15 Mahlon Avenue, Ruislip, HA4 6SY is a freehold semi-detached property built between 1900-1929. The property offers approximately 1,313 square feet of living space. In this location, properties of similar size usually have four bedrooms.

The estimated current market value of the property is £765,039 , which equates to approximately £583 per square foot. It was last sold on 15 Aug 2014 for £485,000. Since then, the value has increased by £280,039, representing a 57.7% increase, or approximately 5.1% per year.

The current estimated value of £765,039 is:

  • 48.0% higher than the average property price on Mahlon Avenue
  • 22.7% higher than the average in the HA4 6SY postcode area
  • and 28.7% higher than the average price for Ruislip as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded once as rented and once as owner-occupied, indicating a change in how it was used over time.

At the most recent EPC inspection on 19 June 2025, the property was recorded as rented.

View sold house prices in HA4 6SY

Building approximate location

About Property

Type
Terraced House
Built
1900-1929
Interior Size
1313 sq ft
Tenure
Freehold
Price (estimate)
£765,039
Price Per sq ft (estimate)
£583
Bedroom Count (estimate)
4 bedrooms

EPC Summary

15 Mahlon Avenue, Ruislip, Hillingdon, Greater London, HA4 6SY has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 19 Jun 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 main heating system. The windows are fully double glazed.

The previous EPC assessment was conducted on 19 May 2014. The rating of D remains the same, but the energy efficiency score improved by 3.3%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 50 mm loft insulation to pitched, 200 mm loft insulation, improving energy efficiency from poor to good.
  • The wall construction or insulation changed from cavity wall, as built, no insulation (assumed) to solid brick, as built, no insulation (assumed), changing energy efficiency from poor to very poor.
  • The windows were upgraded from mostly double glazing to fully double glazed.
  • The lighting was changed from low energy lighting in 94% of fixed outlets to excellent lighting efficiency, with no change in efficiency (very good).
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 200 mm loft insulation
Good
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Fully double glazed
Average
Lighting
Excellent lighting efficiency
Very Good

Compared to HA4 6SY

3 rd / 15
Price Rank
23% higher than average
2 nd / 11
Size Rank
32% bigger than average
8 th / 11
Price Per Sq FT Rank
7% lower than average

Compared to other properties in HA4 6SY , this house's estimated value ranks 3rd out of 15. Based on price per square foot, it ranks 8th out of 11 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 2nd out of 11 properties in its postcode area.

Sale History

Today
£765,039
streetscan.co.uk estimate
+58 %
15 Aug 2014
£485,000
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 7
size: 1302 sq ft
sale price: £530,000
sale date: 17 May 2019
rooms: 6
size: 1173 sq ft
sale price: £585,000
sale date: 29 Oct 2018
rooms: 7
size: 1477 sq ft
sale price: £295,000
sale date: 16 Mar 2009

Data Sources

The property at 15 Mahlon Avenue, Ruislip, Hillingdon, Greater London, HA4 6SY appears once in the Land Registry records, with the transaction recorded on 15 Aug 2014. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 19 Jun 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.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.