According to data from HM Land Registry, 421, Sidcup Road sits on a plot of 372 m².

We have plot size data on 27 out of 27 other houses in the postcode and 421, Sidcup Road sits on the 24th largest plot.

421, Sidcup Road has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Oct 2025.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 421, Sidcup Road was last sold on 16th June 2021 for £487,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since June 2021, the market for similar properties has risen by 6.0%.

• Sold Jun 2021£487,000
• Sold Nov 2004£248,000

According to the Land Registry and our network of Estate Agents, there have been 101 sales of properties similar to 421, Sidcup Road within a radius of 630 metres since 2015.

The most recent example is 443, Sidcup Road, London, SE9 4ET, a freehold house which sold for £520,000 on the 28th May 2025.

Read more about house prices in SE9.

• Sold May 2025£520,000 | 3 Bed House443, Sidcup Road, London, SE9 4ET443, Sidcup Road, London, SE9 4ET
• Sold May 2024£497,000 | 4 Bed House483, Sidcup Road, London, SE9 4ET483, Sidcup Road, London, SE9 4ET
• Sold Mar 2024£522,500 | 4 Bed House7, Luxfield Road, London, SE9 4EZ7, Luxfield Road, London, SE9 4EZ
• Sold Sep 2023£550,000 | 4 Bed House425, Sidcup Road, London, SE9 4EU425, Sidcup Road, London, SE9 4EU
• Sold Sep 2023£590,000 | 3 Bed House17, Luxfield Road, London, SE9 4EZ17, Luxfield Road, London, SE9 4EZ
• Sold Jun 2023£545,000 | 4 Bed House419, Sidcup Road, London, SE9 4EU419, Sidcup Road, London, SE9 4EU
• Sold Apr 2023£570,000 | 4 Bed House494, Sidcup Road, London, SE9 4HA494, Sidcup Road, London, SE9 4HA
• Sold Mar 2023£458,000 | 3 Bed House377, Sidcup Road, London, SE9 4EU377, Sidcup Road, London, SE9 4EU
• Sold Dec 2022£495,000 | 4 Bed House20, West Hallowes, London, SE9 4EX20, West Hallowes, London, SE9 4EX
• Sold Apr 2022£556,500 | 3 Bed House457, Sidcup Road, London, SE9 4ET457, Sidcup Road, London, SE9 4ET
• Sold Nov 2020£475,000 | 4 Bed House9, Luxfield Road, London, SE9 4EZ9, Luxfield Road, London, SE9 4EZ
• Sold Mar 2018£425,000 | 4 Bed House449, Sidcup Road, London, SE9 4ET449, Sidcup Road, London, SE9 4ET
• Sold Nov 2017£440,000 | 4 Bed House415, Sidcup Road, London, SE9 4EU415, Sidcup Road, London, SE9 4EU
• Sold Apr 2017£525,000 | 4 Bed House36, West Hallowes, London, SE9 4EX36, West Hallowes, London, SE9 4EX
• Sold Nov 2016£433,750 | 3 Bed House451, Sidcup Road, London, SE9 4ET451, Sidcup Road, London, SE9 4ET
• Sold Jul 2016£540,000 | 3 Bed House46, West Hallowes, London, SE9 4EX46, West Hallowes, London, SE9 4EX
• Sold Jun 2016£512,500 | 3 Bed House32, West Hallowes, London, SE9 4EX32, West Hallowes, London, SE9 4EX
• Sold Dec 2015£425,000 | 4 Bed House409, Sidcup Road, London, SE9 4EU409, Sidcup Road, London, SE9 4EU
• Sold Sep 2015£420,000 | 4 Bed House413, Sidcup Road, London, SE9 4EU413, Sidcup Road, London, SE9 4EU
• Sold Jun 2015£400,000 | 3 Bed House395, Sidcup Road, London, SE9 4EU395, Sidcup Road, London, SE9 4EU

Sidcup Road, London, SE9 has a total of 446 addresses. According to our analysis of all the public data, 421, Sidcup Road is the 203rd largest and the 180th most expensive property on the street.

When compared to the postcode district it is £63k more expensive than the average property in SE9.

• Middle Park Primary School

  500 m away
• Greenacres Primary School and Language Impairment Unit

  1.3 km away
• Horn Park Primary School

  1.3 km away

• Eltham Hill School

  1.1 km away
• Harris Academy Greenwich

  1.2 km away
• St Thomas More Catholic Comprehensive School

  1.5 km away

• Mottingham

  |

  600 m away
• Eltham

  |

  1.7 km away
• Grove Park

  |

  1.8 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.