11a, Nibthwaite Road, Harrow, HA1 1TB
About 11a
11a is a semi-detached house in Harrow (HA1 1TB). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (December 2022) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2010. Between certificates, lighting went from Average to Very Good. The recommended improvements would push it to C (score 79).
It hasn't traded since June 2006, a hold of 20 years that's notably long for the area. Across 2002–2006, sale prices on this property compounded at 4% per year. Today's modelled estimate of £417,000 sits 89.5% above the 2006 sale of £220,000. On a £-per-square-foot basis, the last sale (£246/sq ft) was about 16.1% below the postcode norm.
Know exactly what you're buying at 11a
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
11a has no planning applications on record.
Notable planning nearby
9applications of note in the surrounding area
We flagged 1 thing worth checking at 11a
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
11a valuation sits well clear of the typical sold price in this postcode.
£417,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 4 years.
£220,000
Growth on file: 4.0% per year over 4 years.
Sales timeline
27 June 2006Most recent
£220,000
+15.8%over 3 years17 September 2002
£190,000
Median price across the last 5 sales in HA1 1TB: £580,000 (2025–2022).
Nearby sales in HA1 1TB
Everything we know about 11a, 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 habitable rooms, 11a stands well clear of the street.
Price per m²
£2,651
Street avg £4,212
Floor Area
83 m²
Street avg 75 m²
Habitable Rooms
6 rooms
Street avg 3 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.1 t/year
Similar properties nearby
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. 40 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
52.8dB
Night-time· 23:00 – 07:00
41.4dB