert Lewis Property in March 2024.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Our analysis of the public data ranks 20, Mayfield Avenue as the 17th largest and the 26th most expensive of the 175 addresses on Mayfield Avenue, London, N12.
Against the N12 postcode district average, it is £279k more expensive than the typical property.
More reading links
Schools Nearby
- Northside Primary School500 m away
- Sacks Morasha Jewish Primary School600 m away
- St John's CofE Primary and Nursery School800 m away
- Finchley Catholic High School500 m away
- St Michael's Catholic Grammar School700 m away
- The Compton School1.4 km away
More reading links
Public Transport Nearby
- Woodside Park|700 m away
- Totteridge & Whetstone|1.2 km away
- West Finchley|1.5 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












