198a, Northolt Road, Harrow, HA2 0EN
About 198a
198a is a mid-terrace house in Harrow (HA2 0EN). It has a recorded floor area of 79 m² (around 850 sq ft) and construction records dating it to 1930-1949. At 79 m² this is the 29th smallest of 31 units on EPC record in the building, where floor areas span 27–79 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (60 versus a best of 78). The latest certificate (September 2018) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
Held since July 2003 — that's 23 years off the open market, well above the local norm. At 79 m² the property is well over the postcode median (31 m² across 30 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £464,000 sits 54.7% above the 2003 sale of £300,000. One planning record on file: an extension approved in 2022. Past consents include an extension and HMO conversion, meaningful when judging how the property has evolved.
Know exactly what you're buying at 198a
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
198a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
- Oct 2022HMOFullIn report
Extension: Rear of property
Additions and alterations including an additional storey, four storey rear extension, enlargement of ground floor commercial space and change of use of upper floor levels from office (Use Class E(g)(i)) to shared living accommodation (20 units) (Sui Generis Use Class) and associated communal kitchen/living spaces. Bin, cycle storage and disabled parking space at rear. [Reconsultation due to design changes and internal revisions]
Extension- Documents
- 51 docs on file
- Reference
- P/2431/21
We flagged 2 things worth checking at 198a
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
£464,000
Modelled from EPC, postcode comparables.
£300,000
Recorded with HM Land Registry.
Sales timeline
9 July 2003Most recent
£300,000
Median price across the last 4 sales in HA2 0EN: £540,000 (2018–2015).
Everything we know about 198a, 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 Northolt Road homes
198a is notably below the street on epc rating.
EPC Rating
60 (D)
Street avg 72 (C)
Floor Area
79 m²
Street avg 35 m²
CO₂ Emissions
3.9 t/year
Street avg 1.1 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Similar properties nearby
1 Blake House, Cottage Close
HA2 0HG
1 Apple Grove
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1 Crown Street
HA2 0HT
1 Eastway Crescent
HA2 0US
1 Drinkwater Road
HA2 0FX
1 Abbots Drive
HA2 0RE
1 Athena Close, Byron Hill Road
HA2 0JB
1 Concord Terrace, Coles Crescent
HA2 0HJ
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
0.1 km
South Harrow Bus Station — bus stop.
Closest school
0.5 km
The Welldon Park Academy. 35 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
49.9dB

Night-time· 23:00 – 07:00
40.3dB