517a, Finchley Road, Camden, London, NW3 7BB
About 517a
517a is a mid-terrace house in Camden, London, London (NW3 7BB). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1900-1929 and council tax band C. At 54 m² this is the 3rd smallest of 5 units on EPC record in 517a, where floor areas span 42–56 m². The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (52 versus a best of 58). The latest certificate (November 2019) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (November 2008); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Average; while main heating dropped from Poor to Very Poor. The recommended improvements would push it to D (score 66). Main heating runs on electricity.
It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).
Know exactly what you're buying at 517a
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
Upgraded to gas central heating
Switched from oil to mains gas, reducing emissions and costs
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
More low energy lighting installed
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Wall insulation improved
Roof insulation improved
Low energy lighting percentage decreased
Upgraded to gas central heating
Connected to mains gas supply
Hot water system upgraded
Single glazing replaced with double or better glazing
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
More low energy lighting installed
Upgraded to gas central heating
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Low energy lighting percentage decreased
Planning history
517a has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 517a
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
517a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£437,000
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 7BB: £500,000 (2024–2011).
Nearby sales in NW3 7BB
Flat 8, 525 Finchley Road, London, NW3 7BB
Sold Sept 2024
£395,000Flat 6, 525 Finchley Road, London, NW3 7BB
Sold Jun 2021
£500,000Flat 9, 525 Finchley Road, London, NW3 7BB
Sold Jun 2017
£700,000519b, Finchley Road, Camden, London, NW3 7BB
Sold Jun 2015
£880,000Flat 2, 525 Finchley Road, London, NW3 7BB
Sold Oct 2011
£344,000
Everything we know about 517a, 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 Finchley Road homes
On epc rating, 517a runs well behind the street norm.
EPC Rating
52 (E)
Street avg 64 (D)
Floor Area
54 m²
Street avg 56 m²
CO₂ Emissions
2.9 t/year
Street avg 2.7 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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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
0.0 km
Lyncroft Gardens NW6 — bus stop.
Closest school
0.3 km
Emmanuel Church of England Primary School. 59 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
43.0dB