16d, Belsize Square, London, NW3 4HT
About 16d
16d is an end-of-terrace house in London (NW3 4HT). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to before 1900 and council tax band E. At 45 m² this is the 11th smallest of 52 units on EPC record in the building, where floor areas span 39–211 m². The building's EPC ratings span F to C across 52 units on file. The latest certificate (May 2014) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 72). The latest certificate is from May 2014, so improvements made since then won't be reflected.
At 45 m² it sits well below the postcode median (97 m² across 74 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £569,000 is 10.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£1,063/sq ft) was about 88.5% above the typical sold price in the postcode. Last sale on file: £515,000 in February 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 16d
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
16d'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This certificate is over 10 years old and is no longer valid.Expired 21 May 2024
EPC Rating
Planning history
16d has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 16d
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£569,000
Modelled from EPC, postcode comparables.
£515,000
Recorded with HM Land Registry.
Sales timeline
19 February 2021Most recent
£515,000
Median price across the last 5 sales in NW3 4HT: £1,000,000 (2024–2022).
Nearby sales in NW3 4HT
Flat 5, 8 Belsize Square, London, NW3 4HT
Sold Nov 2024
£1,090,000Flat B, 10 Belsize Square, London, NW3 4HT
Sold Sept 2023
£617,500Flat 4, 22 Belsize Square, London, NW3 4HT
Sold Aug 2022
£1,330,000Flat 5, 22 Belsize Square, London, NW3 4HT
Sold May 2022
£1,000,0004e, Belsize Square, London, NW3 4HT
Sold Mar 2022
£519,000
Everything we know about 16d, 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 Square homes
On years held, 16d runs well behind the street norm.
Price per m²
£11,444
Street avg £9,443
Floor Area
45 m²
Street avg 93 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.6 t/year
Street avg 3.7 t/year
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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. 70 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
53.9dB

Night-time· 23:00 – 07:00
42.9dB