25a, Belsize Crescent, Camden, London, NW3 5QY
About 25a
25a is a semi-detached house in Camden, London, London (NW3 5QY). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1900-1929 and council tax band F. At 96 m² this is the 23rd smallest of 28 units on EPC record in the building, where floor areas span 30–386 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (September 2017) shows a C (score 76), near the top of the C band. When first surveyed in May 2014 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good.
At 96 m² the property is well over the postcode median (69 m² across 48 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
Know exactly what you're buying at 25a
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Glazing upgraded to newer, more efficient type
More low energy lighting installed
Windows upgraded, improving insulation
Planning history
- Sept 2015ConditionsIn report
Details of tree protection required by condition 5 of planning permission 2015/2848/P dated 03/08/2015 (for external alterations to lower ground floor flat including replacement of the existing conservatory with a single storey rear extension).
- Documents
- 6 docs on file
- Reference
- 2015/4885/P
- Aug 2015ConservatoryFullIn report
Extension: Single storey · Rear of property
External alterations to lower ground floor flat including replacement of the existing conservatory with a single storey rear extension.
Extension- Reference
- 2015/2848/P
We flagged 1 thing worth checking at 25a
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
25a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,042,000
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 NW3 5QY: £809,000 (2025–2025).
Nearby sales in NW3 5QY
5 Belsize Crescent, Camden, London, NW3 5QY
Sold Jun 2025
£865,000Flat D, 17 Belsize Crescent, London, NW3 5QY
Sold May 2025
£809,000First Floor Flat, 19 Belsize Crescent, London, NW3 5QY
Sold May 2025
£775,000Flat 1, 33 Belsize Crescent, London, NW3 5QY
Sold Feb 2025
£1,346,000Flat C, 17 Belsize Crescent, London, NW3 5QY
Sold Jan 2025
£790,000
Everything we know about 25a, 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 Belsize Crescent homes
25a outperforms the street on habitable rooms by a wide margin.
EPC Rating
76 (C)
Street avg 68 (D)
Floor Area
96 m²
Street avg 72 m²
CO₂ Emissions
2.4 t/year
Street avg 2.8 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
Similar properties nearby
1 Belsize Place, Camden
NW3 5AL
1 Copperbeech Close, Camden
NW3 5RB
1 Burdett Mews, Belsize Crescent
NW3 5QX
1 Lyndhurst Gardens, Camden
NW3 5NS
1 Mulberry Close, Camden
NW3 5UP
1 Belsize Mews, Camden
NW3 5AT
1 Rosslyn Park Mews, Lyndhurst Road, Camden
NW3 5NJ
1 Waterhouse Close, Camden
NW3 5PF
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
0.2 km
Belsize Square — bus stop.
Closest school
0.5 km
Fitzjohn's Primary School. 60 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
42.5dB