Our Data Sources
42, Portland Avenue, Sidcup has 41 entries in the Land Registry , most recently in March 2025 and a single entry in the EPC database dated May 2024.
We combine this information with that 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
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 42, Portland Avenue, Sidcup, we estimate a market value of £547,928 and a rental value of £2,552 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £485,308 and £2,260 per month respectively.
Plot Size
HM Land Registry records the plot of land for 42, Portland Avenue, Sidcup as measuring 235 m2.
That makes it the 30th largest plot in the postcode, where 52 of the 60 other houses have recorded plot data.
Energy Efficiency
42, Portland Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 May 2024.
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 42, Portland Avenue, Sidcup completed on 31st March 2025 at £510,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 4 times.
Values of comparable properties have risen by 12.4% over the period since March 2025.
- Sold Mar 2025£510,000
- Sold Jul 2017£425,000
- Sold May 2012£250,000
Similar Properties Sold Nearby
Over the past 2 years 222 properties similar to 42, Portland Avenue, Sidcup have sold within a radius of 490 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 Mar 2025£505,000 | 3 Bed House71, Sherwood Park Avenue, Sidcup, DA15 9HU71, Sherwood Park Avenue, Sidcup, DA15 9HU
- Sold Mar 2025£530,000 | 3 Bed House200, Burnt Oak Lane, Sidcup, DA15 9DG200, Burnt Oak Lane, Sidcup, DA15 9DG
•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, 42, Portland Avenue, Sidcup comes out as the 13th largest and the 13th most expensive in our analysis of the public data.
It is also £18k more expensive than the average property across the DA15 district.
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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.
