Our Data Sources
17, Helegan Close, Orpington has a single entry in the Land Registry from October 2014 and a single entry in the EPC database dated April 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.
Price Range & Condition
In very good condition, we estimate 17, Helegan Close, Orpington would be worth £455,077, with a potential rental value of £2,086 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £403,068, with a rental value of £1,847 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
17, Helegan Close, Orpington occupies a 156 m2 plot as recorded by HM Land Registry.
Of the 24 other houses in this postcode, 20 have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
17, Helegan Close, Orpington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 03 Apr 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
17, Helegan Close, Orpington last changed hands on 17th October 2014, selling for £307,500. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 48.8% since October 2014.
- Sold Oct 2014£307,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 60 sales of comparable properties within 570 metres of 17, Helegan Close, Orpington since 2016.
Most recently, 24, Porthallow Close, Orpington, BR6 9XU, a freehold house, sold at £450,000 on the 31st March 2026.
Read more about house prices in BR6.
- Sold Mar 2026£450,000 | 2 Bed House24, Porthallow Close, Orpington, BR6 9XU24, Porthallow Close, Orpington, BR6 9XU
- 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
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 £563,448, ranging from £428,865 to £719,927.
- 18 Helegan Close
2 Bed House | 5 m | Est. Value: £428,865
- 16 Helegan Close
3 Bed House | 11 m | Est. Value: £511,714
- 15 Helegan Close
3 Bed House | 16 m | Est. Value: £501,089
- 5 Ontario Mews
4 Bed House | 31 m | Est. Value: £719,927
- 14 Helegan Close
2 Bed House | 32 m | Est. Value: £457,355
Location Comparison
Our analysis of the public data ranks 17, Helegan Close, Orpington as the 57th largest and the 47th most expensive of the 58 addresses on Helegan Close, Orpington, BR6.
Against the BR6 postcode district average, it is £206k less expensive than the typical property.
More reading links
Schools Nearby
- Holy Innocents Catholic Primary School300 m away
- Warren Road Primary School500 m away
- Tubbenden Primary School1.1 km away
- St Olave's and St Saviour's Grammar School700 m away
- Newstead Wood School1.5 km away
- Harris Academy Orpington1.8 km away
More reading links
Public Transport Nearby
- Orpington|1.1 km away
- Chelsfield|1.4 km away
- Petts Wood|3.0 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.












