First Floor Flat, 71 Pemberton Road, London, N4 1AX
About First Floor Flat
First Floor Flat is a mid-terrace house in London (N4 1AX). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to before 1900. The latest certificate (February 2019) shows a C (score 73). The rating has held steady at C across 3 certificates since August 2013. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Average to Good and window efficiency went from Very Poor to Good.
One planning record on file: an extension approved in 2017. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Across 2019–2023, sale prices on this property compounded at 2.1% per year. On a £-per-square-foot basis, the last sale (£1,026/sq ft) was about 262.6% above the typical sold price in the postcode. Most recent transfer: April 2023 at £607,500.
Know exactly what you're buying at First Floor Flat
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
Heating controls changed
Single glazing replaced with double or better glazing
Wall insulation improved
Heating controls upgraded for better temperature management
Roof insulation improved
Planning history
- Mar 2017Loft ConversionFullIn report
Formation of a rear dormer and roof lights to front roof slope. New first floor rear window.
Extension- Documents
- 14 docs on file
- Reference
- HGY/2017/0545
We flagged 2 things worth checking at First Floor Flat
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
First Floor Flat valuation sits well clear of the typical sold price in this postcode.
£616,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 4 years.
£607,500
Growth on file: 2.1% per year over 4 years.
Sales timeline
27 April 2023Most recent
£607,500
+8.5%over 3 years2 May 2019
£560,000
Median price across the last 5 sales in N4 1AX: £655,000 (2025–2023).
Nearby sales in N4 1AX
Ground Floor Flat, 71 Pemberton Road, London, N4 1AX
Sold Oct 2025
£650,00067a, Pemberton Road, London, N4 1AX
Sold Sept 2025
£780,000Flat C, 37 Pemberton Road, Haringey, London, N4 1AX
Sold Oct 2023
£655,00039 Pemberton Road, Haringey, London, N4 1AX
Sold Aug 2023
£685,000Flat A, 37 Pemberton Road, Haringey, London, N4 1AX
Sold Jun 2023
£615,000
Everything we know about First Floor Flat, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Pemberton Road homes
First Floor Flat outperforms the street on price per m² by a wide margin.
Price per m²
£11,045
Street avg £5,271
Floor Area
55 m²
Street avg 66 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.4 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Mattison Road — bus stop.
Closest school
0.1 km
South Harringay Infant School. 79 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
51.4dB

Night-time· 23:00 – 07:00
42.6dB