77a, Castle Road, Northolt, UB5 4SF
About 77a
77a is a mid-terrace house in Northolt (UB5 4SF). It has a recorded floor area of 128 m² (around 1378 sq ft) and construction records dating it to 1930-1949. The latest certificate (December 2024) shows a C (score 71). When first surveyed in August 2020 the rating was F, the property has climbed 3 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Very Poor to Good and main heating went from Average to Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to B (score 84).
At 128 m² the property is well over the postcode median (76 m² across 39 EPCs), placing it in the larger end of the local stock.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Hot water system upgraded
Window efficiency improved
Planning history
77a has no planning applications on record.
Notable planning nearby
17applications of note in the surrounding area
We flagged 2 things worth checking at 77a
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
30-day money-back guarantee
Sales history & valuation
77a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£622,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in UB5 4SF: £512,000 (2024–2021).
Versus other Castle Road homes
77a outperforms the street on floor area by a wide margin.
EPC Rating
71 (C)
Street avg 61 (D)
Floor Area
128 m²
Street avg 83 m²
CO₂ Emissions
3.8 t/year
Street avg 3.9 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
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
0.1 km
Castle Road / Oriel Way — bus stop.
Closest school
0.7 km
Petts Hill Primary School. 41 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
51.1dB

Night-time· 23:00 – 07:00
42.4dB







