Our Data Sources
35, Portland Avenue, Sidcup has 31 entries in the Land Registry , most recently in January 2026 and a single entry in the EPC database dated May 2017.
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
In very good condition, we estimate 35, Portland Avenue, Sidcup would be worth £425,409, with a potential rental value of £2,001 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £376,791, with a rental value of £1,772 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
35, Portland Avenue, Sidcup occupies a 193 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 41st largest.
Energy Efficiency
35, Portland Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 May 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
35, Portland Avenue, Sidcup last changed hands on 21st January 2026, selling for £415,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 4.7% since January 2026.
- Sold Jan 2026£415,000
- Sold Nov 2017£300,000
- Sold Aug 1996£65,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 490 metres of 35, Portland Avenue, Sidcup across the last 2 years.
Most recently, 8, Burns Avenue, Sidcup, DA15 9HP, a freehold house, sold at £435,000 on the 19th December 2025.
Read more about house prices in DA15.
- Sold Dec 2025£435,000 | 3 Bed House8, Burns Avenue, Sidcup, DA15 9HP8, Burns Avenue, Sidcup, DA15 9HP
- Sold Oct 2025£417,000 | 3 Bed House52, Burns Avenue, Sidcup, DA15 9HP52, Burns Avenue, Sidcup, DA15 9HP
- Sold Oct 2025£370,000 | 3 Bed House54, Burns Avenue, Sidcup, DA15 9HP54, Burns Avenue, Sidcup, DA15 9HP
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 35, Portland Avenue, Sidcup as the 55th largest and the 55th most expensive of the 60 addresses on Portland Avenue, Sidcup, DA15.
Against the DA15 postcode district average, it is £99k less expensive than the typical property.
More reading links
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.












