21 Blenheim Road, Harrow, HA2 7AQ
About 21 Blenheim Road
21 Blenheim Road is a three-bedroom end-of-terrace house in Harrow (HA2 7AQ). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (March 2024) shows a C (score 73). When first surveyed in August 2013 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 87).
It hasn't traded since December 1997, a hold of 28 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £673,000 sits 362.5% above the 1997 sale of £145,500. On a £-per-square-foot basis, the last sale (£147/sq ft) was about 57.4% below the postcode norm. Its energy rating outperforms most of the postcode (better than 77% of similar EPCs). 3 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 21 Blenheim 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
- Bedrooms3
- CloakroomYes
Outside
- GarageYes
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Planning history
- Dec 2008ExtensionOutlineIn report
Extension: Single storey
Certificate of lawful proposed development: single storey side extension; single storey rear extension; rear dormer; one rooflight in side roof slope and two rooflights in the front roofslope
- Documents
- 32 docs on file
- Reference
- P/3253/08
- Jul 2008PorchFullIn report
Extension: Part single, part two storey · Side and rear of property
Single and two storey side single storey front and rear extensions incorporating front porch and two rear dormers and two rooflights
Extension- Documents
- 49 docs on file
- Reference
- P/1773/08FU
We flagged 1 thing worth checking at 21 Blenheim 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
30-day money-back guarantee
Sales history & valuation
21 Blenheim Road's modelled value sits at over four times its earliest registered sale price (1997).
£673,000
Modelled from EPC, postcode comparables.
£145,500
Recorded with HM Land Registry.
Sales timeline
22 December 1997Most recent
£145,500
Median price across the last 5 sales in HA2 7AQ: £730,000 (2024–2021).
Everything we know about 21 Blenheim 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
Versus other Blenheim Road homes
EPC Rating for 21 Blenheim Road runs comfortably ahead of the street norm.
Price per m²
£1,582
Street avg £4,373
Floor Area
92 m²
Street avg 114 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.6 t/year
Street avg 4.7 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
0.3 km
Durham Road (HA1) — bus stop.
Closest school
0.4 km
Vaughan Primary School. 37 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
50.9dB
Night-time· 23:00 – 07:00
41.2dB