Our Data Sources
23, Wellington Avenue, Sidcup has no records in the Land Registry and a single entry in the EPC database dated January 2020.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 23, Wellington Avenue, Sidcup would be worth £452,615, with a potential rental value of £2,099 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £400,888, with a rental value of £1,859 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
23, Wellington Avenue, Sidcup occupies a 266 m2 plot as recorded by HM Land Registry.
All 44 other houses in this postcode have recorded plot sizes, and this one ranks as the 14th largest.
Energy Efficiency
23, Wellington Avenue, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 29 Jan 2020.
The property is not connected to mains gas and has fully double glazed windows. It is heated using electric storage heaters.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 257 sales of comparable properties within 470 metres of 23, Wellington Avenue, Sidcup since 2022.
Most recently, 30, Maple Crescent, Sidcup, DA15 9LT, a freehold house, sold at £400,000 on the 24th April 2026.
Read more about house prices in DA15.
- Sold Apr 2026£400,000 | 2 Bed House30, Maple Crescent, Sidcup, DA15 9LT30, Maple Crescent, Sidcup, DA15 9LT
- Sold Apr 2026£360,000 | 2 Bed House17, Maple Crescent, Sidcup, DA15 9LT17, Maple Crescent, Sidcup, DA15 9LT
- Sold Mar 2026£400,000 | 3 Bed House144, Burns Avenue, Sidcup, DA15 9HR144, Burns Avenue, Sidcup, DA15 9HR
- Sold Dec 2025£420,000 | 3 Bed House274, Days Lane, Sidcup, DA15 8PG274, Days Lane, Sidcup, DA15 8PG
- Sold Nov 2025£425,000 | 2 Bed House69, Penshurst Avenue, Sidcup, DA15 9EZ69, Penshurst Avenue, Sidcup, DA15 9EZ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £504,924, ranging from £392,885 to £795,827.
- 21 Wellington Avenue
5 Bed House | 5 m | Est. Value: £665,638
- 25 Wellington Avenue
3 Bed House | 5 m | Est. Value: £459,751
- 33 Wellington Avenue
3 Bed House | 31 m | Est. Value: £399,225
- 19 Wellington Avenue
5 Bed House | 34 m | Est. Value: £795,827
- 35 Wellington Avenue
3 Bed House | 36 m | Est. Value: £496,570
Location Comparison
Our analysis of the public data ranks 23, Wellington Avenue, Sidcup as the 116th largest and the 112th most expensive of the 135 addresses on Wellington Avenue, Sidcup, DA15.
Against the DA15 postcode district average, it is £76k less expensive than the typical property.
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Schools Nearby
- Days Lane Primary School400 m away
- Sherwood Park Primary School600 m away
- Our Lady of the Rosary Catholic Primary School800 m away
- Blackfen School for Girls600 m away
- Bexley Grammar School1.0 km away
- Hurstmere School1.3 km away
More reading links
Public Transport Nearby
- Sidcup|1.5 km away
- Welling|1.9 km away
- Albany Park|2.1 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.





