Flat 2, 55 Onslow Square, London, SW7 3LR is a leasehold flat built before 1900. The property offers approximately 1,530 square feet of living space and is situated on the 1st floor. In this location, apartments of similar size usually have five bedrooms.

The estimated current market value of the property is £5,468,341 , which equates to approximately £3,578 per square foot. It was last sold on 2 Sep 2011 for £4,490,000. Since then, the value has increased by £978,341, representing a 21.8% increase, or approximately 1.5% per year.

The current estimated value of £5,468,341 is:

  • 157.7% higher than the average property price on Onslow Square
  • 35.9% higher than the average in the SW7 3LR postcode area
  • and 575.5% 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 20 May 2011, the property was recorded as owner-occupied.

View sold house prices in SW7 3LR

Building approximate location

About Property

Type
Unknown Maisonette
Built
before 1900
Interior Size
1530 sq ft
Tenure
Leasehold
Floor level
1st floor
Price (estimate)
£5,468,341
Price Per sq ft (estimate)
£3,578
Bedroom Count (estimate)
5 bedrooms

EPC Summary

Flat 2, 55 Onslow Square, London, Kensington And Chelsea, Greater London Authority, SW7 3LR has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 20 May 2011.

This property uses a gas boiler with underfloor heating as its main heating source. It is connected to mains gas. Hot water is provided from the main heating system, though the cylinder has no thermostat. The windows are single glazed.

The previous EPC assessment was conducted on 1 Feb 2010, when the property was rated C. The current rating of D reflects a decline in energy efficiency of 23.1%.

Since the previous assessment, several changes were observed:

  • The heating system was upgraded from boiler and radiators, mains gas to boiler and underfloor heating, mains gas, changing energy efficiency from very good to good.
  • The hot water system was changed from from main system to from main system, no cylinder thermostat, with its energy efficiency changing from very good to average.
  • The wall construction or insulation changed from solid brick, with internal insulation to solid brick, as built, no insulation (assumed), changing energy efficiency from good to very poor.
Heating Type
Boiler and underfloor heating, mains gas
Good
Hot Water
From main system, no cylinder thermostat
Average
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Single glazed
Very Poor
Lighting
No low energy lighting
Very Poor

Compared to SW7 3LR

2 nd / 22
Price Rank
36% higher than average
10 th / 13
Size Rank
16% smaller than average
1 st / 13
Price Per Sq FT Rank
62% higher than average

Sale History

Today
£5,468,341
streetscan.co.uk estimate
+22 %
2 Sep 2011
£4,490,000
Leasehold
+12.4 %
9 Jun 2010
£3,995,200
Leasehold
+112.5 %
5 Jun 2006
£1,880,000
Leasehold
+168.6 %
30 Jun 1998
£700,000
Leasehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
Very low flood risk
Surface water flood hazard
No mapped risk

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has very low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has very low surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk

Area Insights

Similar Properties Sold Nearby

rooms: 3
size: 1507 sq ft
sale price: £3,150,000
sale date: 30 May 2014
rooms: 5
size: 1757 sq ft
sale price: £2,150,000
sale date: 14 Aug 2009
rooms: 4
size: 1378 sq ft
sale price: £2,300,000
sale date: 22 May 2009
rooms: 4
size: 1367 sq ft
sale price: £985,000
sale date: 25 Nov 2005
rooms: 5
size: 1313 sq ft
sale price: £1,725,000
sale date: 2 Oct 2025

Data Sources

The property at Flat 2, 55 Onslow Square, London, SW7 3LR appears four times in HM Land Registry records, with the latest transaction recorded on 2 Sep 2011. It also has two Energy Performance Certificate (EPC) records, the earliest dating back to 20 May 2011. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.