Flat 6, 21
Flat 6, 21
Description & Estimates
Public records show Flat 6, 21, John Street to be a period leasehold apartment with 1,603 ft2 of internal area.
In this area, apartments of this size normally have 3 bedrooms.
Flat 6, 21, John Street has an estimated sale value of £1,665,794 and an estimated rental value of £6,561 per month, assuming reasonable condition and based on the information available.
The apartment sits within 21, John Street, London, WC1.
John Street, London, WC1 lies in the borough of Camden, within the WC1 postal district.
Our Data Sources
Flat 6, 21, John Street has a single entry in the Land Registry from December 2025 and a single entry in the EPC database dated May 2024.
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.
Price Range & Condition
In very good condition, we estimate Flat 6, 21, John Street would be worth £1,749,083, with a potential rental value of £6,889 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,549,188, with a rental value of £6,101 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of Flat 6, 21, John Street has dropped by £16,377 (1.0%) over the last year. During the same period, its estimated monthly rental value has risen by £326 (5.0%). The property's estimated gross yield is currently 4.7%.
Energy Efficiency
Flat 6, 21, John Street has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 May 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
Flat 6, 21, John Street last changed hands on 19th December 2025, selling for £1,350,000. The transaction was logged as a leasehold flat by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 2.6% since December 2025.
- Sold Dec 2025£1,350,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 250 metres of Flat 6, 21, John Street across the last 2 years.
Most recently, Flat 13, 10-12, North Mews, London, WC1N 2JN, a leasehold flat, sold at £1,760,000 on the 29th August 2025.
Read more about house prices in WC1.
- Sold Aug 2025£1,760,000 | 3 Bed Flat10-12, North MewsFlat 13, 10-12, North Mews, London, WC1N 2JN
- Sold Aug 2024£855,000 | 3 Bed Flat21, John StreetFlat 1, 21, John Street, London, WC1N 2BF
- Sold Sep 2021£1,575,000 | 3 Bed FlatPeterborough House 1, Jubilee WalkFlat 31, Peterborough House 1, Jubilee Walk, London, WC1X 0BF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks Flat 6, 21, John Street as the 21st largest and the 24th most expensive of the 82 addresses on John Street, London, WC1.
Against the WC1 postcode district average, it is £934k more expensive than the typical property.
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Schools Nearby
- 100mSt George the Martyr Church of England Primary School
- 300mChristopher Hatton Primary School
- 500mSt Alban's Church of England Primary School
- 1.2kmElizabeth Garrett Anderson School
- 1.4kmMaria Fidelis Catholic School FCJ
- 1.8kmRegent High School
More reading links
Public Transport Nearby
Russell Square station is the nearest stop to Flat 6, 21, John Street at 600 metres away.
- 600mRussell Square
- 600mChancery Lane
- 700mHolborn
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.
