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 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 26, Portland Avenue, Sidcup would be worth £482,955, with a potential rental value of £2,186 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £427,760, with a rental value of £1,937 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
26, Portland Avenue, Sidcup occupies a 353 m2 plot as recorded by HM Land Registry.
Of the 60 other houses in this postcode, 52 have recorded plot sizes, and this one ranks as the 6th largest.
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
26, Portland Avenue, Sidcup last changed hands on 25th March 2024, selling for £440,000. 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 8.8% since March 2024.
- Sold Mar 2024£440,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 480 metres of 26, Portland Avenue, Sidcup across the last 2 years.
Most recently, 9, Portland Avenue, Sidcup, DA15 9HA, a freehold house, sold at £515,000 on the 21st January 2026.
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
Our analysis of the public data ranks 26, Portland Avenue, Sidcup as the 33rd largest and the 35th most expensive of the 60 addresses on Portland Avenue, Sidcup, DA15.
Against the DA15 postcode district average, it is £44k less expensive than the typical property.
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Schools Nearby
- 400mSherwood Park Primary School
- 500mDays Lane Primary School
- 700mChatsworth Infant School
- 500mBlackfen School for Girls
- 1.1kmBexley Grammar School
- 1.1kmHurstmere School
More reading links
Public Transport Nearby
- 1.4kmSidcup
- 1.9kmAlbany Park
- 2.0kmWelling
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.












