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Get startedFirst Floor Flat, 12 Marsden Street, London, NW5 3HD
3 sales on record
About First Floor Flat
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
First Floor Flat is a mid-terrace house in London (NW5 3HD). It has a recorded floor area of 37 m² (around 398 sq ft) and construction records dating it to 1900-1929. The latest certificate (April 2016) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. The latest certificate is from April 2016, so improvements made since then won't be reflected.
Held since August 2005 — that's 21 years off the open market, well above the local norm. Sale prices here have outpaced London HPI: 13.1% per year against 0% for the wider region. Today's modelled estimate of £350,000 sits 105.9% above the 2005 sale of £170,000. At 37 m² it sits well below the postcode median (100 m² across 8 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
First Floor Flat sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 23 Apr 2026
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
First Floor Flat has more than tripled in price since its earliest registered sale in 1995.
Current estimate
See how we calculated this£350,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.1% per year over 10 years.
Last sold (2005)
£170,000
Growth on file: 13.1% per year over 10 years.
Sales timeline
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The complete analysis of First Floor Flat, 12 Marsden Street, London, NW5 3HD
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Marsden Street homes
Four headline reads against 4 similar flats on this street, drawn from the latest EPC and Land Registry data.
Price per m² for First Floor Flat lags the street by a wide margin.
Price per m²
£4,595
Street avg £7,087
Floor Area
37 m²
Street avg 70 m²
Habitable Rooms
1 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
Rail-style transport is unusually close for this postcode.
Crime
11/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Malden Road — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around NW5 3HD from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
54.3dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 96 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about First Floor Flat, 12 Marsden Street, London, NW5 3HD. Each answer is also embedded as structured data for search engines.