Our Data Sources
Flat 9, 21, Frognal has 31 entries in the Land Registry, most recently in April 2024 and a single entry in the EPC database dated February 2019.
We combine this information with that 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 9, 21, Frognal is in very good condition we estimate a sale value of £348,169 and a rental value of £1,618 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £308,378 and a rental value of £1,433 per month.
Energy Efficiency
Flat 9, 21, Frognal has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Feb 2019.
The property is not connected to mains gas and has single glazed windows. It is heated using electric storage heaters.
Sold Prices
According to HM Land Registry, Flat 9, 21, Frognal was last sold on 17th April 2024 for £260,000 and was recorded as a leasehold flat.
The property has had 3 sales since 1995.
Since April 2024, the market for similar properties has risen by 0.8%.
- Sold Apr 2024£260,000
- Sold May 2017£243,500
- Sold May 2002£95,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 11 sales of properties similar to Flat 9, 21, Frognal within a radius of 330 metres since 2010.
The most recent example is Flat 8, 19, Frognal, London, NW3 6AR, a leasehold flat which sold for £341,000 on the 1st August 2025.
Read more about house prices in NW3.
- Sold Aug 2025£341,000 | 1 Bed FlatFlat 8, 19, Frognal, London, NW3 6ARFlat 8, 19, Frognal, London, NW3 6AR
- Sold Jul 2024£325,000 | 1 Bed FlatFlat 9, 28, Frognal, London, NW3 6AGFlat 9, 28, Frognal, London, NW3 6AG
- Sold Aug 2022£388,000 | 1 Bed FlatFlat 7, 28, Frognal, London, NW3 6AGFlat 7, 28, Frognal, London, NW3 6AG
- Sold May 2019£311,000 | 1 Bed FlatFlat 14, 21, Frognal, London, NW3 6ARFlat 14, 21, Frognal, London, NW3 6AR
- Sold Oct 2017£384,000 | 1 Bed FlatFlat 4, 16, Frognal, London, NW3 6AGFlat 4, 16, Frognal, London, NW3 6AG
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £346,096, ranging from £238,572 to £785,547.
- Flat 11, 21 Frognal
1 Bed Flat | 0 m | Est. Value: £266,342
- Flat 4, 21 Frognal
1 Bed Flat | 0 m | Est. Value: £307,807
- Flat 15, 21 Frognal
0 Bed Flat | 0 m | Est. Value: £238,572
- Flat 12A, 21 Frognal
0 Bed Flat | 0 m | Est. Value: £256,058
- Flat 3, 21 Frognal
1 Bed Flat | 0 m | Est. Value: £384,529
Location Comparison
Frognal, London, NW3 has a total of 386 addresses. According to our analysis of all the public data, Flat 9, 21, Frognal is the 355th largest and the 368th most expensive property on the street.
When compared to the postcode district it is £1.003m less expensive than the average property in NW3.
More reading links
Schools Nearby
- Fitzjohn's Primary School400 m away
- Holy Trinity CofE Primary School, NW3600 m away
- Hampstead Parochial Church of England Primary School600 m away
- The UCL Academy1.2 km away
- Harris Academy St John's Wood1.5 km away
- Hampstead School1.9 km away
More reading links
Public Transport Nearby
- Finchley Road & Frognal|200 m away
- Finchley Road|500 m away
- Hampstead|600 m 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 available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.





