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21 Cornwood Close, Barnet, London, N2 0HP

3 sales on record3 planning records
Property type
Semi-detached
Bedrooms
3
Bathrooms
2
Floor area
110 m²
1184 sq ft
Energy rating
D
Score 64
Council tax
Band G
Tenure
Owner Occupied
Overview

About 21 Cornwood Close

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

21 Cornwood Close is a three-bedroom semi-detached house in Barnet, London, London (N2 0HP). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (February 2023) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in February 2015 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Good, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 86), a 2-band jump.

3 planning records sit against the property, 1 approved, 0 refused, 1 pending. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. An active application for tree works is awaiting a decision. Across 2015–2023, sale prices on this property compounded at 3.2% per year. On a £-per-square-foot basis, the last sale (£1,045/sq ft) was about 90.8% above the typical sold price in the postcode. Last sale on file: £1,237,500 in July 2023.

Before you offer

Know exactly what you're buying at 21 Cornwood Close

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

Already flagged here

Signs of HMO activity in the areaLarger development activity nearby
£14.99
Trusted by UK homebuyers

Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms3
  • Bathrooms2
  • Dining roomYes
  • CloakroomYes
  • EnsuiteYes

Outside

  • Private gardenRear
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

Recommended upgrades on file would lift this property by multiple EPC bands.

Current Certificate(1 of 2)
Feb 2023

EPC Rating

A
B
C
D
D64
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
4.6 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Feb 2023from Feb 2015
EPC improved fromE47toD64
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water
Main (No Stat)Main System

Hot water system upgraded

Roof Insulation
PartialInsulated

Roof insulation improved

Low Energy Lighting
44%84%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 21 Cornwood Close, Barnet, London, N2 0HP, sourced from the PlanIt planning register.
  1. Jan 2025
    Loft ConversionFull
    In report

    Roof extension involving side dormer and rear rooflight

    Agent
    Hark Architecture
    Extension
    Documents
    8 docs on file
    Reference
    24/4964/HSE
    View planning record
  2. Aug 2024
    Tree WorksTrees
    In report

    2 x Leylandii - Cut the entire trees to ground level Please see attached Hampstead Garden Suburb Trust report

    Agent
    Custom Cutters Tree Specialists Ltd
    Documents
    4 docs on file
    Reference
    TCP/0434/24
    View planning record
Before you offer

We flagged 2 things worth checking at 21 Cornwood Close

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
£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

21 Cornwood Close saw 3 transfers in just over a decade — high turnover for the postcode.

Current estimate

£1,215,000

Modelled from EPC, postcode comparables and a sale-price growth of 3.2% per year over 8 years.

See how we calculated this
Last sold (2023)

£1,237,500

Growth on file: 3.2% per year over 8 years.

Sales timeline

  1. 2 July 2023Most recent

    £1,237,500

    +12.5%over 2 years
  2. 20 August 2020

    £1,100,000

    +13.4%over 4 years
  3. 31 August 2015

    £970,000

Median price across the last 5 sales in N2 0HP: £1,200,000 (2024–2021).

Before you offer

Everything we know about 21 Cornwood Close, 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
£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other Cornwood Close homes

Four headline reads against 13 similar houses on this street, drawn from the latest EPC and Land Registry data.

On co₂ emissions, 21 Cornwood Close stands well clear of the street.

Price per m²

£11,250

Street avg £8,718

Strongly above

Floor Area

110 m²

Street avg 130 m²

Below

Habitable Rooms

5 rooms

Street avg 6 rooms

Below

CO₂ Emissions

4.6 t/year

Street avg 6.8 t/year

Strongly above
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

5/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Monarch Court — bus stop.

Closest school

0.7 km

The Archer Academy. 47 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around N2 0HP from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for N2 0HP

Daytime· 07:00 – 23:00

52.7dB

Low
Night-time road noise heatmap for N2 0HP

Night-time· 23:00 – 07:00

42.3dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Cornwood Close, Barnet, London, N2 0HP. Each answer is also embedded as structured data for search engines.