Our Data Sources
48, Portland Avenue, Sidcup has 51 entries in the Land Registry , most recently in August 2016 and a single entry in the EPC database dated September 2010.
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 48, Portland Avenue, Sidcup, we estimate a market value of £455,807 and a rental value of £2,106 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £403,714 and £1,865 per month respectively.
Plot Size
HM Land Registry records the plot of land for 48, Portland Avenue, Sidcup as measuring 226 m2.
That makes it the 33rd largest plot in the postcode, where 52 of the 60 other houses have recorded plot data.
Energy Efficiency
48, Portland Avenue, Sidcup has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 13 Sep 2010.
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 48, Portland Avenue, Sidcup completed on 22nd August 2016 at £370,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 5 times.
Values of comparable properties have risen by 32.5% over the period since August 2016.
- Sold Aug 2016£370,000
- Sold Jun 2011£235,000
- Sold Jul 2009£205,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 48, 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 2nd March 2026, was 63, Burns Avenue, Sidcup, DA15 9HT, a freehold house which sold for £475,000.
Read more about house prices in DA15.
- Sold Mar 2026£475,000 | 3 Bed House63, Burns Avenue, Sidcup, DA15 9HT63, Burns Avenue, Sidcup, DA15 9HT
- Sold Jan 2026£415,000 | 3 Bed House35, Portland Avenue, Sidcup, DA15 9HA35, Portland Avenue, Sidcup, DA15 9HA
- Sold Feb 2023£435,000 | 3 Bed House53, Portland Avenue, Sidcup, DA15 9HA53, Portland Avenue, Sidcup, DA15 9HA
•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, 48, Portland Avenue, Sidcup comes out as the 42nd largest and the 47th most expensive in our analysis of the public data.
It is also £70k less expensive than the average property across the DA15 district.
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
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.












