HM Land Registry records the plot of land for 9A, Porthallow Close, Orpington as measuring 168 m².

That makes it the 36th largest plot in the postcode, where 57 of the 59 other houses have recorded plot data.

9A, Porthallow Close, Orpington has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 19 Sep 2018.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler& underfloor (mains gas).

The most recent sale of 9A, Porthallow Close, Orpington completed on 21st December 2018 at £490,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 20.9% over the period since December 2018.

• Sold Dec 2018£490,000

Since 2013 72 properties similar to 9A, Porthallow Close, Orpington have sold within a radius of 570 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 20th November 2025, was 15, Porthallow Close, Orpington, BR6 9XU, a freehold house which sold for £451,000.

Read more about house prices in BR6.

• Sold Nov 2025£451,000 | 2 Bed House15, Porthallow Close, Orpington, BR6 9XU15, Porthallow Close, Orpington, BR6 9XU
• Sold Mar 2025£460,000 | 2 Bed House20, Porthallow Close, Orpington, BR6 9XU20, Porthallow Close, Orpington, BR6 9XU
• Sold Apr 2024£452,000 | 2 Bed House29, Porthallow Close, Orpington, BR6 9XU29, Porthallow Close, Orpington, BR6 9XU
• Sold Apr 2024£470,000 | 2 Bed House14, Porthallow Close, Orpington, BR6 9XU14, Porthallow Close, Orpington, BR6 9XU
• Sold Nov 2023£500,000 | 2 Bed House10, Porthallow Close, Orpington, BR6 9XU10, Porthallow Close, Orpington, BR6 9XU
• Sold Mar 2023£437,000 | 2 Bed House13, Helegan Close, Orpington, BR6 9XJ13, Helegan Close, Orpington, BR6 9XJ
• Sold Aug 2022£440,000 | 2 Bed House55, Helegan Close, Orpington, BR6 9XH55, Helegan Close, Orpington, BR6 9XH
• Sold Jun 2022£450,000 | 2 Bed House19, Porthallow Close, Orpington, BR6 9XU19, Porthallow Close, Orpington, BR6 9XU
• Sold Jan 2022£430,000 | 2 Bed House2, Padstow Close, Orpington, BR6 9XL2, Padstow Close, Orpington, BR6 9XL
• Sold Jun 2021£445,000 | 2 Bed House37, Porthallow Close, Orpington, BR6 9XU37, Porthallow Close, Orpington, BR6 9XU
• Sold Jun 2021£402,500 | 2 Bed House23, Porthallow Close, Orpington, BR6 9XU23, Porthallow Close, Orpington, BR6 9XU
• Sold Jan 2021£418,000 | 2 Bed House20, Helegan Close, Orpington, BR6 9XJ20, Helegan Close, Orpington, BR6 9XJ
• Sold Nov 2020£385,000 | 2 Bed House29, Helegan Close, Orpington, BR6 9XH29, Helegan Close, Orpington, BR6 9XH
• Sold Oct 2020£403,000 | 2 Bed House53, Helegan Close, Orpington, BR6 9XH53, Helegan Close, Orpington, BR6 9XH
• Sold Sep 2020£397,000 | 2 Bed House28, Helegan Close, Orpington, BR6 9XH28, Helegan Close, Orpington, BR6 9XH
• Sold Jan 2020£390,000 | 2 Bed House4, Padstow Close, Orpington, BR6 9XL4, Padstow Close, Orpington, BR6 9XL
• Sold Apr 2017£397,500 | 2 Bed House26, Porthallow Close, Orpington, BR6 9XU26, Porthallow Close, Orpington, BR6 9XU
• Sold Apr 2015£318,000 | 2 Bed House18, Porthallow Close, Orpington, BR6 9XU18, Porthallow Close, Orpington, BR6 9XU
• Sold Oct 2014£325,000 | 2 Bed House11, Porthallow Close, Orpington, BR6 9XU11, Porthallow Close, Orpington, BR6 9XU
• Sold Jun 2013£288,000 | 2 Bed House21, Porthallow Close, Orpington, BR6 9XU21, Porthallow Close, Orpington, BR6 9XU

Of the 59 addresses on Porthallow Close, Orpington, BR6, 9A, Porthallow Close, Orpington comes out as the 59th largest and the 43rd most expensive in our analysis of the public data.

It is also £199k less expensive than the average property across the BR6 district.

• Warren Road Primary School

  300 m away
• Holy Innocents Catholic Primary School

  400 m away
• Tubbenden Primary School

  1.0 km away

• St Olave's and St Saviour's Grammar School

  800 m away
• Newstead Wood School

  1.4 km away
• Darrick Wood School

  2.0 km away

• Orpington

  |

  1.2 km away
• Chelsfield

  |

  1.3 km away
• Petts Wood

  |

  3.1 km away

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