9a, Baynes Mews, Camden, London, NW3 5BH
About 9a
9a is a detached house in Camden, London, London (NW3 5BH). It has a recorded floor area of 59 m² (around 638 sq ft) and construction records dating it to before 1900. At 59 m² this is the smallest unit on EPC record across the building (59–242 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (53 versus a best of 79). The latest certificate (May 2009) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 62). The latest certificate is from May 2009, so improvements made since then won't be reflected.
At 59 m² it sits well below the postcode median (120 m² across 6 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).
Know exactly what you're buying at 9a
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
9a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 May 2019
EPC Rating
Planning history
9a has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 9a
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
9a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£702,000
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 2 sales in NW3 5BH: £745,000 (2022–2005).
Everything we know about 9a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Baynes Mews homes
CO₂ Emissions for 9a runs comfortably ahead of the street norm.
EPC Rating
53 (E)
Street avg 52 (E)
Floor Area
59 m²
Street avg 72 m²
CO₂ Emissions
4.3 t/year
Street avg 4.7 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
1 Belsize Crescent, Camden
NW3 5QY
1 Waterhouse Close, Camden
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1 Buckland Crescent, Camden
NW3 5DH
1 New College Court, Camden
NW3 5EX
1 Burdett Mews, Belsize Crescent
NW3 5QX
1 Copperbeech Close, Camden
NW3 5RB
1 Belsize Place, Camden
NW3 5AL
1 Lyndhurst Gardens, Camden
NW3 5NS
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
Belsize Square — bus stop.
Closest school
0.5 km
Holy Trinity CofE Primary School, NW3. 62 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
53.3dB

Night-time· 23:00 – 07:00
42.2dB