Our Data Sources
21, Castle Street, Ongar has 31 entries in the Land Registry, most recently in December 2019 and a single entry in the EPC database dated June 2017.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 21, Castle Street, Ongar would be worth £1,152,455, with a potential rental value of £3,279 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,020,746, with a rental value of £2,904 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Castle Street, Ongar occupies a 2,178 m2 plot as recorded by HM Land Registry.
Of the 18 other houses in this postcode, 9 have recorded plot sizes, and this one ranks as the 3rd largest.
Energy Efficiency
21, Castle Street, Ongar has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Jun 2017.
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
21, Castle Street, Ongar last changed hands on 11th December 2019, selling for £962,500. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has dropped by 9.2% since December 2019.
- Sold Dec 2019£962,500
- Sold Jul 2007£715,000
- Sold Jul 1996£235,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 10 sales of comparable properties within 1.1 kilometres of 21, Castle Street, Ongar since 2007.
Most recently, 81, Coopers Hill, Ongar, CM5 9EF, a freehold house, sold at £1,185,000 on the 18th August 2025.
Read more about house prices in CM5.
- Sold Aug 2025£1,185,000 | 5 Bed House81, Coopers Hill, Ongar, CM5 9EF81, Coopers Hill, Ongar, CM5 9EF
- Sold Jul 2025£1,225,000 | 4 Bed HouseOak Hall, Stondon Road, Ongar, CM5 9BUOak Hall, Stondon Road, Ongar, CM5 9BU
- Sold Jun 2024£855,000 | 4 Bed House45, Great Stony Park, Ongar, CM5 0TH45, Great Stony Park, Ongar, CM5 0TH
- Sold Nov 2023£1,000,000 | 4 Bed HouseBerwick Lodge, Stondon Road, Ongar, CM5 9BUBerwick Lodge, Stondon Road, Ongar, CM5 9BU
- Sold Aug 2021£785,000 | 5 Bed House6, Hunters Chase, Ongar, CM5 9DQ6, Hunters Chase, Ongar, CM5 9DQ
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 £453,231, ranging from £210,304 to £739,521.
- 16 Castle Street
2 Bed House | 27 m | Est. Value: £360,595
- 18 Castle Street
3 Bed House | 31 m | Est. Value: £447,823
- 18A Castle Street
4 Bed House | 31 m | Est. Value: £641,288
- 24 Castle Street
3 Bed House | 42 m | Est. Value: £557,583
- 26 Castle Street
3 Bed House | 45 m | Est. Value: £469,914
Location Comparison
Our analysis of the public data ranks 21, Castle Street, Ongar as the 4th largest and the 5th most expensive of the 40 addresses on Castle Street, Ongar, CM5.
Against the CM5 postcode district average, it is £521k more expensive than the typical property.
More reading links
Schools Nearby
- Chipping Ongar Primary School900 m away
- High Ongar Primary School1.3 km away
- Ongar Primary School1.4 km away
- The Ongar Academy1.5 km away
- Shenfield High School9.2 km away
- Becket Keys Church of England Free School9.3 km away
More reading links
Public Transport Nearby
- Epping|9.3 km away
- Shenfield|9.9 km away
- Ingatestone|10.3 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












