31 Weald Lane, Harrow, HA3 5EU is a freehold semi-detached property built between 1930-1949. The property offers approximately 1,905 square feet of living space. In this location, properties of similar size usually have six bedrooms.

The estimated current market value of the property is £528,778 , which equates to approximately £278 per square foot. It was last sold on 13 Oct 2025 for £533,000. Since then, the value has decreased by £4,222, representing a 0.8% decrease, or approximately 1.2% per year.

The current estimated value of £528,778 is:

  • 13.1% higher than the average property price on Weald Lane
  • 20.2% higher than the average in the HA3 5EU postcode area
  • and 1.0% lower than the average price for Harrow as a whole

At the most recent EPC inspection on 2 July 2022, the property was recorded as owner-occupied.

View sold house prices in HA3 5EU

Building approximate location

About Property

Type
Semi-Detached House
Built
1930-1949
Interior Size
1905 sq ft
Tenure
Freehold
Price (estimate)
£528,778
Price Per sq ft (estimate)
£278
Bedroom Count (estimate)
6 bedrooms

EPC Summary

31 Weald Lane, Harrow, Greater London, HA3 5EU has an Energy Performance Certificate (EPC) rating of D, based on the latest assessment carried out on 16 Apr 2026.

This property uses electric room heaters as its main heating source. A standard tariff electric immersion heater is used to provide hot water. The windows are high performance glazing.

The previous EPC assessment was conducted on 2 Jul 2022. The rating of D is unchanged, though the energy efficiency score decreased by 1.8%.

Since the previous assessment, several changes were observed:

  • The heating system was upgraded from boiler and radiators, mains gas to room heaters, electric, changing energy efficiency from good to very poor.
  • The hot water system was changed from from main system to electric immersion, standard tariff, with its energy efficiency changing from average to very poor.
  • The roof construction or insulation changed from pitched, 200 mm loft insulation to average thermal transmittance 0.14 w/m²k, improving energy efficiency from good to very good.
  • The wall construction or insulation changed from solid brick, as built, no insulation (assumed) to average thermal transmittance 0.22 w/m²k, improving energy efficiency from very poor to very good.
  • The windows were upgraded from fully double glazed to high performance glazing.
  • The lighting was updated from low energy lighting in 46% of fixed outlets to low energy lighting in all fixed outlets, with efficiency improving from good to very good.
Heating Type
Room heaters, electric
Very Poor
Hot Water
Electric immersion, standard tariff
Very Poor
Floor
Average thermal transmittance 0.19 W/m²K
Very Good
Roof
Average thermal transmittance 0.14 W/m²K
Very Good
Walls
Average thermal transmittance 0.22 W/m²K
Very Good
Windows
High performance glazing
Very Good
Lighting
Low energy lighting in all fixed outlets
Very Good

Compared to HA3 5EU

8 th / 13
Price Rank
20% higher than average
1 st / 12
Size Rank
106% bigger than average
12 th / 12
Price Per Sq FT Rank
42% lower than average

Sale History

Today
£528,778
streetscan.co.uk estimate
-1 %
13 Oct 2025
£533,000
Freehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
Very low flood risk
Surface water flood hazard
No mapped risk

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has very low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has very low surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk

Area Insights

Similar Properties Sold Nearby

rooms: 7
size: 1722 sq ft
sale price: £670,000
sale date: 12 Oct 2022

Data Sources

The property at 31 Weald Lane, Harrow, HA3 5EU appears once in HM Land Registry records, with the transaction recorded on 13 Oct 2025. It also has two Energy Performance Certificate (EPC) records, the earliest dating back to 16 Apr 2026. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.