Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get startedFirst Floor Flat is a mid-terrace house in London (N8 9JY). It has a recorded floor area of 88 m² (around 947 sq ft) and construction records dating it to before 1900. The latest certificate (August 2021) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2011); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78).
Sale prices here have outpaced London HPI: 4.9% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£808/sq ft) was about 140.4% above the typical sold price in the postcode. Most recent transfer: February 2021 at £765,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£820,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 10 years.
£765,000
Growth on file: 4.9% per year over 10 years.
First Floor Flat is notably below the street on years held.
Price per m²
£8,693
Street avg £7,312
Floor Area
88 m²
Street avg 77 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Mayfield Road — bus stop.

Daytime· 07:00 – 23:00
50.6dB

Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
19 February 2021Most recent
£765,000
+62.9%over 10 years17 December 2010
£469,750
Median price across the last 5 sales in N8 9JY: £725,000 (2025–2022).
CO₂ Emissions
3.4 t/year
Street avg 3.3 t/year
N8 9HS
Closest school
0.1 km
Weston Park Primary School. 77 schools nearby.
Night-time· 23:00 – 07:00
40.9dB
Find out what your property is worth with a free valuation from a top-rated local estate agent.
Free valuation
An expert visits your home
Local expertise
An agent who knows your area
No obligation
You decide if and when to sell