Flat 2, 44 Onslow Square, London, SW7 3NX is a leasehold flat built before 1900. The property offers approximately 1,402 square feet of living space and is situated on the 1st floor of a 3-storey building. In this location, apartments of similar size usually have five bedrooms.

The estimated current market value of the property is £3,717,191 , which equates to approximately £2,656 per square foot. It was last sold on 8 Jun 2016 for £4,140,000. Since then, the value has decreased by £422,809, representing a 10.2% decrease, or approximately 1.0% per year.

The current estimated value of £3,717,191 is:

  • 75.2% higher than the average property price on Onslow Square
  • 18.2% higher than the average in the SW7 3NX postcode area
  • and 359.2% 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 24 September 2010, the property was recorded as owner-occupied.

View sold house prices in SW7 3NX

Building approximate location

About Property

Type
Detached Maisonette
Built
before 1900
Interior Size
1402 sq ft
Tenure
Leasehold
Floor level
1st floor of 3
Price (estimate)
£3,717,191
Price Per sq ft (estimate)
£2,656
Bedroom Count (estimate)
5 bedrooms

EPC Summary

Flat 2, 44 Onslow Square, London, Kensington And Chelsea, Greater London Authority, SW7 3NX has an Energy Performance Certificate (EPC) rating of F, based on the latest assessment carried out on 24 Sep 2010.

This property is heated via a community heating scheme that uses mains gas as its energy source. Hot water is provided from off-peak electric immersion heater. The windows have partial multiple glazing.

The previous EPC assessment was conducted on 6 Apr 2009. The rating of F is unchanged, though the energy efficiency score decreased by 6.9%.

Since the previous assessment, several changes were observed:

  • The heating system changed from community scheme to community scheme, mains gas, with no change in energy efficiency (good).
  • The hot water system changed from from main system to electric immersion, off-peak, with no change in energy efficiency (good).
  • The windows were upgraded from partial double glazing to partial multiple glazing.
  • The lighting was changed from low energy lighting in 5% of fixed outlets to no low energy lighting, with no change in efficiency (very poor).
Heating Type
Community scheme, mains gas
Good
Hot Water
Electric immersion, off-peak
Good
Roof
Flat, no insulation (assumed)
Very Poor
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Partial multiple glazing
Poor
Lighting
No low energy lighting
Very Poor

Compared to SW7 3NX

4 th / 12
Price Rank
18% higher than average
2 nd / 8
Size Rank
16% bigger than average
2 nd / 8
Price Per Sq FT Rank
2% higher than average

Sale History

Today
£3,717,191
streetscan.co.uk estimate
-10 %
8 Jun 2016
£4,140,000
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: 1206 sq ft
sale price: £2,650,000
sale date: 31 Oct 2018
rooms: 5
size: 1313 sq ft
sale price: £1,725,000
sale date: 2 Oct 2025
rooms: 4
size: 1539 sq ft
sale price: £2,500,000
sale date: 15 Aug 2025
rooms: 4
size: 1335 sq ft
sale price: £1,850,000
sale date: 25 Apr 2025
rooms: 4
size: 1259 sq ft
sale price: £2,825,000
sale date: 1 Nov 2024

Data Sources

The property at Flat 2, 44 Onslow Square, London, SW7 3NX appears once in HM Land Registry records, with the transaction recorded on 8 Jun 2016. It also has two Energy Performance Certificate (EPC) records, the earliest dating back to 24 Sep 2010. 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.