Flat 26, 15
Flat 26, 15
Description & Estimates
According to the public record, Flat 26, 15, Belsize Avenue is a mid-century leasehold apartment with 1,011 ft2 of internal area.
Apartments of this size in this area normally have 3 bedrooms.
Based on available information, and assuming reasonable condition, the estimated sale value for Flat 26, 15, Belsize Avenue is £733,237 and the estimated rental value is £3,362 per month.
The apartment is within 15, Belsize Avenue, London, NW3.
Belsize Avenue, London, NW3 is located in the borough of Camden within the NW3 postal district.
Our Data Sources
Flat 26, 15, Belsize Avenue has 31 entries in the Land Registry , most recently in November 2025 and a single entry in the EPC database dated October 2019.
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 Flat 26, 15, Belsize Avenue is in very good condition we estimate a sale value of £769,898 and a rental value of £3,530 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £681,910 and a rental value of £3,127 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of Flat 26, 15, Belsize Avenue has declined by £11,863 (1.6%), while its estimated rental value has climbed by £205 per month (6.1%). Based on current estimates, the property offers a gross rental yield of 5.5%.
Energy Efficiency
Flat 26, 15, Belsize Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 31 Oct 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Community scheme.
Sold Prices
According to HM Land Registry, Flat 26, 15, Belsize Avenue was last sold on 14th November 2025 for £780,000 and was recorded as a leasehold flat.
The property has had 3 sales since 1995.
Since November 2025, the market for similar properties has dropped by 11.2%.
- Sold Nov 2025£780,000
- Sold Jun 2009£420,000
- Sold Dec 2005£382,550
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Flat 26, 15, Belsize Avenue within a radius of 270 metres over the last 2 years.
The most recent example is Flat 27, Hillfield Court, Belsize Avenue, London, NW3 4BJ, a leasehold flat which sold for £575,000 on the 2nd December 2025.
Read more about house prices in NW3.
- Sold Dec 2025£575,000 | 3 Bed FlatHillfield Court, Belsize AvenueFlat 27, Hillfield Court, Belsize Avenue, London, NW3 4BJ
- Sold Nov 2022£765,000 | 3 Bed Flat15, Belsize AvenueFlat 24, 15, Belsize Avenue, London, NW3 4BL
- Sold Feb 2016£817,500 | 3 Bed Flat15, Belsize AvenueFlat 28, 15, Belsize Avenue, London, NW3 4BL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Belsize Avenue, London, NW3 has a total of 446 addresses. According to our analysis of all the public data, Flat 26, 15, Belsize Avenue is the 125th largest and the 183rd most expensive property on the street.
When compared to the postcode district it is £591k less expensive than the average property in NW3.
More reading links
Schools Nearby
- 400mRosary Catholic Primary School
- 600mFitzjohn's Primary School
- 600mHoly Trinity CofE Primary School, NW3
- 900mThe UCL Academy
- 1.3kmHaverstock School
- 1.4kmHarris Academy St John's Wood
More reading links
Public Transport Nearby
The closest station to Flat 26, 15, Belsize Avenue is Belsize Park station, which is 400 metres away.
- 400mBelsize Park
- 700mFinchley Road
- 700mHampstead Heath
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.
