HM Land Registry records the plot of land for 21, Somerden Road, Orpington as measuring 325 m².

That makes it the 8th largest plot in the postcode, where 47 of the 49 other houses have recorded plot data.

21, Somerden Road, Orpington has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 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).

The most recent sale of 21, Somerden Road, Orpington completed on 16th March 2001 at £166,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

• Sold Mar 2001£166,500

Since 2015 210 properties similar to 21, Somerden Road, Orpington have sold within a radius of 700 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 13th March 2026, was 80, Cockmannings Road, Orpington, BR5 4HZ, a freehold house sold by Mark Beaumont for £510,000.

Read more about house prices in BR5.

• 
  Sold Mar 2026£510,000 | 3 Bed House80, Cockmannings Road, Orpington, BR5 4HZ80, Cockmannings Road, Orpington, BR5 4HZ
• Sold Mar 2026£525,000 | 3 Bed House21, Wade Avenue, Orpington, BR5 4EJ21, Wade Avenue, Orpington, BR5 4EJ
• Sold Jun 2025£462,500 | 3 Bed House18, Renton Drive, Orpington, BR5 4HH18, Renton Drive, Orpington, BR5 4HH
• Sold Jun 2025£444,000 | 3 Bed House3, Rookesley Road, Orpington, BR5 4HL3, Rookesley Road, Orpington, BR5 4HL
• Sold Oct 2024£460,000 | 3 Bed House43, Renton Drive, Orpington, BR5 4HH43, Renton Drive, Orpington, BR5 4HH
• Sold Jun 2024£419,000 | 3 Bed House15, Somerden Road, Orpington, BR5 4HS15, Somerden Road, Orpington, BR5 4HS
• Sold May 2023£400,000 | 3 Bed House39, Renton Drive, Orpington, BR5 4HH39, Renton Drive, Orpington, BR5 4HH
• Sold Dec 2022£512,500 | 3 Bed House2, Axtaine Road, Orpington, BR5 4HX2, Axtaine Road, Orpington, BR5 4HX
• Sold Nov 2022£475,000 | 3 Bed House26, Chelsfield Lane, Orpington, BR5 4HQ26, Chelsfield Lane, Orpington, BR5 4HQ
• Sold Nov 2022£415,000 | 3 Bed House30, Rutland Way, Orpington, BR5 4DZ30, Rutland Way, Orpington, BR5 4DZ
• Sold Sep 2022£535,000 | 3 Bed House17, Chelsfield Lane, Orpington, BR5 4HG17, Chelsfield Lane, Orpington, BR5 4HG
• Sold Sep 2021£475,000 | 3 Bed House44, Chelsfield Lane, Orpington, BR5 4HQ44, Chelsfield Lane, Orpington, BR5 4HQ
• Sold Jun 2020£385,000 | 3 Bed House73, Somerden Road, Orpington, BR5 4HU73, Somerden Road, Orpington, BR5 4HU
• Sold Dec 2018£323,000 | 3 Bed House24, Cockmannings Road, Orpington, BR5 4HY24, Cockmannings Road, Orpington, BR5 4HY
• Sold Sep 2018£375,000 | 3 Bed House10, Chelsfield Lane, Orpington, BR5 4HQ10, Chelsfield Lane, Orpington, BR5 4HQ
• 
  Sold Sep 2017£390,000 | 3 Bed House1, Somerden Road, Orpington, BR5 4HS1, Somerden Road, Orpington, BR5 4HS
• Sold Sep 2017£379,950 | 3 Bed House38, Somerden Road, Orpington, BR5 4HS38, Somerden Road, Orpington, BR5 4HS
• Sold Jul 2017£340,000 | 3 Bed House84, Cockmannings Road, Orpington, BR5 4HZ84, Cockmannings Road, Orpington, BR5 4HZ
• Sold Jun 2016£325,000 | 3 Bed House11, Chelsfield Lane, Orpington, BR5 4HG11, Chelsfield Lane, Orpington, BR5 4HG
• Sold Oct 2015£305,000 | 3 Bed House20, Rookesley Road, Orpington, BR5 4HJ20, Rookesley Road, Orpington, BR5 4HJ

Of the 81 addresses on Somerden Road, Orpington, BR5, 21, Somerden Road, Orpington comes out as the 6th largest and the 5th most expensive in our analysis of the public data.

It is also £21k more expensive than the average property across the BR5 district.

• St Philomena's Primary School

  500 m away
• Harris Primary Academy Orpington

  600 m away
• St. Mary Cray Primary Academy

  900 m away

• Harris Academy Orpington

  900 m away
• St Olave's and St Saviour's Grammar School

  2.1 km away
• Kemnal Technology College

  3.5 km away

• St Mary Cray

  |

  1.8 km away
• Orpington

  |

  2.5 km away
• Chelsfield

  |

  2.9 km away

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