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Get startedFlat 1, 10 Cosway Street, London, NW1 5NR
3 planning records
About Flat 1
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Flat 1 is a mid-terrace house in London (NW1 5NR). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1950-1966 and council tax band D. At 48 m² this is the largest unit on EPC record across the building (33–48 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 (78 versus a worst of 63). The latest certificate (September 2020) shows a C (score 78), near the top of the C band. The recommended improvements would push it to B (score 82).
3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. At 48 m² it's 17.1% larger than the typical home in the postcode (41 m² median across 56 EPCs). On a £-per-square-foot basis, the last sale (£948/sq ft) was about 54.3% above the typical sold price in the postcode. Sold July 2022 for £490,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Flat 1's carbon output is low for the local stock.
EPC Rating
A
B
C
C78
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
1.2 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against Flat 1, 10 Cosway Street, London, NW1 5NR, sourced from the PlanIt planning register.
Flat 1 has an approved rear extension on the planning record.
- May 2015ExtensionFullGranted
Variation to Condition 1 of planning permission dated 13 January 2015 (RN: 14/11513) for erection of conservatory at rear basement level in association with basement flat. Namely to reduce the area of glazing on roof and rear elevation.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
Current estimate
See how we calculated this£476,000
Modelled from EPC, postcode comparables.
Last sold (2022)
£490,000
Recorded with HM Land Registry.
Sales timeline
Versus other Cosway Street homes
Four headline reads against 56 similar flats on this street, drawn from the latest EPC and Land Registry data.
Flat 1 outperforms the street on epc rating by a wide margin.
Price per m²
£10,208
Street avg £10,856
Floor Area
48 m²
Street avg 46 m²
Habitable Rooms
2 rooms
Street avg 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
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Old Marylebone Road — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around NW1 5NR from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
62.4dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 89 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 Flat 1, 10 Cosway Street, London, NW1 5NR. Each answer is also embedded as structured data for search engines.