4a, Nibthwaite Road, Harrow, HA1 1TA
About 4a
4a is a two-bedroom semi-detached house in Harrow (HA1 1TA). It has a recorded floor area of 72 m² (around 775 sq ft) and construction records dating it to 1900-1929. At 72 m² this is the 35th smallest of 49 units on EPC record in the building, where floor areas span 24–181 m². The building's EPC ratings span E to C across 49 units on file. Records show the property has been extended at some point in its history. The latest certificate (March 2017) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77).
At 72 m² it's 19% larger than the typical home in the postcode (61 m² median across 48 EPCs). Today's modelled estimate of £391,000 is 10.1% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£458/sq ft) was about 47.9% above the typical sold price in the postcode. Last sold in September 2017, so it's been off the market for around 9 years.
Know exactly what you're buying at 4a
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
- Bedrooms2
- Bathrooms1
Outside
- Private gardenYes
Building
- Previously extendedYes
Energy performance
EPC Rating
Planning history
4a has no planning applications on record.
Notable planning nearby
9applications of note in the surrounding area
We flagged 1 thing worth checking at 4a
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
30-day money-back guarantee
Sales history & valuation
4a valuation sits well clear of the typical sold price in this postcode.
£391,000
Modelled from EPC, postcode comparables.
£355,000
Recorded with HM Land Registry.
Sales timeline
21 September 2017Most recent
£355,000
Median price across the last 5 sales in HA1 1TA: £415,000 (2023–2019).
Nearby sales in HA1 1TA
Everything we know about 4a, 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

Versus other Nibthwaite Road homes
On co₂ emissions, 4a runs well behind the street norm.
Price per m²
£4,931
Street avg £5,874
Floor Area
72 m²
Street avg 55 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
3.5 t/year
Street avg 2.3 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
28/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Safari Cinema — bus stop.
Closest school
0.3 km
Saint Jerome Church of England Bilingual 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
53.0dB

Night-time· 23:00 – 07:00
41.7dB