Our Data Sources
20, Northfield Avenue, Orpington has 41 entries in the Land Registry , most recently in November 2018 and a single entry in the EPC database dated June 2018.
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
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, Northfield Avenue, Orpington, we estimate a market value of £456,447 and a rental value of £2,055 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £404,282 and £1,821 per month respectively.
Plot Size
HM Land Registry records the plot of land for 20, Northfield Avenue, Orpington as measuring 217 m2.
That makes it the 22nd largest plot in the postcode, where 28 of the 30 other houses have recorded plot data.
Energy Efficiency
20, Northfield Avenue, Orpington has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Jun 2018.
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 20, Northfield Avenue, Orpington completed on 9th November 2018 at £375,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 4 times.
Values of comparable properties have risen by 27.7% over the period since November 2018.
- Sold Nov 2018£375,000
- Sold Mar 2011£245,000
- Sold Jun 2010£194,650
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 20, Northfield Avenue, Orpington have sold within a radius of 560 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th October 2025, was 50, Haydens Close, Orpington, BR5 4JE, a freehold house which sold for £370,000.
Read more about house prices in BR5.
- Sold Oct 2025£370,000 | 3 Bed House50, Haydens Close, Orpington, BR5 4JE50, Haydens Close, Orpington, BR5 4JE
- Sold Dec 2021£375,000 | 3 Bed House15, Sussex Road, Orpington, BR5 4JF15, Sussex Road, Orpington, BR5 4JF
- Sold Nov 2021£335,000 | 3 Bed House53, Haydens Close, Orpington, BR5 4JE53, Haydens Close, Orpington, BR5 4JE
•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, 20, Northfield Avenue, Orpington comes out as the 18th largest and the 19th most expensive in our analysis of the public data.
It is also £48k less expensive than the average property across the BR5 district.
More reading links
Schools Nearby
- 200mSt Philomena's Primary School
- 400mSt. Mary Cray Primary Academy
- 500mHarris Primary Academy Orpington
- 1.0kmHarris Academy Orpington
- 2.1kmSt Olave's and St Saviour's Grammar School
- 3.1kmKemnal Technology College
More reading links
Public Transport Nearby
- 1.3kmSt Mary Cray
- 2.1kmOrpington
- 2.8kmPetts Wood
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.












