Our Data Sources
18, Marks Avenue, Ongar has no recent1 records in the Land Registry and a single entry in the EPC database dated January 2026.
We combine this information with public data 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 18, Marks Avenue, Ongar is in very good condition we estimate a sale value of £659,400 and a rental value of £2,519 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £584,040 and a rental value of £2,231 per month.
Plot Size
According to data from HM Land Registry, 18, Marks Avenue, Ongar sits on a plot of 310 m2.
We have plot size data on 25 out of 27 other houses in the postcode and 18, Marks Avenue, Ongar sits on the 8th largest plot.
Energy Efficiency
18, Marks Avenue, Ongar has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Jan 2026.
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
According to HM Land Registry, 18, Marks Avenue, Ongar was last sold on 14th November 2003 for £232,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
- Sold Nov 2003£232,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 118 sales of properties similar to 18, Marks Avenue, Ongar within a radius of 870 metres since 2014.
The most recent example is 9, Mayflower Way, Ongar, CM5 9AZ, a freehold house which sold for £665,000 on the 15th December 2025.
Read more about house prices in CM5.
- Sold Dec 2025£665,000 | 4 Bed House9, Mayflower Way, Ongar, CM5 9AZ9, Mayflower Way, Ongar, CM5 9AZ
- Sold Sep 2025£750,000 | 4 Bed House25, Great Lawn, Ongar, CM5 0AA25, Great Lawn, Ongar, CM5 0AA
- Sold Aug 2025£545,000 | 4 Bed House9, Bowes Drive, Ongar, CM5 9AU9, Bowes Drive, Ongar, CM5 9AU
- Sold May 2025£540,000 | 4 Bed House89, Mayflower Way, Ongar, CM5 9BB89, Mayflower Way, Ongar, CM5 9BB
- Sold Nov 2024£522,500 | 4 Bed House12, Marks Avenue, Ongar, CM5 9AY12, Marks Avenue, Ongar, CM5 9AY
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 £535,659, ranging from £485,585 to £638,077.
- 20 Marks Avenue
3 Bed House | 5 m | Est. Value: £497,873
- 16 Marks Avenue
3 Bed House | 12 m | Est. Value: £567,786
- 22 Marks Avenue
3 Bed House | 16 m | Est. Value: £485,585
- 14 Marks Avenue
3 Bed House | 18 m | Est. Value: £541,645
- 24 Marks Avenue
3 Bed House | 23 m | Est. Value: £491,765
Location Comparison
Marks Avenue, Ongar, CM5 has a total of 27 addresses. According to our analysis of all the public data, 18, Marks Avenue, Ongar is the 4th largest and the 4th most expensive property on the street.
When compared to the postcode district it is £51k more expensive than the average property in CM5.
More reading links
Schools Nearby
- Ongar Primary School600 m away
- Chipping Ongar Primary School1.2 km away
- High Ongar Primary School1.4 km away
- The Ongar Academy900 m away
- Passmores Academy9.7 km away
- Epping St John's Church of England School10.0 km away
More reading links
Public Transport Nearby
- Epping|9.0 km away
- Theydon Bois|10.5 km away
- Shenfield|10.6 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
