18, Napier Road
18, Napier Road
Description & Estimates







18, Napier Road, Isleworth is described in the public record as a period house with 957 ft2 of internal area, sitting on a 93.7 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 18, Napier Road, Isleworth is £649,673 and its rental estimate is £2,563 per month, given the available information and assuming reasonable condition.
Napier Road, Isleworth, TW7 falls within the TW7 postal district, in the borough of Hounslow.
Our Data Sources
18, Napier Road, Isleworth has no recent1 records in the the Land Registry and a single entry in the EPC database dated September 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high 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, Napier Road, Isleworth, we estimate a market value of £682,157 and a rental value of £2,691 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £604,196 and £2,384 per month respectively.
Recent Market Change
Over the last year, 18, Napier Road, Isleworth has seen its estimated sale value drop by £16,169 (2.5%) and its estimated rental value rise by £48 per month (1.9%). This results in an estimated gross rental yield of 4.7%.
Plot Size
HM Land Registry records the plot of land for 18, Napier Road, Isleworth as measuring 94 m2.
That makes it the 9th largest plot in the postcode, where all 10 other houses have recorded plot data.
Energy Efficiency
18, Napier Road, Isleworth has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Sep 2025.
The property is connected to mains gas and has partial double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 18, Napier Road, Isleworth completed on 10th October 2003 at £295,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
- Sold Oct 2003£295,000
- Sold Oct 1998£155,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 18, Napier Road, Isleworth have sold within a radius of 430 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 26th September 2024, was 88, Worple Road, Isleworth, TW7 7HU, a freehold house which sold for £675,000.
Read more about house prices in TW7.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 59 addresses on Napier Road, Isleworth, TW7, 18, Napier Road, Isleworth comes out as the 31st largest and the 31st most expensive in our analysis of the public data.
It is also £148k more expensive than the average property across the TW7 district.
More reading links
Schools Nearby
- 400mWorple Primary School
- 700mSt Mary's Catholic Primary School, Isleworth
- 700mSt Stephen's C E Primary School
- 700mGumley House RC Convent School, FCJ
- 1.6kmThe Richmond upon Thames School
- 1.6kmOrleans Park School
More reading links
Public Transport Nearby
From 18, Napier Road, Isleworth, the nearest station is St Margarets (London), 1.0 kilometres away.
- 1.0kmSt Margarets (London)
- 1.4kmTwickenham
- 1.5kmIsleworth
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.

