Flat 6, 6
Flat 6, 6
Description & Estimates







Flat 6, 6, Upper John Street is recorded publicly as a modern leasehold apartment across 538 ft2 of internal area.
Locally, apartments of this size normally have 2 bedrooms.
Our estimate of the sale value of Flat 6, 6, Upper John Street is £799,871 and its rental estimate is £3,476 per month, given the available information and assuming reasonable condition.
6, Upper John Street is a residential building on Upper John Street, London, W1 and falls within the W1 postal district and the London Borough of City of Westminster.
Our Data Sources
Flat 6, 6, Upper John Street has a single entry in the Land Registry from September 2018 and a single entry in the EPC database dated February 2026.
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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For Flat 6, 6, Upper John Street, we estimate a market value of £839,864 and a rental value of £3,650 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £743,880 and £3,233 per month respectively.
Recent Market Change
Over the last year, Flat 6, 6, Upper John Street has seen its estimated sale value drop by £10,137 (1.3%) and its estimated rental value rise by £176 per month (5.1%). This results in an estimated gross rental yield of 5.2%.
Energy Efficiency
Flat 6, 6, Upper John Street has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Feb 2026.
The property is connected to mains gas and has multiple glazing throughout. It is heated using Community scheme.
Sold Prices
The most recent sale of Flat 6, 6, Upper John Street completed on 7th September 2018 at £1,050,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 14.8% over the period since September 2018.
- Sold Sep 2018£1,050,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to Flat 6, 6, Upper John Street have sold within a radius of 330 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 16th September 2025, was Flat 6, 20A , Great Windmill Street, London, W1D 7LA, a leasehold flat which sold for £900,000.
Read more about house prices in W1.
- Sold Sep 2025£900,000 | 2 Bed Flat20A , Great Windmill StreetFlat 6, 20A , Great Windmill Street, London, W1D 7LA
- Sold Jan 2025£650,000 | 2 Bed Flat5, Peter StreetApartment 9, 5, Peter Street, London, W1F 0DN
- Sold Jul 2022£900,000 | 1 Bed Flat6, Upper John StreetFlat 11, 6, Upper John Street, London, W1F 9HB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 13 addresses on Upper John Street, London, W1, Flat 6, 6, Upper John Street comes out as the 8th largest and the 8th most expensive in our analysis of the public data.
It is also £1.309m less expensive than the average property across the W1 district.
More reading links
Schools Nearby
- 200mSoho Parish CofE Primary School
- 900mAll Souls CofE Primary School
- 900mSt George's Hanover Square CofE Primary School
- 1.5kmThe St Marylebone CofE School
- 1.6kmWestminster City School
- 1.8kmThe Grey Coat Hospital
More reading links
Public Transport Nearby
From Flat 6, 6, Upper John Street, the nearest station is Piccadilly Circus, 400 metres away.
- 400mPiccadilly Circus
- 400mOxford Circus
- 700mLeicester Square
Available Internet Speeds
Internet coverage here is poor, based on recent Ofcom data, and connectivity may be weak or unavailable.
According to recent data from Ofcom, Slow/none broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.

