Flat 4N, Portman Mansions Chiltern Street, London, W1U 6NS is a leasehold flat built between 1900-1929. The property offers approximately 775 square feet of living space and is situated on the 4th floor. In this location, apartments of similar size usually have two bedrooms.

The estimated current market value of the property is £1,414,030 , which equates to approximately £1,825 per square foot. It was last sold on 27 Sep 2019 for £1,460,000. Since then, the value has decreased by £45,970, representing a 3.1% decrease, or approximately 0.5% per year.

The current estimated value of £1,414,030 is:

  • 5.8% lower than the average property price on Chiltern Street
  • 5.7% lower than the average in the W1U 6NS postcode area
  • and 61.6% higher than the average price for London as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 18 July 2019, the property was recorded as owner-occupied.

View sold house prices in W1U 6NS

Building approximate location

About Property

Type
Flat
Built
1900-1929
Interior Size
775 sq ft
Tenure
Leasehold
Floor level
4th floor
Price (estimate)
£1,414,030
Price Per sq ft (estimate)
£1,825
Bedroom Count (estimate)
2 bedrooms

EPC Summary

Flat 4N, Portman Mansions Chiltern Street, London, City Of Westminster, Greater London Authority, W1U 6NS has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 18 Jul 2019.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. A community heating scheme is used to provide hot water. The windows have partial secondary glazing.

The previous EPC assessment was conducted on 20 Mar 2009, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 27.3%.

Since the previous assessment, several changes were observed:

  • The main heating energy efficiency changing from very good to good, while the heating system type remained the same (boiler and radiators, mains gas).
  • The hot water system was changed from from main system, no cylinderstat to community scheme, with its energy efficiency changing from very good to good.
  • The roof construction or insulation changed from pitched, no insulation (assumed) to (another dwelling above), changing energy efficiency from very poor to n/a.
  • The windows were upgraded from single glazed to partial secondary glazing.
  • The lighting was updated from low energy lighting in 50% of fixed outlets to low energy lighting in all fixed outlets, with efficiency improving from good to very good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
Community scheme
Good
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Partial secondary glazing
Poor
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to W1U 6NS

5 th / 16
Price Rank
6% lower than average
16 th / 16
Size Rank
32% smaller than average
1 st / 16
Price Per Sq FT Rank
39% higher than average

Compared to other properties in W1U 6NS , this flat's estimated value ranks 5th out of 16. Based on price per square foot, it ranks 1st out of 16 properties. This suggests a relatively high price per square foot, which may reflect quality, location, or recent upgrades. In terms of size, this home ranks 16th out of 16 properties in its postcode area.

Sale History

Today
£1,414,030
streetscan.co.uk estimate
-3 %
27 Sep 2019
£1,460,000
Leasehold
+8.6 %
12 Feb 2018
£1,345,000
Leasehold
+107.9 %
29 May 2009
£647,000
Leasehold
+228.4 %
24 Feb 1997
£197,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 3
size: 818 sq ft
sale price: £525,000
sale date: 3 Sep 2004
rooms: 3
size: 872 sq ft
sale price: £382,500
sale date: 24 Sep 2003
rooms: 4
size: 850 sq ft
sale price: £1,250,000
sale date: 11 Jul 2024
rooms: 3
size: 807 sq ft
sale price: £1,600,000
sale date: 12 Apr 2024
rooms: 4
size: 775 sq ft
sale price: £805,000
sale date: 9 May 2023

Data Sources

The property at Flat 4N, Portman Mansions Chiltern Street, London, W1U 6NS appears four times in the Land Registry records, with the latest transaction recorded on 27 Sep 2019. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 18 Jul 2019. 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.