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Locally, apartments of this size normally have 3 bedrooms.
Our estimate of the sale value of 23A, Warwick Avenue is £1,394,263 and its rental estimate is £4,784 per month, given the available information and assuming reasonable condition.
23, Warwick Avenue is a residential building on Warwick Avenue, London, W9 and falls within the W9 postal district and the London Borough of City of Westminster.
23A, Warwick Avenue has a single entry in the Land Registry from November 2019 and a single entry in the EPC database dated February 2016.
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.
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 23A, Warwick Avenue, we estimate a market value of £1,463,976 and a rental value of £5,024 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £1,296,665 and £4,449 per month respectively.
Over the last year, 23A, Warwick Avenue has seen its estimated sale value decrease by £811 (0.1%) and its estimated rental value grow by £323 per month (6.7%). This results in an estimated gross rental yield of 4.1%.
23A, Warwick Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Feb 2016.
The property is connected to mains gas and has single glazed windows. It is heated using Boiler and radiators, mains gas.
The most recent sale of 23A, Warwick Avenue completed on 19th November 2019 at £1,225,000 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 40.1% over the period since November 2019.
Over the past 2 years 3 properties similar to 23A, Warwick Avenue have sold within a radius of 300 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 21st October 2025, was 23A , Clifton Villas, London, W9 2PH, a leasehold flat which sold for £1,600,000.
Read more about house prices in W9.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Of the 320 addresses on Warwick Avenue, London, W9, 23A, Warwick Avenue comes out as the 54th largest and the 42nd most expensive in our analysis of the public data.
It is also £611k more expensive than the average property across the W9 district.
From 23A, Warwick Avenue, the nearest station is Warwick Avenue, 100 metres away.
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
The flood risk here is rated very low, based on Environment Agency data.
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The recent census recorded whether a resident owned or rented their home.
In the area around 23A, Warwick Avenue, 39.7% of property is privately owned outright and 35.3% is privately rented.
The graph below shows how this compares to Greater London and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 23A, Warwick Avenue, 24.3% of residents are recorded as possessing school level qualifications and 64.2% as possessing degree level qualifications.
The graph below shows how this compares to Greater London and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around 23A, Warwick Avenue, the average age was 39.6 and the most common age was 32.
The graph below shows how this compares to Greater London and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 23A, Warwick Avenue, 13.1% of property was a second home.
Comparison figures for Greater London and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 23A, Warwick Avenue, there are an average of 1.0 cars per household.
See below for how this compares to Greater London and the rest of England & Wales.