Flat 1, 50 Maddox Street, London, W1S 1AY is a leasehold flat built before 1900. The property offers approximately 377 square feet of living space and is situated on the 1st floor. In this location, apartments of similar size usually have one bedroom.

The estimated current market value of the property is £903,498 , which equates to approximately £2,398 per square foot. It was last sold on 7 Mar 2025 for £880,000. Since then, the value has increased by £23,498, representing a 2.7% increase, or approximately 3.5% per year.

The current estimated value of £903,498 is:

  • 73.4% lower than the average property price on Maddox Street
  • 37.0% lower than the average in the W1S 1AY postcode area
  • and 3.2% higher than the average price for London as a whole

View sold house prices in W1S 1AY

Building approximate location

About Property

Type
Flat
Built
before 1900
Interior Size
377 sq ft
Tenure
Leasehold
Floor level
1st floor
Price (estimate)
£903,498
Price Per sq ft (estimate)
£2,398
Bedroom Count (estimate)
1 bedroom

EPC Summary

Flat 1, 50 Maddox Street, London, City Of Westminster, Greater London Authority, W1S 1AY has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 13 Mar 2020.

This property is heated by an air source heat pump with warm air heating. Hot water is provided from off-peak electric immersion heater. The windows have some double glazing.

The previous EPC assessment was conducted on 8 Apr 2010, when the property was rated C. The current rating of D reflects a decline in energy efficiency of 12.3%.

Since the previous assessment, several changes were observed:

  • The heating system changed from air source heat pump, underfloor, electric to air source heat pump, warm air, electric, with no change in energy efficiency (average).
  • The roof construction or insulation changed from (other premises above) to (another dwelling above), with no change in energy efficiency (n/a).
  • The wall construction or insulation changed from average thermal transmittance 2.10 w/m?k to solid brick, as built, no insulation (assumed), with no change in energy efficiency (very poor).
  • The windows were upgraded from fully double glazed to some double glazing.
  • The lighting was updated from low energy lighting in 25% of fixed outlets to low energy lighting in 60% of fixed outlets, with efficiency improving from average to good.
Heating Type
Air source heat pump, warm air, electric
Average
Hot Water
Electric immersion, off-peak
Poor
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Some double glazing
Poor
Lighting
Low energy lighting in 60% of fixed outlets
Good

Compared to W1S 1AY

9 th / 14
Price Rank
37% lower than average
13 th / 13
Size Rank
46% smaller than average
1 st / 13
Price Per Sq FT Rank
16% higher than average

Compared to other properties in W1S 1AY , this flat's estimated value ranks 9th out of 14. Based on price per square foot, it ranks 1st out of 13 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 13th out of 13 properties in its postcode area.

Sale History

Today
£903,498
streetscan.co.uk estimate
+3 %
7 Mar 2025
£880,000
Leasehold
-10.8 %
15 Sep 2015
£986,000
Leasehold
+107.6 %
23 Jun 2010
£475,000
Leasehold

Area Insights

Similar Properties Sold Nearby

Flat 1, 52 Maddox Street, London, W1S 1AY
rooms: 2
size: 388 sq ft
sale price: £810,000
sale date: 28 Apr 2023
Flat 2, 54 Maddox Street, London, W1S 1AY
rooms: 2
size: 388 sq ft
sale price: £875,000
sale date: 15 Aug 2014
Flat 2, 50 Maddox Street, London, W1S 1AY
rooms: 2
size: 409 sq ft
sale price: £700,000
sale date: 14 Jun 2012
Flat 2, 46 Maddox Street, London, W1S 1AY
rooms: 2
size: 431 sq ft
sale price: £475,000
sale date: 11 Jun 2010

Data Sources

The property at Flat 1, 50 Maddox Street, London, W1S 1AY appears three times in the Land Registry records, with the latest transaction recorded on 7 Mar 2025. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 13 Mar 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.
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