Flat 2, 21 Frognal, London, NW3 6AR is a leasehold flat built between 1900-1929. The property offers approximately 334 square feet of living space. In this location, apartments of similar size usually have one bedroom.

The estimated current market value of the property is £297,815 , which equates to approximately £893 per square foot. It was last sold on 22 May 1998 for £67,000. Since then, the value has increased by £230,815, representing a 344.5% increase, or approximately 12.3% per year.

The current estimated value of £297,815 is:

  • 76.6% lower than the average property price on Frognal
  • 57.0% lower than the average in the NW3 6AR postcode area
  • and 63.2% lower than the average price for London as a whole

View sold house prices in NW3 6AR

Building approximate location

About Property

Type
Flat
Built
1900-1929
Interior Size
334 sq ft
Tenure
Leasehold
Price (estimate)
£297,815
Price Per sq ft (estimate)
£893
Bedroom Count (estimate)
1 bedroom

EPC Summary

Flat 2, 21 Frognal, London, Camden, Greater London Authority, NW3 6AR has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 26 Apr 2018.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows are mostly double glazed.

Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Mostly double glazing
Average
Lighting
Low energy lighting in 29% of fixed outlets
Average

Compared to NW3 6AR

33 rd / 39
Price Rank
57% lower than average
22 nd / 35
Size Rank
41% smaller than average
32 nd / 35
Price Per Sq FT Rank
27% lower than average

Sale History

Today
£297,815
streetscan.co.uk estimate
+345 %
22 May 1998
£67,000
Leasehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
Very low flood risk
Surface water flood hazard
No mapped risk

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has very low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has very low surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk

Area Insights

Similar Properties Sold Nearby

rooms: 1
size: 344 sq ft
sale price: £341,000
sale date: 1 Aug 2025
rooms: 1
size: 323 sq ft
sale price: £260,000
sale date: 17 Apr 2024
rooms: 1
size: 301 sq ft
sale price: £311,000
sale date: 8 May 2019
rooms: 1
size: 312 sq ft
sale price: £359,950
sale date: 14 Aug 2015
rooms: 2
size: 291 sq ft
sale price: £395,000
sale date: 5 Jun 2015

Data Sources

The property at Flat 2, 21 Frognal, London, NW3 6AR appears once in HM Land Registry records, with the transaction recorded on 22 May 1998. It also has a single Energy Performance Certificate (EPC) recorded on 26 Apr 2018. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.