11 High Worple, Harrow, HA2 9SJ
About 11 High Worple
11 High Worple is a semi-detached house in Harrow (HA2 9SJ). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (October 2025) shows a C (score 69), just inside the C band. When first surveyed in November 2021 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average; while window efficiency dropped from Average to Poor.
At 136 m² the property is well over the postcode median (91 m² across 5 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). 3 planning records sit against the property, 3 approved, 0 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £647,000 is 25.6% above the 2022 sale price. Sold April 2022 for £515,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 11 High Worple
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
More low energy lighting installed
Planning history
11 High Worple has 2 separate extension applications on the council record.
- Apr 2023Loft ConversionAmendmentIn report
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roofslope; window in end gable
- Documents
- 8 docs on file
- Reference
- P/0442/23
- Jul 2022ExtensionFullIn report
Extension: Part single, part two storey · Rear of property
Single and two storey rear extension; external alterations
- Documents
- 17 docs on file
- Reference
- P/1724/22
What's in 11 High Worple, Harrow, HA2 9SJ's planning history?
1 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Latest sale on 11 High Worple was the highest on Land Registry record across the postcode.
£647,000
Modelled from EPC, postcode comparables.
£515,000
Recorded with HM Land Registry.
Sales timeline
3 April 2022Most recent
£515,000
Median price across the last 5 sales in HA2 9SJ: £250,000 (2018–2005).
Everything we know about 11 High Worple, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other High Worple homes
On years held, 11 High Worple runs well behind the street norm.
Price per m²
£3,787
Street avg £4,162
Floor Area
136 m²
Street avg 95 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
4.1 t/year
Street avg 4.4 t/year
Similar properties nearby
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
0.1 km
Rayners Lane Underground Station — subway entrance.
Closest school
0.6 km
Newton Farm Nursery, Infant and Junior School. 39 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
51.0dB

Night-time· 23:00 – 07:00
40.0dB