First Floor Flat, 9 St Marks Place, London, W11 1NS is a leasehold flat built between 1900-1929. The property offers approximately 452 square feet of living space and is situated on the 2nd floor. In this location, apartments of similar size usually have one bedroom.

The estimated current market value of the property is £432,035 , which equates to approximately £956 per square foot. It was last sold on 16 Oct 1998 for £95,000. Since then, the value has increased by £337,035, representing a 354.8% increase, or approximately 13.1% per year.

The current estimated value of £432,035 is:

  • 64.0% lower than the average property price on St Marks Place
  • 68.3% lower than the average in the W11 1NS postcode area
  • and 50.6% lower than the average price for London as a whole

At the most recent EPC inspection on 22 April 2025, the property was recorded as owner-occupied.

View sold house prices in W11 1NS

Building approximate location

About Property

Type
Flat
Built
1900-1929
Interior Size
452 sq ft
Tenure
Leasehold
Floor level
2nd floor
Price (estimate)
£432,035
Price Per sq ft (estimate)
£956
Bedroom Count (estimate)
1 bedroom

EPC Summary

First Floor Flat, 9 St Marks Place, London, Kensington And Chelsea, Greater London, W11 1NS has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 22 Apr 2025.

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 single glazed.

The previous EPC assessment was conducted on 14 Aug 2013, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 18.8%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from flat, no insulation (assumed) to (another dwelling above), changing energy efficiency from very poor to n/a.
  • The wall energy efficiency improving from very poor to poor, with the construction or insulation remaining solid brick, as built, no insulation (assumed).
  • The lighting was updated from no low energy lighting to low energy lighting in all fixed outlets, with efficiency improving from very poor to very good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Walls
Solid brick, as built, no insulation (assumed)
Poor
Windows
Single glazed
Very Poor
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to W11 1NS

14 th / 14
Price Rank
68% lower than average
6 th / 6
Size Rank
66% smaller than average
4 th / 6
Price Per Sq FT Rank
8% lower than average

Compared to other properties in W11 1NS , this flat's estimated value ranks 14th out of 14. Based on price per square foot, it ranks 4th out of 6 properties. This indicates a lower price per square foot than most, suggesting good value for the space offered. In terms of size, this home ranks 6th out of 6 properties in its postcode area.

Sale History

Today
£432,035
streetscan.co.uk estimate
+355 %
16 Oct 1998
£95,000
Leasehold

Area Insights

Nearby Properties

6 St Marks Place, London, W11 1NS
rooms: 6
size: 2153 sq ft
sale price: £2,800,000
sale date: 28 Feb 2022
4 St Marks Place, London, W11 1NS
rooms: 8
size: 2142 sq ft
sale price: £466,500
sale date: 1 Oct 1996
3A St Marks Place, London, W11 1NS
rooms: 2
size: 721 sq ft
sale price: £150,000
sale date: 9 Jul 1998
1 St Marks Place, London, W11 1NS
rooms: 8
size: 2669 sq ft
sale price: £2,850,000
sale date: 20 Jun 2019
Ground Floor Flat, 3 St Marks Place, London, W11 1NS
rooms: 3
size: 743 sq ft
sale price: £520,000
sale date: 5 Jan 2015

Data Sources

The property at First Floor Flat, 9 St Marks Place, London, Kensington And Chelsea, Greater London, W11 1NS appears once in the Land Registry records, with the transaction recorded on 16 Oct 1998. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 22 Apr 2025. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.
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