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15 Northumberland Road, New Barnet, Barnet, EN5 1EF

2 planning records
Property type
Semi-detached
Bedrooms
6
Bathrooms
2
Floor area
353 m²
3800 sq ft
Energy rating
D
Score 68
Council tax
Band G
Tenure
Owner Occupied
Overview

About 15 Northumberland Road

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

15 Northumberland Road is a six-bedroom semi-detached house in New Barnet, Barnet, Barnet (EN5 1EF). It has a recorded floor area of 353 m² (around 3800 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (July 2024) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump. Period features are noted in the property record.

Across 1998–2025, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £1,641,000 is 15.8% below the 2025 sale of £1,950,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£513/sq ft) was about 44.2% above the typical sold price in the postcode. A recent sale: £1,950,000 in March 2025. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 353 m² it's 25.6% larger than the typical home in the postcode (281 m² median across 5 EPCs). 6 bedrooms is on the larger side for this postcode, where 5 is the typical count.

Before you offer

Know exactly what you're buying at 15 Northumberland Road

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

Already flagged here

Larger development activity nearby
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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

  • Bedrooms6
  • Bathrooms2
  • Dining roomYes

Outside

  • Private gardenRear
  • DrivewayYes

Building

  • Period featuresYes
Energy

Energy performance

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

15 Northumberland Road's carbon output runs well above what efficient homes in the postcode produce.

EPC Rating

A
B
C
D
D68
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
11.0 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 15 Northumberland Road, New Barnet, Barnet, EN5 1EF, sourced from the PlanIt planning register.
  1. Mar 2007
    ExtensionFull
    In report

    Single storey rear extension and two-storey side extension.

    Documents
    4 docs on file
    Reference
    N15320A/07
    View planning record
  2. Dec 2006
    ExtensionFull
    In report

    Single storey rear extension and two-storey side extension.

    Documents
    4 docs on file
    Reference
    N15320/06
    View planning record
Before you offer

We flagged 1 thing worth checking at 15 Northumberland Road

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
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Price

Sales history & valuation

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

15 Northumberland Road has more than quadrupled in price since its earliest registered sale in 1998.

Current estimate

£1,641,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 26 years.

See how we calculated this
Last sold (2025)

£1,950,000

Growth on file: 6.1% per year over 26 years.

Sales timeline

  1. 14 March 2025Most recent

    £1,950,000

    +369.9%over 26 years
  2. 11 November 1998

    £415,000

Median price across the last 5 sales in EN5 1EF: £1,500,000 (2025–2016).

Before you offer

Everything we know about 15 Northumberland Road, 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
£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other Northumberland Road homes

Four headline reads against 5 similar houses on this street, drawn from the latest EPC and Land Registry data.

Floor Area for 15 Northumberland Road runs comfortably ahead of the street norm.

Price per m²

£5,524

Street avg £5,152

Above

Floor Area

353 m²

Street avg 257 m²

Strongly above

Habitable Rooms

10 rooms

Street avg 9 rooms

Above

CO₂ Emissions

11.0 t/year

Street avg 9.3 t/year

On par
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Barnet district page.

Rail-style transport is unusually close for this postcode.

Crime

3/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

Walfield Avenue — bus stop.

Closest school

1.1 km

Ark Pioneer Academy. 35 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 EN5 1EF from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for EN5 1EF

Daytime· 07:00 – 23:00

50.8dB

Low
Night-time road noise heatmap for EN5 1EF

Night-time· 23:00 – 07:00

41.7dB

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 15 Northumberland Road, New Barnet, Barnet, EN5 1EF. Each answer is also embedded as structured data for search engines.