Our Data Sources
20, Porthallow Close, Orpington has 31 entries in the Land Registry, most recently in March 2025 and a single entry in the EPC database dated March 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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 20, Porthallow Close, Orpington, we estimate a market value of £465,544 and a rental value of £2,207 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £412,339 and £1,955 per month respectively.
Plot Size
HM Land Registry records the plot of land for 20, Porthallow Close, Orpington as measuring 128 m2.
That makes it the 52nd largest plot in the postcode, where 57 of the 59 other houses have recorded plot data.
Energy Efficiency
20, Porthallow Close, Orpington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Mar 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
The most recent sale of 20, Porthallow Close, Orpington completed on 26th March 2025 at £460,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 1.4% over the period since March 2025.
- Sold Mar 2025£460,000
- Sold Jul 2015£324,000
- Sold Apr 2005£229,995
Similar Properties Sold Nearby
Since 2012 138 properties similar to 20, Porthallow Close, Orpington have sold within a radius of 560 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 9th January 2026, was 57, Helegan Close, Orpington, BR6 9XH, a freehold house which sold for £535,000.
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 Apr 2024£452,000 | 2 Bed House29, Porthallow Close, Orpington, BR6 9XU29, 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.
- 21 Porthallow Close
2 Bed House | 4 m | Est. Value: £443,375
- 19 Porthallow Close
2 Bed House | 4 m | Est. Value: £443,375
- 18 Porthallow Close
2 Bed House | 9 m | Est. Value: £443,375
- 22 Porthallow Close
2 Bed House | 13 m | Est. Value: £439,651
- 17 Porthallow Close
3 Bed House | 17 m | Est. Value: £615,737
Location Comparison
Of the 59 addresses on Porthallow Close, Orpington, BR6, 20, Porthallow Close, Orpington comes out as the 43rd largest and the 45th most expensive in our analysis of the public data.
It is also £200k less expensive than the average property across the BR6 district.
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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
