9a, Cholmeley Park, Haringey, London, N6 5ET
About 9a
9a is a semi-detached house in Haringey, London, London (N6 5ET). It has a recorded floor area of 143 m² (around 1539 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (March 2025) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 3 certificates since June 2010. Between certificates, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good; while wall efficiency dropped from Average to Very Poor and roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 77).
One planning record on file: a loft conversion approved in 2012. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 143 m² it's 21% smaller than the typical home in the postcode (181 m² median across 11 EPCs). Across 2011–2021, sale prices on this property compounded at 9.5% per year. Today's modelled estimate of £1,161,000 is 12.7% above the 2021 sale price. Most recent transfer: February 2021 at £1,030,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
9a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Low energy lighting percentage decreased
More low energy lighting installed
Planning history
- Feb 2012Loft ConversionFullIn report
Erection of rear dormer with insertion of 3 x rooflights to front elevation.
- Documents
- 7 docs on file
- Reference
- HGY/2011/2319
We flagged 1 thing worth checking at 9a
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
Sale price has at least doubled since 2011.
£1,161,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.5% per year over 9 years.
£1,030,000
Growth on file: 9.5% per year over 9 years.
Sales timeline
16 February 2021Most recent
£1,030,000
+24.1%over 7 years19 September 2013
£830,000
+86.5%over 1 year4 November 2011
£445,000
Median price across the last 5 sales in N6 5ET: £942,000 (2024–2018).
Nearby sales in N6 5ET
9 Cholmeley Park, Haringey, London, N6 5ET
Sold Jun 2024
£942,0007a, Cholmeley Park, Haringey, London, N6 5ET
Sold Sept 2021
£1,065,0007 Cholmeley Park, Haringey, London, N6 5ET
Sold Oct 2020
£750,00015a, Cholmeley Park, Haringey, London, N6 5ET
Sold Apr 2018
£1,830,0003 Cholmeley Park, Haringey, London, N6 5ET
Sold Nov 2016
£2,650,000
Versus other Cholmeley Park homes
9a is notably below the street on price per m².
Price per m²
£7,203
Street avg £9,536
Floor Area
143 m²
Street avg 92 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
6.6 t/year
Street avg 3.8 t/year
Similar properties nearby
1 Castle Yard, Haringey
N6 5DZ
1 Oldfield Mews, Haringey
N6 5XA
1 Bridgepoint Place, Hornsey Lane, Haringey
N6 5LJ
1 Hillside Gardens, Haringey
N6 5SU
1 Claremont Road, Haringey
N6 5DA
1 Northwood Road, Haringey
N6 5TL
1 Netherleigh Close, Hornsey Lane, Islington
N6 5LL
1 Hill Gate Walk, Haringey
N6 5RU
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
7/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Northwood Road — bus stop.
Closest school
0.6 km
St Aloysius' College. 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
54.1dB

Night-time· 23:00 – 07:00
44.8dB







