12 Sparkbridge Road, Harrow, HA1 1TJ
About 12 Sparkbridge Road
12 Sparkbridge Road is a semi-detached house in Harrow (HA1 1TJ). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (November 2015) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from November 2015, so improvements made since then won't be reflected.
At 141 m² the property is well over the postcode median (96 m² across 11 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). 6 planning records sit against the property, 1 approved, 0 refused. Past consents include a garage conversion, meaningful when judging how the property has evolved. Across 2007–2022, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £664,000 is 10.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£395/sq ft) was about 59.8% above the typical sold price in the postcode. Most recent transfer: July 2022 at £600,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 12 Sparkbridge 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
Energy performance
12 Sparkbridge Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Nov 2025
EPC Rating
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Nov 2015Garage ConversionIn report
Garage conversion into habitable room
- Council
- 11
- Reference
- BN/01414/2015
- Jun 2015Garage ConversionFullIn report
Conversion of garage to habitable room; external alterations
- Documents
- 12 docs on file
- Reference
- P/1325/15
We flagged 1 thing worth checking at 12 Sparkbridge 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£664,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 15 years.
£600,000
Growth on file: 3.7% per year over 15 years.
Sales timeline
5 July 2022Most recent
£600,000
-49.1%over 4 years1 March 2018
£1,178,666
+236.8%over 10 years23 September 2007
£350,000
Median price across the last 5 sales in HA1 1TJ: £522,000 (2023–2016).
Nearby sales in HA1 1TJ
Everything we know about 12 Sparkbridge 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 Sparkbridge Road homes
Habitable Rooms for 12 Sparkbridge Road runs comfortably ahead of the street norm.
Price per m²
£4,255
Street avg £4,040
Floor Area
141 m²
Street avg 108 m²
Habitable Rooms
9 rooms
Street avg 6 rooms
CO₂ Emissions
7.3 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
28/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Harrow Civic Centre / Harrow Mosque — bus stop.
Closest school
0.3 km
Marlborough Primary 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
53.7dB
Night-time· 23:00 – 07:00
42.3dB