77 Castle Road, Northolt, UB5 4SF
About 77 Castle Road
77 Castle Road is a mid-terrace house in Northolt (UB5 4SF). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1930-1949 and council tax band D. 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).
8 planning records sit against the property, 5 approved, 2 refused, 1 pending. Past consents include an extension, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. 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. Across 2021–2021, sale prices on this property compounded at -43.3% per year. Today's modelled estimate of £597,000 is 13.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£381/sq ft) was about 50.7% above the typical sold price in the postcode. Sold February 2021 for £525,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 77 Castle Road
The true value, the hidden risks and the full sale history, in one report.
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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
An application for a single-storey rear extension is currently awaiting a decision.
- Mar 2026ExtensionOutlineIn report
Extension: Single storey · Rear of property
Single storey rear extension (max 6m deep and max 3.10m high) (42 Days Prior Approval Notification Process)
- Agent
- London Residential Architects Limited
- Documents
- 4 docs on file
- Reference
- 261177PALHE
- Dec 2025OutbuildingAmendmentIn report
Single storey rear garden outbuilding for storage use (Lawful Development Certificate for an Existing Development)
- Agent
- London Residential Architects Limited
Retrospective- Documents
- 7 docs on file
- Reference
- 252100CPE
We flagged 3 things worth checking at 77 Castle 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
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£597,000
Modelled from EPC, postcode comparables and a sale-price growth of -43.3% per year over 1 year.
£525,000
Growth on file: -43.3% per year over 1 year.
Sales timeline
26 February 2021Most recent
£525,000
-43.3%26 February 2021
£926,000
Median price across the last 5 sales in UB5 4SF: £475,000 (2024–2020).
Versus other Castle Road homes
On price per m², 77 Castle Road stands well clear of the street.
Price per m²
£7,234
Street avg £4,235
Floor Area
128 m²
Street avg 83 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.9 t/year
Everything you need to know about 77 Castle Road
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee

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






