Our Data Sources
20, Carlton Avenue, Harrow has 21 entries in the Land Registry , most recently in April 2013 and a single entry in the EPC database dated March 2026.
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 20, Carlton Avenue, Harrow is in very good condition we estimate a sale value of £669,734 and a rental value of £2,963 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £593,193 and a rental value of £2,625 per month.
Plot Size
According to data from HM Land Registry, 20, Carlton Avenue, Harrow sits on a plot of 384 m2.
We have plot size data on 27 out of 29 other houses in the postcode and 20, Carlton Avenue, Harrow sits on the 6th largest plot.
Energy Efficiency
20, Carlton Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Mar 2026.
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, 20, Carlton Avenue, Harrow was last sold on 11th April 2013 for £485,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since April 2013, the market for similar properties has risen by 46.4%.
- Sold Apr 2013£485,000
- Sold Jun 1999£190,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 20, Carlton Avenue, Harrow within a radius of 560 metres over the last 2 years.
The most recent example is 6, Mayfield Avenue, Harrow, HA3 8EU, a freehold house which sold for £770,000 on the 31st March 2025.
Read more about house prices in HA3.
- Sold Mar 2025£770,000 | 4 Bed House6, Mayfield Avenue, Harrow, HA3 8EU6, Mayfield Avenue, Harrow, HA3 8EU
- Sold Apr 2024£625,000 | 4 Bed House54, Carlton Avenue, Harrow, HA3 8AY54, Carlton Avenue, Harrow, HA3 8AY
- Sold Apr 2013£426,000 | 4 Bed House18, Carlton Avenue, Harrow, HA3 8AY18, Carlton Avenue, Harrow, HA3 8AY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Carlton Avenue, Harrow, HA3 has a total of 80 addresses. According to our analysis of all the public data, 20, Carlton Avenue, Harrow is the 15th largest and the 22nd most expensive property on the street.
When compared to the postcode district it is £125k more expensive than the average property in HA3.
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Schools Nearby
- 700mElmgrove Primary School & Nursery
- 1.0kmSaint Jerome Church of England Bilingual School
- 1.3kmMount Stewart Infant School
- 800mHarrow High School
- 900mSt Gregory's Catholic Science College
- 1.7kmClaremont High School
More reading links
Public Transport Nearby
- 300mKenton
- 600mNorthwick Park
- 1.4kmHarrow-on-the-Hill
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast 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.












