Our Data Sources
123, Harcourt Avenue, Sidcup has a single entry in the Land Registry from February 2017 and a single entry in the EPC database dated August 2016.
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
In very good condition, we estimate 123, Harcourt Avenue, Sidcup would be worth £376,775, with a potential rental value of £1,751 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £333,715, with a rental value of £1,551 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
123, Harcourt Avenue, Sidcup occupies a 176 m2 plot as recorded by HM Land Registry.
Of the 38 other houses in this postcode, 36 have recorded plot sizes, and this one ranks as the 16th largest.
Energy Efficiency
123, Harcourt Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Aug 2016.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
123, Harcourt Avenue, Sidcup last changed hands on 10th February 2017, selling for £310,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 28.8% since February 2017.
- Sold Feb 2017£310,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 98 sales of comparable properties within 580 metres of 123, Harcourt Avenue, Sidcup since 2015.
Most recently, 84, Penhill Road, Bexley, DA5 3EL, a freehold house, sold at £435,000 on the 5th January 2026.
Read more about house prices in DA15.
- Sold Jan 2026£435,000 | 2 Bed House84, Penhill Road, Bexley, DA5 3EL84, Penhill Road, Bexley, DA5 3EL
- Sold Dec 2025£398,000 | 2 Bed House34, Howard Avenue, Bexley, DA5 3BE34, Howard Avenue, Bexley, DA5 3BE
- Sold Mar 2025£365,000 | 2 Bed House122, Rowley Avenue, Sidcup, DA15 9LG122, Rowley Avenue, Sidcup, DA15 9LG
- Sold Feb 2025£390,000 | 2 Bed House50, Harcourt Avenue, Sidcup, DA15 9LN50, Harcourt Avenue, Sidcup, DA15 9LN
- Sold Jan 2025£382,500 | 2 Bed House128, Rowley Avenue, Sidcup, DA15 9LG128, Rowley Avenue, Sidcup, DA15 9LG
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 £430,024, ranging from £366,420 to £611,475.
- 125 Harcourt Avenue
2 Bed House | 5 m | Est. Value: £366,420
- 121 Harcourt Avenue
3 Bed House | 5 m | Est. Value: £465,587
- 129 Harcourt Avenue
2 Bed House | 12 m | Est. Value: £387,789
- 119 Harcourt Avenue
3 Bed House | 14 m | Est. Value: £435,937
- 117 Harcourt Avenue
3 Bed House | 19 m | Est. Value: £408,522
Location Comparison
Our analysis of the public data ranks 123, Harcourt Avenue, Sidcup as the 178th largest and the 172nd most expensive of the 184 addresses on Harcourt Avenue, Sidcup, DA15.
Against the DA15 postcode district average, it is £148k less expensive than the typical property.
More reading links
Schools Nearby
- Sherwood Park Primary School600 m away
- Hurst Primary School700 m away
- Chatsworth Infant School1.0 km away
- Hurstmere School600 m away
- Blackfen School for Girls700 m away
- Chislehurst and Sidcup Grammar School1.1 km away
More reading links
Public Transport Nearby
- Albany Park|1.0 km away
- Sidcup|1.5 km away
- Bexley|2.1 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.





