Our Data Sources
18, Penwerris Avenue, Isleworth has 21 entries in the Land Registry , most recently in December 2016 and a single entry in the EPC database dated September 2009.
We combine this information with that 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.
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 18, Penwerris Avenue, Isleworth, we estimate a market value of £918,331 and a rental value of £3,190 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £813,379 and £2,825 per month respectively.
Plot Size
HM Land Registry records the plot of land for 18, Penwerris Avenue, Isleworth as measuring 373 m2.
That makes it the 11th largest plot in the postcode, where all 17 other houses have recorded plot data.
Energy Efficiency
18, Penwerris Avenue, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Sep 2009.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 18, Penwerris Avenue, Isleworth completed on 23rd December 2016 at £800,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 1.0% over the period since December 2016.
- Sold Dec 2016£800,000
- Sold Sep 2000£249,500
Similar Properties Sold Nearby
Over the past 2 years 94 properties similar to 18, Penwerris Avenue, Isleworth have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 14th October 2024, was 18, Cranmore Avenue, Isleworth, TW7 4QW, a freehold house which sold for £900,000.
Read more about house prices in TW7.
- Sold Oct 2024£900,000 | 4 Bed House18, Cranmore Avenue, Isleworth, TW7 4QW18, Cranmore Avenue, Isleworth, TW7 4QW
- Sold May 2024£820,000 | 4 Bed House30A, Osterley Avenue, Isleworth, TW7 4QF30A, Osterley Avenue, Isleworth, TW7 4QF
- Sold Nov 2022£856,750 | 4 Bed House62, Bassett Gardens, Isleworth, TW7 4QY62, Bassett Gardens, Isleworth, TW7 4QY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 40 addresses on Penwerris Avenue, Isleworth, TW7, 18, Penwerris Avenue, Isleworth comes out as the 22nd largest and the 17th most expensive in our analysis of the public data.
It is also £368k more expensive than the average property across the TW7 district.
More reading links
Schools Nearby
- Alexandra Primary School900 m away
- Spring Grove Primary School1.0 km away
- Heston Primary School1.1 km away
- Isleworth and Syon School for Boys1.0 km away
- Lampton Academy1.0 km away
- Heston Community School1.0 km away
More reading links
Public Transport Nearby
- Osterley|300 m away
- Hounslow East|900 m away
- Hounslow Central|1.4 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












