Flat 1, 17 Denning Road, London, NW3 1ST
About Flat 1
Flat 1 is a mid-terrace house in London (NW3 1ST). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (March 2022) shows a C (score 76), near the top of the C band. When first surveyed in July 2011 the rating was F, the property has climbed 3 bands since. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Very Poor to Very Good and main heating went from Very Poor to Good; while window efficiency dropped from Average to Poor.
At 148 m² the property is well over the postcode median (61 m² across 59 EPCs), placing it in the larger end of the local stock.
Know exactly what you're buying at Flat 1
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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
Hot water system upgraded
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Glazing upgraded to newer, more efficient type
More low energy lighting installed
Planning history
Flat 1 has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
Flat 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,879,000
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 1ST: £1,050,000 (2025–2022).
Nearby sales in NW3 1ST
13 Denning Road, Camden, London, NW3 1ST
Sold Jun 2025
£8,500Flat 2, 27 Denning Road, London, NW3 1ST
Sold Jun 2025
£610,000Flat 3, 43 Denning Road, London, NW3 1ST
Sold Jul 2024
£1,400,000Second Floor Flat, 21 Denning Road, London, NW3 1ST
Sold Apr 2023
£1,350,00027a, Denning Road, Camden, London, NW3 1ST
Sold Dec 2022
£1,050,000
Everything we know about Flat 1, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?
Versus other Denning Road homes
Flat 1 outperforms the street on epc rating by a wide margin.
EPC Rating
76 (C)
Street avg 65 (D)
Floor Area
148 m²
Street avg 71 m²
CO₂ Emissions
3.6 t/year
Street avg 3.2 t/year
Habitable Rooms
5 rooms
Street avg 3 rooms
Similar properties nearby
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25 26, Flat 1, Hampstead High Street
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25 26, Flat 3, Hampstead High Street
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24d, Garden Flat, East Heath Road, Camden
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25 26, Flat 4, Hampstead High Street
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102, Flat 1, Heath Street
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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
0.2 km
Pilgrim's Lane — bus stop.
Closest school
0.4 km
New End Primary School. 54 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
51.9dB
Night-time· 23:00 – 07:00
41.8dB