Our Data Sources
25, Gwillim Close, Sidcup has a single entry in the Land Registry from October 2023 and a single entry in the EPC database dated June 2014.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high 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 25, Gwillim Close, Sidcup, we estimate a market value of £262,714 and a rental value of £1,564 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £232,690 and £1,385 per month respectively.
Energy Efficiency
25, Gwillim Close, Sidcup has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Jun 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 25, Gwillim Close, Sidcup completed on 16th October 2023 at £220,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 3.6% over the period since October 2023.
- Sold Oct 2023£220,000
Similar Properties Sold Nearby
Over the past 2 years 59 properties similar to 25, Gwillim Close, Sidcup have sold within a radius of 460 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th December 2025, was 16, Gwillim Close, Sidcup, DA15 9NQ, a leasehold flat which sold for £215,000.
Read more about house prices in DA15.
- Sold Dec 2025£215,000 | 2 Bed Flat16, Gwillim Close, Sidcup, DA15 9NQ16, Gwillim Close, Sidcup, DA15 9NQ
- Sold Feb 2024£280,000 | 2 Bed Flat27, Gwillim Close, Sidcup, DA15 9NQ27, Gwillim Close, Sidcup, DA15 9NQ
- Sold Aug 2021£160,000 | 2 Bed Flat11, Gwillim Close, Sidcup, DA15 9NQ11, Gwillim Close, Sidcup, DA15 9NQ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 58 addresses on Gwillim Close, Sidcup, DA15, 25, Gwillim Close, Sidcup comes out as the 13th largest and the 43rd most expensive in our analysis of the public data.
It is also £253k less expensive than the average property across the DA15 district.
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Schools Nearby
- Sherwood Park Primary School600 m away
- Days Lane Primary School700 m away
- Danson Primary School700 m away
- Blackfen School for Girls500 m away
- Bexley Grammar School600 m away
- Harris Academy Falconwood1.4 km away
More reading links
Public Transport Nearby
- Welling|1.6 km away
- Sidcup|1.9 km away
- Falconwood|2.1 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
