Penthouse 10, Portman Mansions Chiltern Street, London, W1U 6NS is a leasehold flat built between 1930-1949. The property offers approximately 818 square feet of living space and is situated on the 6th floor. In this location, apartments of similar size usually have two bedrooms.

The estimated current market value of the property is £1,177,041 , which equates to approximately £1,439 per square foot. It was last sold on 3 Sep 2004 for £525,000. Since then, the value has increased by £652,041, representing a 124.2% increase, or approximately 5.8% per year.

The current estimated value of £1,177,041 is:

  • 21.6% lower than the average property price on Chiltern Street
  • 21.5% lower than the average in the W1U 6NS postcode area
  • and 34.5% higher than the average price for London as a whole

At the most recent EPC inspection on 17 September 2020, the property was recorded as owner-occupied.

View sold house prices in W1U 6NS

Building approximate location

About Property

Type
Flat
Built
1930-1949
Interior Size
818 sq ft
Tenure
Leasehold
Floor level
6th floor
Price (estimate)
£1,177,041
Price Per sq ft (estimate)
£1,439
Bedroom Count (estimate)
2 bedrooms

EPC Summary

Penthouse 10, Portman Mansions Chiltern Street, London, City Of Westminster, Greater London, W1U 6NS has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 17 Sep 2020.

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 fully double glazed.

The previous EPC assessment was conducted on 12 Feb 2010, when the property was rated C. The current rating of D reflects a decline in energy efficiency of 25.3%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from flat, insulated (assumed) to flat, no insulation (assumed), changing energy efficiency from average to very poor.
  • The wall construction or insulation changed from timber frame, as built, insulated (assumed) to solid brick, as built, no insulation (assumed), changing energy efficiency from good to very poor.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Flat, no insulation (assumed)
Very Poor
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Good
Lighting
No low energy lighting
Very Poor

Compared to W1U 6NS

11 th / 16
Price Rank
22% lower than average
15 th / 16
Size Rank
28% smaller than average
3 rd / 16
Price Per Sq FT Rank
9% higher than average

Compared to other properties in W1U 6NS , this flat's estimated value ranks 11th out of 16. Based on price per square foot, it ranks 3rd 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 15th out of 16 properties in its postcode area.

Sale History

Today
£1,177,041
streetscan.co.uk estimate
+124 %
3 Sep 2004
£525,000
Leasehold
+40.9 %
18 Jul 2003
£372,500
Leasehold
+28.4 %
14 Jul 1999
£290,000
Leasehold
+16 %
9 Jan 1998
£249,995
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 3
size: 775 sq ft
sale price: £1,460,000
sale date: 27 Sep 2019
rooms: 4
size: 920 sq ft
sale price: £390,000
sale date: 23 Jan 2004
rooms: 3
size: 872 sq ft
sale price: £382,500
sale date: 24 Sep 2003
rooms: 3
size: 915 sq ft
sale price: £155,500
sale date: 14 Apr 1997
rooms: 4
size: 850 sq ft
sale price: £1,250,000
sale date: 11 Jul 2024

Data Sources

The property at Penthouse 10, Portman Mansions Chiltern Street, London, W1U 6NS appears four times in the Land Registry records, with the latest transaction recorded on 3 Sep 2004. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 17 Sep 2020. 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.