Our Data Sources
40, Castle Street, Ongar has a single entry in the Land Registry from March 2016 and a single entry in the EPC database dated September 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 40, Castle Street, Ongar, we estimate a market value of £518,628 and a rental value of £2,144 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £459,356 and £1,899 per month respectively.
Plot Size
HM Land Registry records the plot of land for 40, Castle Street, Ongar as measuring 530 m2.
That makes it the 5th largest plot in the postcode, where 9 of the 18 other houses have recorded plot data.
Energy Efficiency
40, Castle Street, Ongar has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 23 Sep 2015.
The property is connected to mains gas and has full secondary glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 40, Castle Street, Ongar completed on 1st March 2016 at £369,999 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 49.9% over the period since March 2016.
- Sold Mar 2016£369,999
Similar Properties Sold Nearby
Since 2018 189 properties similar to 40, Castle Street, Ongar have sold within a radius of 1.1 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 4th February 2026, was 6, The Johns, Ongar, CM5 9BD, a freehold house which sold for £495,000.
Read more about house prices in CM5.
- Sold Feb 2026£495,000 | 3 Bed House6, The Johns, Ongar, CM5 9BD6, The Johns, Ongar, CM5 9BD
- Sold Dec 2025£470,000 | 3 Bed House5, Bowes Drive, Ongar, CM5 9AU5, Bowes Drive, Ongar, CM5 9AU
- Sold Oct 2025£440,000 | 3 Bed House19, Stanley Place, Ongar, CM5 9SU19, Stanley Place, Ongar, CM5 9SU
- Sold Sep 2025£480,000 | 3 Bed House7, Longfields, Ongar, CM5 9BZ7, Longfields, Ongar, CM5 9BZ
- Sold Aug 2025£555,000 | 3 Bed House40, Longfields, Ongar, CM5 9BZ40, Longfields, Ongar, CM5 9BZ
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 £691,817, ranging from £360,595 to £1,524,108.
- 38 Castle Street
3 Bed House | 9 m | Est. Value: £490,990
- 34 Castle Street
3 Bed House | 24 m | Est. Value: £463,726
- 42 Castle Street
5 Bed House | 25 m | Est. Value: £1,249,384
- 32 Castle Street
3 Bed House | 30 m | Est. Value: £546,130
- 28 Castle Street
3 Bed House | 40 m | Est. Value: £485,739
Location Comparison
Of the 40 addresses on Castle Street, Ongar, CM5, 40, Castle Street, Ongar comes out as the 23rd largest and the 16th most expensive in our analysis of the public data.
It is also £83k less expensive than the average property across the CM5 district.
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
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












