20 Merton Road, Harrow, HA2 0AB
About 20 Merton Road
20 Merton Road is a four-bedroom semi-detached house in Harrow (HA2 0AB). It has a recorded floor area of 146 m² (around 1572 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (January 2024) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 82).
Held since November 1997 — that's 29 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 146 m² it's 19.7% larger than the typical home in the postcode (122 m² median across 19 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. 4 bedrooms is on the larger side for this postcode, where 2 is the typical count. Today's modelled estimate of £781,000 sits 767.8% above the 1997 sale of £90,000. On a £-per-square-foot basis, the last sale (£57/sq ft) was about 82.5% below the postcode norm. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.
Know exactly what you're buying at 20 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
- Bedrooms4
Energy performance
20 Merton Road ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Planning history
20 Merton Road has 2 separate extension applications on the council record.
- Oct 2018ExtensionOutlineIn report
Certificate of lawful development (proposed): single storey rear extension following pnr (ref:p/0206/18/prior)
- Documents
- 7 docs on file
- Reference
- P/3175/18
- May 2018Loft ConversionFullIn report
Extension: Single storey · Side of property
First floor side extension; roof extension and rear dormer to create habitable roofspace; external alterations
Extension- Documents
- 12 docs on file
- Reference
- P/0273/18
We flagged 2 things worth checking at 20 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
20 Merton Road's modelled value sits at over four times its earliest registered sale price (1997).
£781,000
Modelled from EPC, postcode comparables.
£90,000
Recorded with HM Land Registry.
Sales timeline
24 November 1997Most recent
£90,000
Median price across the last 5 sales in HA2 0AB: £675,000 (2025–2019).
Everything we know about 20 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 price per m², 20 Merton Road runs well behind the street norm.
Price per m²
£616
Street avg £5,036
Floor Area
146 m²
Street avg 120 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.9 t/year
Street avg 5.9 t/year
Similar properties nearby
1 Cottage Close
HA2 0HA
1 Chatsworth Gardens
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1 Clonmel Close
HA2 0JZ
1 Blake House, Cottage Close
HA2 0HG
1 Crown Street
HA2 0HT
1 Abbots Drive
HA2 0RE
1 Athena Close, Byron Hill Road
HA2 0JB
1 Blossom Avenue
HA2 0GL
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. 36 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
52.4dB

Night-time· 23:00 – 07:00
41.7dB