Our Data Sources
40, Sydney Street has 31 entries in the Land Registry , most recently in September 2014 and a single entry in the EPC database dated January 2014.
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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 40, Sydney Street, we estimate a market value of £4,618,960 and a rental value of £18,479 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £4,091,079 and £16,367 per month respectively.
Plot Size
HM Land Registry records the plot of land for 40, Sydney Street as measuring 128 m2.
That makes it the 6th largest plot in the postcode, where 8 of the 10 other houses have recorded plot data.
Energy Efficiency
40, Sydney Street has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Jan 2014.
The property is not connected to mains gas and has single glazed windows. It is heated using Boiler and radiators, mains gas, Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 40, Sydney Street completed on 30th September 2014 at £4,800,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 5.0% over the period since September 2014.
- Sold Sep 2014£4,800,000
- Sold Mar 2007£2,850,000
- Sold Feb 1999£1,045,000
Similar Properties Sold Nearby
Over the past 2 years 17 properties similar to 40, Sydney Street have sold within a radius of 300 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 16th December 2025, was 15, Sydney Street, London, SW3 6PU, a freehold house which sold for £4,950,000.
Read more about house prices in SW3.
- Sold Dec 2025£4,950,000 | 5 Bed House15, Sydney Street, London, SW3 6PU15, Sydney Street, London, SW3 6PU
- Sold Jun 2024£5,125,000 | 4 Bed House71, Dovehouse Street, London, SW3 6JZ71, Dovehouse Street, London, SW3 6JZ
- Sold Sep 2022£4,250,000 | 4 Bed House61, Sydney Street, London, SW3 6PX61, Sydney Street, London, SW3 6PX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 155 addresses on Sydney Street, London, SW3, 40, Sydney Street comes out as the 18th largest and the 15th most expensive in our analysis of the public data.
It is also £2.32m more expensive than the average property across the SW3 district.
More reading links
Schools Nearby
- Oratory Roman Catholic Primary School100 m away
- Marlborough Primary School400 m away
- Our Lady of Victories RC Primary School600 m away
- St. Thomas More Language College700 m away
- Chelsea Academy1.7 km away
- Saint John Bosco College1.8 km away
More reading links
Public Transport Nearby
- South Kensington|400 m away
- Gloucester Road|800 m away
- Sloane Square|1.0 km away
Available Internet Speeds
Internet coverage here is poor, based on recent Ofcom data, and connectivity may be weak or unavailable.
According to recent data from Ofcom, Slow/none Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
