21 Merton Road, Harrow, HA2 0AA
About 21 Merton Road
21 Merton Road is a two-bedroom semi-detached house in Harrow (HA2 0AA). It has a recorded floor area of 127 m² (around 1365 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (January 2009) shows a D (score 66), on the cusp of jumping into the C band. The latest certificate is from January 2009, so improvements made since then won't be reflected.
Held since February 2011 — that's 15 years off the open market, well above the local norm. At 127 m² the property is well over the postcode median (66 m² across 15 EPCs), placing it in the larger end of the local stock. Across 2008–2011, sale prices on this property compounded at 8.6% per year. Today's modelled estimate of £526,000 sits 72.5% above the 2011 sale of £305,000. On a £-per-square-foot basis, the last sale (£223/sq ft) was about 42.9% below the postcode norm. One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 21 Merton Road
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
Energy performance
21 Merton Road's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 28 Jan 2019
EPC Rating
Planning history
21 Merton Road has an approved single-storey side and rear extension on the planning record.
- Nov 2010ExtensionFullIn report
Extension: Single storey · Side and rear of property
First floor side and rear extension
- Documents
- 7 docs on file
- Reference
- P/2455/10
We flagged 2 things worth checking at 21 Merton Road
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
21 Merton Road valuation sits well clear of the typical sold price in this postcode.
£526,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.6% per year over 2 years.
£305,000
Growth on file: 8.6% per year over 2 years.
Sales timeline
9 February 2011Most recent
£305,000
+22.0%over 2 years10 September 2008
£250,000
Median price across the last 5 sales in HA2 0AA: £502,500 (2024–2020).
Everything we know about 21 Merton Road, 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

Versus other Merton Road homes
On co₂ emissions, 21 Merton Road runs well behind the street norm.
Price per m²
£2,405
Street avg £5,620
Floor Area
127 m²
Street avg 82 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
5.1 t/year
Street avg 3.6 t/year
Similar properties nearby
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1 Athena Close, Byron Hill Road
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1 Clonmel Close
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1 Chatsworth Gardens
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1 Emerald Court, Drinkwater Road
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1 Cowen Avenue
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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
0.2 km
Shaftesbury Avenue / Roxeth — 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
52.2dB

Night-time· 23:00 – 07:00
41.5dB