Our Data Sources
Flat 12, 25, Onslow Square has a single entry in the Land Registry from October 2024 and a single entry in the EPC database dated February 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If Flat 12, 25, Onslow Square is in very good condition we estimate a sale value of £1,262,029 and a rental value of £7,052 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,117,798 and a rental value of £6,246 per month.
Energy Efficiency
Flat 12, 25, Onslow Square has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 12 Feb 2024.
The property is not connected to mains gas and has fully double glazed windows. It is heated using community scheme.
Sold Prices
According to HM Land Registry, Flat 12, 25, Onslow Square was last sold on 11th October 2024 for £560,000 and was recorded as a leasehold flat.
The property has only had this single sale since 1995.
Since October 2024, the market for similar properties has dropped by 6.1%.
- Sold Oct 2024£560,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 6 sales of properties similar to Flat 12, 25, Onslow Square within a radius of 280 metres since 2015.
The most recent example is Flat 45, Malvern Court, Onslow Square, London, SW7 3HY, a leasehold flat which sold for £1,275,000 on the 16th January 2024.
Read more about house prices in SW7.
- Sold Jan 2024£1,275,000 | 3 Bed FlatFlat 45, Malvern Court, Onslow Square, London, SW7 3HYFlat 45, Malvern Court, Onslow Square, London, SW7 3HY
- Sold Jun 2023£1,080,000 | 3 Bed FlatFlat 4, 18, Old Brompton Road, London, SW7 3DLFlat 4, 18, Old Brompton Road, London, SW7 3DL
- Sold Nov 2022£1,430,000 | 3 Bed Flat44, Pelham Street, London, SW7 2NN44, Pelham Street, London, SW7 2NN
- Sold Dec 2021£780,000 | 3 Bed FlatFlat 27, Melton Court, Onslow Crescent, London, SW7 3JQFlat 27, Melton Court, Onslow Crescent, London, SW7 3JQ
- Sold Jun 2021£615,000 | 3 Bed FlatFlat 6, Melton Court, Onslow Crescent, London, SW7 3JQFlat 6, Melton Court, Onslow Crescent, London, SW7 3JQ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £1,620,000, ranging from £597,723 to £2,762,531.
- Flat 1A, 25 Onslow Square
1 Bed Flat | 0 m | Est. Value: £597,723
- Flat 6, 25 Onslow Square
2 Bed Flat | 0 m | Est. Value: £860,033
- Flat 8, 25 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,037,667
- Flat 11, 25 Onslow Square
2 Bed Flat | 0 m | Est. Value: £1,371,602
- Flat 10, 25 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,014,564
Location Comparison
Onslow Square, London, SW7 has a total of 321 addresses. According to our analysis of all the public data, Flat 12, 25, Onslow Square is the 137th largest and the 274th most expensive property on the street.
When compared to the postcode district it is £861k less expensive than the average property in SW7.
More reading links
Schools Nearby
- Oratory Roman Catholic Primary School300 m away
- Marlborough Primary School400 m away
- Our Lady of Victories RC Primary School500 m away
- St. Thomas More Language College700 m away
- Chelsea Academy1.8 km away
- The London Oratory School1.9 km away
More reading links
Public Transport Nearby
- South Kensington|200 m away
- Gloucester Road|700 m away
- Knightsbridge|1.0 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












