Our Data Sources
15, Northfield Avenue, Orpington has 2 entries in the Land Registry , most recently in April 2021 and a single entry in the EPC database dated November 2020.
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.
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 15, Northfield Avenue, Orpington, we estimate a market value of £770,102 and a rental value of £2,706 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £682,091 and £2,397 per month respectively.
Plot Size
HM Land Registry records the plot of land for 15, Northfield Avenue, Orpington as measuring 324 m2.
That makes it the 5th largest plot in the postcode, where all 17 other houses have recorded plot data.
Energy Efficiency
15, Northfield Avenue, Orpington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 27 Nov 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 15, Northfield Avenue, Orpington completed on 19th April 2021 at £615,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 45.7% over the period since April 2021.
- Sold Apr 2021£615,000
- Sold Oct 2019£325,000
Similar Properties Sold Nearby
Over the past 2 years 10 properties similar to 15, Northfield Avenue, Orpington have sold within a radius of 540 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 31st July 2025, was 41, Derry Downs, Orpington, BR5 4DU, a freehold house sold by Mark Beaumont for £660,000.
Read more about house prices in BR5.
- Sold Jul 2025£660,000 | 5 Bed House41, Derry Downs, Orpington, BR5 4DU41, Derry Downs, Orpington, BR5 4DU
- Sold Feb 2024£420,000 | 5 Bed House17, Bournewood Road, Orpington, BR5 4JN17, Bournewood Road, Orpington, BR5 4JN
- Sold Dec 2023£815,000 | 5 Bed House16, The Greenway, Orpington, BR5 2AY16, The Greenway, Orpington, BR5 2AY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 47 addresses on Northfield Avenue, Orpington, BR5, 15, Northfield Avenue, Orpington comes out as the largest and the 2nd most expensive in our analysis of the public data.
It is also £253k more expensive than the average property across the BR5 district.
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Schools Nearby
- St Philomena's Primary School300 m away
- St. Mary Cray Primary Academy400 m away
- Harris Primary Academy Orpington500 m away
- Harris Academy Orpington1.0 km away
- St Olave's and St Saviour's Grammar School2.0 km away
- Kemnal Technology College3.1 km away
More reading links
Public Transport Nearby
- St Mary Cray|1.3 km away
- Orpington|2.0 km away
- Petts Wood|2.7 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












