25 Cornwall Avenue, Haringey, London, N22 7DA
About 25 Cornwall Avenue
25 Cornwall Avenue is a four-bedroom mid-terrace house in Haringey, London, London (N22 7DA). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (July 2015) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 85), a 3-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected. Other recorded features include outbuildings and a basement. Period features are noted in the property record. The home occupies a cul-de-sac position.
5 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Across 1997–2024, sale prices on this property compounded at 8.9% per year. On a £-per-square-foot basis, the last sale (£997/sq ft) was about 161.3% above the typical sold price in the postcode. Sold November 2024 for £1,062,500.
Know exactly what you're buying at 25 Cornwall Avenue
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
What this property has
Inside
- Bedrooms4
- Bathrooms2
- EnsuiteYes
- BasementYes
Outside
- Private gardenYes
- OutbuildingsYes
- Cul-de-sacYes
Building
- Period featuresYes
- RefurbishedYes
Energy performance
25 Cornwall Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 Jul 2025
EPC Rating
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Oct 2025ExtensionAmendmentIn report
Extension: Single storey · Rear of property
Non-Material Amendment to the application HGY/2025/0964 for 'erection of a single-storey ground floor rear extension and replacement of an existing garden room' as approved on 22/05/2025 for the increase of depth of the approved rear extension by 0.5 metres and retention of the pre-existing outrigger.
- Documents
- 14 docs on file
- Reference
- HGY/2025/2116
- May 2025ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of a single-storey ground floor rear extension and replacement of an existing garden room.
- Documents
- 14 docs on file
- Reference
- HGY/2025/0964
We flagged 1 thing worth checking at 25 Cornwall Avenue
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
Latest sale on 25 Cornwall Avenue was the highest on Land Registry record across the postcode.
£1,070,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 28 years.
£1,062,500
Growth on file: 8.9% per year over 28 years.
Sales timeline
11 November 2024Most recent
£1,062,500
+40.3%over 4 years24 February 2020
£757,500
+665.2%over 23 years10 January 1997
£99,000
Median price across the last 5 sales in N22 7DA: £980,000 (2025–2023).
Nearby sales in N22 7DA
27 Cornwall Avenue, Haringey, London, N22 7DA
Sold Apr 2025
£845,00023 Cornwall Avenue, Haringey, London, N22 7DA
Sold Mar 2025
£1,050,00030 Cornwall Avenue, Haringey, London, N22 7DA
Sold Dec 2024
£1,051,0003 Cornwall Avenue, Haringey, London, N22 7DA
Sold Sept 2024
£980,0005 Cornwall Avenue, Haringey, London, N22 7DA
Sold Dec 2023
£755,000
Everything we know about 25 Cornwall Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other Cornwall Avenue homes
Price per m² for 25 Cornwall Avenue runs comfortably ahead of the street norm.
Price per m²
£10,732
Street avg £5,899
Floor Area
99 m²
Street avg 114 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
6.9 t/year
Street avg 4.7 t/year
Similar properties nearby
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1 Cornwall Avenue, Haringey
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Park Avenue Wood Green — bus stop.
Closest school
0.3 km
Heartlands High School. 63 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
55.0dB
Night-time· 23:00 – 07:00
44.6dB