Our Data Sources
21, Hartlea Avenue, Darlington has a single entry in the Land Registry from September 2020 and a single entry in the EPC database dated April 2019.
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
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 21, Hartlea Avenue, Darlington is in very good condition we estimate a sale value of £195,547 and a rental value of £986 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £173,199 and a rental value of £873 per month.
Plot Size
According to data from HM Land Registry, 21, Hartlea Avenue, Darlington sits on a plot of 205 m2.
We have plot size data on 32 out of 36 other houses in the postcode and 21, Hartlea Avenue, Darlington sits on the 28th largest plot.
Energy Efficiency
21, Hartlea Avenue, Darlington has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Apr 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 21, Hartlea Avenue, Darlington was last sold on 1st September 2020 for £122,500 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since September 2020, the market for similar properties has dropped by 30.6%.
- Sold Sep 2020£122,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 101 sales of properties similar to 21, Hartlea Avenue, Darlington within a radius of 1.5 kilometres over the last 2 years.
The most recent example is 3, Gooseberry Grove, Darlington, DL1 3FN, a freehold house which sold for £180,000 on the 27th October 2025.
Read more about house prices in DL1.
- Sold Oct 2025£180,000 | 3 Bed House3, Gooseberry Grove, Darlington, DL1 3FN3, Gooseberry Grove, Darlington, DL1 3FN
- Sold Oct 2023£189,950 | 3 Bed House4, Gooseberry Grove, Darlington, DL1 3FN4, Gooseberry Grove, Darlington, DL1 3FN
- Sold Aug 2017£168,000 | 3 Bed House11, Hartlea Avenue, Darlington, DL1 3NE11, Hartlea Avenue, Darlington, DL1 3NE
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Hartlea Avenue, Darlington, DL1 has a total of 36 addresses. According to our analysis of all the public data, 21, Hartlea Avenue, Darlington is the 36th largest and the 32nd most expensive property on the street.
When compared to the postcode district it is £49k more expensive than the average property in DL1.
More reading links
Schools Nearby
- Harrowgate Hill Primary School1.8 km away
- St Bede's Catholic Primary School1.9 km away
- Northwood Primary School2.6 km away
- Longfield Academy1.7 km away
- Haughton Academy2.7 km away
- St Aidan's Church of England Academy4.2 km away
More reading links
Public Transport Nearby
- North Road (Darlington)|3.0 km away
- Heighington|4.5 km away
- Darlington|4.7 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 is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
