Our Data Sources
18, Sycamore Avenue, Sidcup has a single entry in the Land Registry from June 2010 and a single entry in the EPC database dated February 2026.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 18, Sycamore Avenue, Sidcup is in very good condition we estimate a sale value of £450,066 and a rental value of £2,179 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £398,630 and a rental value of £1,930 per month.
Plot Size
According to data from HM Land Registry, 18, Sycamore Avenue, Sidcup sits on a plot of 311 m2.
We have plot size data on 38 out of 39 other houses in the postcode and 18, Sycamore Avenue, Sidcup sits on the 3rd largest plot.
Energy Efficiency
18, Sycamore Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Feb 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 18, Sycamore Avenue, Sidcup was last sold on 10th June 2010 for £210,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since June 2010, the market for similar properties has risen by 94.1%.
- Sold Jun 2010£210,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 325 sales of properties similar to 18, Sycamore Avenue, Sidcup within a radius of 480 metres since 2019.
The most recent example is 19, Ashcroft Avenue, Sidcup, DA15 8NS, a freehold house which sold for £470,000 on the 24th April 2026.
Read more about house prices in DA15.
- Sold Apr 2026£470,000 | 3 Bed House19, Ashcroft Avenue, Sidcup, DA15 8NS19, Ashcroft Avenue, Sidcup, DA15 8NS
- Sold Jan 2026£410,000 | 3 Bed House21, Curran Avenue, Sidcup, DA15 8RP21, Curran Avenue, Sidcup, DA15 8RP
- Sold Oct 2025£429,000 | 3 Bed House65, Lyndon Avenue, Sidcup, DA15 8RL65, Lyndon Avenue, Sidcup, DA15 8RL
- Sold Sep 2025£405,000 | 3 Bed House13, Sycamore Avenue, Sidcup, DA15 8PL13, Sycamore Avenue, Sidcup, DA15 8PL
- Sold Sep 2025£440,000 | 3 Bed House5, Fairfield Close, Sidcup, DA15 8QS5, Fairfield Close, Sidcup, DA15 8QS
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £483,937, ranging from £411,589 to £583,744.
- 22 Sycamore Avenue
3 Bed House | 10 m | Est. Value: £485,543
- 24 Sycamore Avenue
3 Bed House | 14 m | Est. Value: £491,112
- 14 Sycamore Avenue
3 Bed House | 17 m | Est. Value: £509,757
- 12 Sycamore Avenue
3 Bed House | 21 m | Est. Value: £460,602
- 28 Sycamore Avenue
3 Bed House | 27 m | Est. Value: £495,231
Location Comparison
Sycamore Avenue, Sidcup, DA15 has a total of 42 addresses. According to our analysis of all the public data, 18, Sycamore Avenue, Sidcup is the 35th largest and the 33rd most expensive property on the street.
When compared to the postcode district it is £75k less expensive than the average property in DA15.
More reading links
Schools Nearby
- Days Lane Primary School300 m away
- Our Lady of the Rosary Catholic Primary School600 m away
- Sherwood Park Primary School900 m away
- Bexley Grammar School900 m away
- Blackfen School for Girls900 m away
- Harris Academy Falconwood1.1 km away
More reading links
Public Transport Nearby
- Welling|1.6 km away
- Falconwood|1.8 km away
- Sidcup|1.8 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












