Our Data Sources
21, Porthallow Close, Orpington has 31 entries in the Land Registry, most recently in June 2013 and a single entry in the EPC database dated February 2025.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 21, Porthallow Close, Orpington would be worth £465,544, with a potential rental value of £2,207 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £412,339, with a rental value of £1,955 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Porthallow Close, Orpington occupies a 223 m2 plot as recorded by HM Land Registry.
Of the 59 other houses in this postcode, 57 have recorded plot sizes, and this one ranks as the 20th largest.
Energy Efficiency
21, Porthallow Close, Orpington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 27 Feb 2025.
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
21, Porthallow Close, Orpington last changed hands on 28th June 2013, selling for £288,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 84.9% since June 2013.
- Sold Jun 2013£288,000
- Sold Jan 2012£245,000
- Sold Apr 2005£249,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 138 sales of comparable properties within 560 metres of 21, Porthallow Close, Orpington since 2012.
Most recently, 57, Helegan Close, Orpington, BR6 9XH, a freehold house, sold at £535,000 on the 9th January 2026.
Read more about house prices in BR6.
- Sold Jan 2026£535,000 | 3 Bed House57, Helegan Close, Orpington, BR6 9XH57, Helegan Close, Orpington, BR6 9XH
- Sold Jan 2026£535,000 | 3 Bed House33, Helegan Close, Orpington, BR6 9XH33, Helegan Close, Orpington, BR6 9XH
- Sold Nov 2025£451,000 | 2 Bed House15, Porthallow Close, Orpington, BR6 9XU15, Porthallow Close, Orpington, BR6 9XU
- Sold Jul 2025£530,000 | 3 Bed House31, Porthallow Close, Orpington, BR6 9XU31, Porthallow Close, Orpington, BR6 9XU
- Sold Mar 2025£460,000 | 2 Bed House20, Porthallow Close, Orpington, BR6 9XU20, Porthallow Close, Orpington, BR6 9XU
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 £462,276, ranging from £428,329 to £615,737.
- 20 Porthallow Close
2 Bed House | 4 m | Est. Value: £443,375
- 19 Porthallow Close
2 Bed House | 8 m | Est. Value: £443,375
- 22 Porthallow Close
2 Bed House | 9 m | Est. Value: £439,651
- 18 Porthallow Close
2 Bed House | 13 m | Est. Value: £443,375
- 23 Porthallow Close
2 Bed House | 14 m | Est. Value: £435,902
Location Comparison
Our analysis of the public data ranks 21, Porthallow Close, Orpington as the 42nd largest and the 44th most expensive of the 59 addresses on Porthallow Close, Orpington, BR6.
Against the BR6 postcode district average, it is £200k less expensive than the typical property.
More reading links
Schools Nearby
- Warren Road Primary School300 m away
- Holy Innocents Catholic Primary School400 m away
- Tubbenden Primary School1.0 km away
- St Olave's and St Saviour's Grammar School800 m away
- Newstead Wood School1.4 km away
- Darrick Wood School2.0 km away
More reading links
Public Transport Nearby
- Orpington|1.2 km away
- Chelsfield|1.3 km away
- Petts Wood|3.1 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
