Flat 2, 7 Onslow Gardens, London, SW7 3LY is a leasehold flat built before 1900. The property offers approximately 1,711 square feet of living space and is situated on the 2nd floor. In this location, apartments of similar size usually have five bedrooms.

The estimated current market value of the property is £3,836,364 , which equates to approximately £2,242 per square foot. It was last sold on 10 Jul 2009 for £2,650,000. Since then, the value has increased by £1,186,364, representing a 44.8% increase, or approximately 2.6% per year.

The current estimated value of £3,836,364 is:

  • 175.8% higher than the average property price on Onslow Gardens
  • 24.9% higher than the average in the SW7 3LY postcode area
  • and 373.9% higher than the average price for London as a whole

At the most recent EPC inspection on 27 September 2019, the property was recorded as owner-occupied.

View sold house prices in SW7 3LY

Building approximate location

About Property

Type
Flat
Built
before 1900
Interior Size
1711 sq ft
Tenure
Leasehold
Floor level
2nd floor
Price (estimate)
£3,836,364
Price Per sq ft (estimate)
£2,242
Bedroom Count (estimate)
5 bedrooms

EPC Summary

Flat 2, 7 Onslow Gardens, London, Kensington And Chelsea, Greater London Authority, SW7 3LY has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 27 Sep 2019.

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 single glazed.

The previous EPC assessment was conducted on 7 May 2009, when the property was rated E. Since then, the rating has improved to C, with the energy efficiency score increasing by 43.8%.

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 energy efficiency changing from very good to good, while the system remained as from main system.
  • The roof construction or insulation changed from flat, no insulation to (another dwelling above), changing energy efficiency from very poor to n/a.
  • The lighting was updated from no low energy lighting to low energy lighting in 33% of fixed outlets, with efficiency improving from very poor to average.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Single glazed
Very Poor
Lighting
Low energy lighting in 33% of fixed outlets
Average

Sale History

Today
£3,836,364
streetscan.co.uk estimate
+45 %
10 Jul 2009
£2,650,000
Leasehold
+130.4 %
9 Apr 1999
£1,150,000
Leasehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
Low flood risk
Surface water flood hazard
Low

* 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 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 Low
  • 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: 4
size: 1679 sq ft
sale price: £3,700,000
sale date: 13 Feb 2026
rooms: 4
size: 1615 sq ft
sale price: £1,650,000
sale date: 30 Jan 2026
rooms: 5
size: 1496 sq ft
sale price: £3,500,000
sale date: 28 Mar 2025
rooms: 5
size: 1464 sq ft
sale price: £2,325,000
sale date: 3 Apr 2020
rooms: 4
size: 1791 sq ft
sale price: £3,400,000
sale date: 19 Oct 2018

Data Sources

The property at Flat 2, 7 Onslow Gardens, London, SW7 3LY appears two times in HM Land Registry records, with the latest transaction recorded on 10 Jul 2009. It also has three Energy Performance Certificate (EPC) records, the earliest dating back to 27 Sep 2019. 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.