Our Data Sources
17, Porthallow Close, Orpington has 21 entries in the Land Registry, most recently in August 2018 and a single entry in the EPC database dated April 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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 17, Porthallow Close, Orpington would be worth £646,524, with a potential rental value of £2,676 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £572,635, with a rental value of £2,371 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
17, Porthallow Close, Orpington occupies a 336 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 5th largest.
Energy Efficiency
17, Porthallow Close, Orpington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 23 Apr 2018.
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
17, Porthallow Close, Orpington last changed hands on 23rd August 2018, selling for £550,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 37.9% since August 2018.
- Sold Aug 2018£550,000
- Sold Jun 2005£290,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 318 sales of comparable properties within 560 metres of 17, Porthallow Close, Orpington since 2015.
Most recently, 42, Tregony Road, Orpington, BR6 9XG, a freehold house, sold at £545,000 on the 19th December 2025.
Read more about house prices in BR6.
- Sold Dec 2025£545,000 | 3 Bed House42, Tregony Road, Orpington, BR6 9XG42, Tregony Road, Orpington, BR6 9XG
- Sold Sep 2025£525,000 | 3 Bed House34, Tregony Road, Orpington, BR6 9XG34, Tregony Road, Orpington, BR6 9XG
- Sold Aug 2025£530,000 | 3 Bed House48, Helegan Close, Orpington, BR6 9XH48, Helegan Close, Orpington, BR6 9XH
- Sold Feb 2025£640,000 | 3 Bed House12, Padstow Close, Orpington, BR6 9XL12, Padstow Close, Orpington, BR6 9XL
- Sold Dec 2024£625,000 | 3 Bed House2, Newlyn Close, Orpington, BR6 9XN2, Newlyn Close, Orpington, BR6 9XN
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 £468,318, ranging from £428,329 to £737,359.
- 18 Porthallow Close
2 Bed House | 8 m | Est. Value: £443,375
- 19 Porthallow Close
2 Bed House | 13 m | Est. Value: £443,375
- 20 Porthallow Close
2 Bed House | 17 m | Est. Value: £443,375
- 21 Porthallow Close
2 Bed House | 21 m | Est. Value: £443,375
- 15 Porthallow Close
2 Bed House | 30 m | Est. Value: £439,651
Location Comparison
Our analysis of the public data ranks 17, Porthallow Close, Orpington as the 20th largest and the 7th most expensive of the 59 addresses on Porthallow Close, Orpington, BR6.
Against the BR6 postcode district average, it is £27k 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.












