HM Land Registry records the plot of land for 20, Ronaldstone Road, Sidcup as measuring 251 m².

That makes it the 12th largest plot in the postcode, where 26 of the 28 other houses have recorded plot data.

20, Ronaldstone Road, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Nov 2025.

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

Since 2014 91 properties similar to 20, Ronaldstone Road, Sidcup have sold within a radius of 480 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 31st March 2026, was 2, Gordon Road, Sidcup, DA15 8SX, a freehold house which sold for £725,000.

Read more about house prices in DA15.

• Sold Mar 2026£725,000 | 4 Bed House2, Gordon Road, Sidcup, DA15 8SX2, Gordon Road, Sidcup, DA15 8SX
• Sold Mar 2026£737,000 | 4 Bed House25, Queenswood Road, Sidcup, DA15 8QP25, Queenswood Road, Sidcup, DA15 8QP
• Sold Sep 2025£560,000 | 4 Bed House36, Ronaldstone Road, Sidcup, DA15 8QU36, Ronaldstone Road, Sidcup, DA15 8QU
• Sold Jul 2025£585,000 | 4 Bed House85, Raeburn Road, Sidcup, DA15 8RE85, Raeburn Road, Sidcup, DA15 8RE
• Sold May 2025£618,000 | 4 Bed House97, Raeburn Road, Sidcup, DA15 8RE97, Raeburn Road, Sidcup, DA15 8RE
• Sold Mar 2025£645,000 | 4 Bed House102, Oaklands Avenue, Sidcup, DA15 8NB102, Oaklands Avenue, Sidcup, DA15 8NB
• Sold Feb 2025£615,000 | 4 Bed House24, Raeburn Road, Sidcup, DA15 8RB24, Raeburn Road, Sidcup, DA15 8RB
• Sold May 2024£510,000 | 4 Bed House34, Ronaldstone Road, Sidcup, DA15 8QU34, Ronaldstone Road, Sidcup, DA15 8QU
• Sold Oct 2023£595,500 | 4 Bed House56, Queenswood Road, Sidcup, DA15 8QR56, Queenswood Road, Sidcup, DA15 8QR
• Sold Jul 2023£625,000 | 4 Bed House52, Queenswood Road, Sidcup, DA15 8QR52, Queenswood Road, Sidcup, DA15 8QR
• Sold Oct 2022£600,000 | 4 Bed House92B, Blackfen Road, Sidcup, DA15 8SW92B, Blackfen Road, Sidcup, DA15 8SW
• Sold Sep 2022£575,000 | 4 Bed House28, Fen Grove, Sidcup, DA15 8QN28, Fen Grove, Sidcup, DA15 8QN
• Sold Apr 2022£602,500 | 4 Bed House57, Queenswood Road, Sidcup, DA15 8QP57, Queenswood Road, Sidcup, DA15 8QP
• Sold Apr 2022£575,000 | 4 Bed House30, Fen Grove, Sidcup, DA15 8QN30, Fen Grove, Sidcup, DA15 8QN
• Sold Jun 2021£525,000 | 4 Bed House6, Fen Grove, Sidcup, DA15 8QN6, Fen Grove, Sidcup, DA15 8QN
• Sold Feb 2021£635,000 | 4 Bed House56, Fen Grove, Sidcup, DA15 8QN56, Fen Grove, Sidcup, DA15 8QN
• Sold May 2019£585,000 | 4 Bed House56, Raeburn Road, Sidcup, DA15 8RB56, Raeburn Road, Sidcup, DA15 8RB
• Sold Jun 2018£530,000 | 4 Bed House91, Raeburn Road, Sidcup, DA15 8RE91, Raeburn Road, Sidcup, DA15 8RE
• Sold Jan 2017£35,000 | 4 Bed House54, Ronaldstone Road, Sidcup, DA15 8QU54, Ronaldstone Road, Sidcup, DA15 8QU
• Sold Apr 2014£388,500 | 4 Bed House35, Ronaldstone Road, Sidcup, DA15 8QX35, Ronaldstone Road, Sidcup, DA15 8QX

Of the 54 addresses on Ronaldstone Road, Sidcup, DA15, 20, Ronaldstone Road, Sidcup comes out as the 4th largest and the 7th most expensive in our analysis of the public data.

It is also £113k more expensive than the average property across the DA15 district.

• Our Lady of the Rosary Catholic Primary School

  200 m away
• Alderwood Primary School

  400 m away
• Days Lane Primary School

  500 m away

• Harris Academy Falconwood

  1.0 km away
• Leigh Stationers' Academy

  1.2 km away
• Bexley Grammar School

  1.3 km away

• Falconwood

  |

  1.4 km away
• Sidcup

  |

  1.8 km away
• Welling

  |

  1.8 km away

The flood risk here is rated Very Low, based on Environment Agency data.