Jarvis Cottage, Porlock Avenue, Harrow, HA2 0AS
About Jarvis Cottage
Jarvis Cottage is a three-bedroom detached house in Harrow (HA2 0AS). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (April 2024) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 76). Other recorded features include notable views. Records show the property has been extended at some point in its history.
Across 1999–2024, sale prices on this property compounded at 6% per year. On a £-per-square-foot basis, the last sale (£535/sq ft) was about 61.4% above the typical sold price in the postcode. Last sale on file: £782,500 in October 2024. One historical planning record sits against the property in 2001.
Know exactly what you're buying at Jarvis Cottage
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenYes
- GarageYes
- Notable viewsYes
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
Jarvis Cottage's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
- Jun 2001
We flagged 2 things worth checking at Jarvis Cottage
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
Jarvis Cottage has more than quadrupled in price since its earliest registered sale in 1999.
£843,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 25 years.
£782,500
Growth on file: 6.0% per year over 25 years.
Sales timeline
29 October 2024Most recent
£782,500
+70.1%over 12 years29 October 2012
£460,000
+10.8%over 1 year22 December 2010
£415,000
+133.1%over 11 years6 May 1999
£178,000
Median price across the last 3 sales in HA2 0AS: £442,000 (2022–1996).
Nearby sales in HA2 0AS
Everything we know about Jarvis Cottage, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Treve Avenue Whitmore Road — bus stop.
Closest school
0.2 km
Whitmore High School. 38 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.5dB

Night-time· 23:00 – 07:00
40.8dB