Our Data Sources
21, Warden Avenue, Harrow has no recent1 records in the Land Registry and a single entry in the EPC database dated November 2018.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 21, Warden Avenue, Harrow is in very good condition we estimate a sale value of £515,675 and a rental value of £2,377 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £456,741 and a rental value of £2,105 per month.
Plot Size
According to data from HM Land Registry, 21, Warden Avenue, Harrow sits on a plot of 205 m2.
We have plot size data on 11 out of 12 other houses in the postcode and 21, Warden Avenue, Harrow sits on the 9th largest plot.
Energy Efficiency
21, Warden Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Nov 2018.
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, 21, Warden Avenue, Harrow was last sold on 7th October 1999 for £130,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
- Sold Oct 1999£130,000
- Sold Aug 1996£85,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 224 sales of properties similar to 21, Warden Avenue, Harrow within a radius of 490 metres since 2017.
The most recent example is 53, Warden Avenue, Harrow, HA2 9LL, a freehold house which sold for £595,000 on the 13th March 2026.
Read more about house prices in HA2.
- Sold Mar 2026£595,000 | 3 Bed House53, Warden Avenue, Harrow, HA2 9LL53, Warden Avenue, Harrow, HA2 9LL
- Sold Jan 2026£563,000 | 3 Bed House71, Drake Road, Harrow, HA2 9DZ71, Drake Road, Harrow, HA2 9DZ
- Sold Aug 2025£290,000 | 3 Bed House30, Ovesdon Avenue, Harrow, HA2 9PD30, Ovesdon Avenue, Harrow, HA2 9PD
- Sold Jun 2025£530,000 | 3 Bed House4, Oxleay Road, Harrow, HA2 9UY4, Oxleay Road, Harrow, HA2 9UY
- Sold Mar 2025£560,000 | 3 Bed House16, Drake Road, Harrow, HA2 9EA16, Drake Road, Harrow, HA2 9EA
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 £479,828, ranging from £304,691 to £623,751.
- 19 Warden Avenue
3 Bed House | 6 m | Est. Value: £519,029
- 23 Warden Avenue
4 Bed House | 6 m | Est. Value: £582,143
- 17A Warden Avenue
2 Bed Flat | 15 m | Est. Value: £337,508
- 17 Warden Avenue
2 Bed Flat | 15 m | Est. Value: £304,691
- 25 Warden Avenue
2 Bed Flat | 17 m | Est. Value: £343,248
Location Comparison
Warden Avenue, Harrow, HA2 has a total of 132 addresses. According to our analysis of all the public data, 21, Warden Avenue, Harrow is the 80th largest and the 112th most expensive property on the street.
When compared to the postcode district it is £2k more expensive than the average property in HA2.
More reading links
Schools Nearby
- Newton Farm Nursery, Infant and Junior School400 m away
- Roxbourne Primary School800 m away
- Longfield Primary School900 m away
- Rooks Heath School1.1 km away
- Pinner High School1.3 km away
- Whitmore High School1.4 km away
More reading links
Public Transport Nearby
- Rayners Lane|300 m away
- North Harrow|1.6 km away
- West Harrow|1.6 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast 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.
