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Get startedArnellan House, Flat 4, 144 Slough Lane, Brent, London, NW9 8XJ
1 planning record
About Arnellan House
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Arnellan House is a detached house in Brent, London, London (NW9 8XJ). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to 1976-1982. At 48 m² this is the smallest unit on EPC record across Arnellan House (48–61 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (75 versus a worst of 57). The latest certificate (June 2023) shows a C (score 75), near the top of the C band.
One planning record on file: new windows approved in 2025. Past consents include new windows, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£625/sq ft) was about 43.7% above the typical sold price in the postcode. At 48 m² it's 21.1% smaller than the typical home in the postcode (61 m² median across 8 EPCs). Last sale on file: £323,000 in September 2023.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Arnellan House's carbon output is low for the local stock.
EPC Rating
A
B
C
C75
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
1.4 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against Arnellan House, Flat 4, 144 Slough Lane, Brent, London, NW9 8XJ, sourced from the PlanIt planning register.
- Apr 2025RenovationFullGranted
Proposed replacement of x6 uPVC windows for new uPVC windows to first floor flat.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Current estimate
See how we calculated this£344,000
Modelled from EPC, postcode comparables.
Last sold (2023)
£323,000
Recorded with HM Land Registry.
Sales timeline
Versus other Slough Lane homes
Four headline reads against 8 similar flats on this street, drawn from the latest EPC and Land Registry data.
On price per m², Arnellan House stands well clear of the street.
Price per m²
£6,729
Street avg £4,490
Floor Area
48 m²
Street avg 60 m²
Habitable Rooms
3 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Kingsbury Road / Roe Green — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around NW9 8XJ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
51.0dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 82 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about Arnellan House, Flat 4, 144 Slough Lane, Brent, London, NW9 8XJ. Each answer is also embedded as structured data for search engines.