Our Data Sources
26, Portland Avenue, Sidcup has a single entry in the Land Registry from March 2024 and a single entry in the EPC database dated November 2023.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 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 26, Portland Avenue, Sidcup, we estimate a market value of £479,092 and a rental value of £2,267 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £424,338 and £2,008 per month respectively.
Plot Size
HM Land Registry records the plot of land for 26, Portland Avenue, Sidcup as measuring 353 m2.
That makes it the 6th largest plot in the postcode, where 52 of the 60 other houses have recorded plot data.
Energy Efficiency
26, Portland Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Nov 2023.
The property is 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 26, Portland Avenue, Sidcup completed on 25th March 2024 at £440,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 9.3% over the period since March 2024.
- Sold Mar 2024£440,000
Similar Properties Sold Nearby
Over the past 2 years 220 properties similar to 26, Portland Avenue, Sidcup have sold within a radius of 480 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 21st January 2026, was 9, Portland Avenue, Sidcup, DA15 9HA, a freehold house which sold for £515,000.
Read more about house prices in DA15.
- Sold Jan 2026£515,000 | 3 Bed House9, Portland Avenue, Sidcup, DA15 9HA9, Portland Avenue, Sidcup, DA15 9HA
- Sold Jun 2025£460,000 | 3 Bed House117, Wellington Avenue, Sidcup, DA15 9HB117, Wellington Avenue, Sidcup, DA15 9HB
- Sold Jun 2024£465,000 | 3 Bed House135, Wellington Avenue, Sidcup, DA15 9HB135, Wellington Avenue, Sidcup, DA15 9HB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 60 addresses on Portland Avenue, Sidcup, DA15, 26, Portland Avenue, Sidcup comes out as the 33rd largest and the 34th most expensive in our analysis of the public data.
It is also £47k less expensive than the average property across the DA15 district.
More reading links
Schools Nearby
- Sherwood Park Primary School400 m away
- Days Lane Primary School500 m away
- Chatsworth Infant School700 m away
- Blackfen School for Girls500 m away
- Bexley Grammar School1.1 km away
- Hurstmere School1.1 km away
More reading links
Public Transport Nearby
- Sidcup|1.4 km away
- Albany Park|1.9 km away
- Welling|2.0 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.












