147 Herlwyn Avenue, Ruislip, HA4 6HS is a freehold semi-detached property built between 1930-1949. The property offers approximately 786 square feet of living space. In this location, properties of similar size usually have two bedrooms.

The estimated current market value of the property is £539,617 , which equates to approximately £687 per square foot. It was last sold on 23 Oct 2009 for £249,950. Since then, the value has increased by £289,667, representing a 115.9% increase, or approximately 7.2% per year.

The current estimated value of £539,617 is:

  • 7.7% lower than the average property price on Herlwyn Avenue
  • 9.7% lower than the average in the HA4 6HS postcode area
  • and 9.2% lower than the average price for Ruislip as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 28 October 2025, the property was recorded as owner-occupied.

View sold house prices in HA4 6HS

Building approximate location

About Property

Type
Semi-Detached Bungalow
Built
1930-1949
Interior Size
786 sq ft
Tenure
Freehold
Price (estimate)
£539,617
Price Per sq ft (estimate)
£687
Bedroom Count (estimate)
2 bedrooms

EPC Summary

147 Herlwyn Avenue, Ruislip, Hillingdon, Greater London, HA4 6HS has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 28 Oct 2025.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from the main heating system, though the cylinder has no thermostat. The windows are mostly double glazed.

The previous EPC assessment was conducted on 6 Jul 2009, when the property was rated E. Since then, the rating has improved to D, with the energy efficiency score increasing by 22.9%.

Since the previous assessment, several changes were observed:

  • The main heating energy efficiency improving from average to good, while the heating system type remained the same (boiler and radiators, mains gas).
  • The hot water system was changed from from main system, no cylinderstat to from main system, no cylinder thermostat, with its energy efficiency improving from poor to average.
  • The roof construction or insulation changed from pitched, 300+ mm loft insulation to pitched, insulated (assumed), changing energy efficiency from very good to average.
  • The windows were upgraded from fully double glazed to mostly double glazing.
  • The lighting was updated from no low energy lighting to below average lighting efficiency, with efficiency improving from very poor to poor.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system, no cylinder thermostat
Average
Roof
Pitched, insulated (assumed)
Average
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Mostly double glazing
Poor
Lighting
Below average lighting efficiency
Poor

Compared to HA4 6HS

13 th / 13
Price Rank
10% lower than average
6 th / 10
Size Rank
5% smaller than average
7 th / 10
Price Per Sq FT Rank
5% lower than average

Compared to other properties in HA4 6HS , this bungalow's estimated value ranks 13th out of 13. Based on price per square foot, it ranks 7th out of 10 properties. This indicates a lower price per square foot than most, suggesting good value for the space offered. In terms of size, this home ranks 6th out of 10 properties in its postcode area.

Sale History

Today
£539,617
streetscan.co.uk estimate
+116 %
23 Oct 2009
£249,950
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 4
size: 753 sq ft
sale price: £385,000
sale date: 31 Mar 2025
rooms: 4
size: 786 sq ft
sale price: £600,000
sale date: 3 Mar 2023
rooms: 3
size: 840 sq ft
sale price: £420,000
sale date: 21 Nov 2014
rooms: 3
size: 710 sq ft
sale price: £295,000
sale date: 30 Jun 2006
rooms: 4
size: 678 sq ft
sale price: £500,000
sale date: 31 Mar 2025

Data Sources

The property at 147 Herlwyn Avenue, Ruislip, Hillingdon, Greater London, HA4 6HS appears once in the Land Registry records, with the transaction recorded on 23 Oct 2009. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 28 Oct 2025. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


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