15 Northumberland Road, New Barnet, Barnet, EN5 1EF
About 15 Northumberland Road
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.
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
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms6
- Bathrooms2
- Dining roomYes
Outside
- Private gardenRear
- DrivewayYes
Building
- Period featuresYes
Energy performance
15 Northumberland Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
- Mar 2007ExtensionFullIn report
Single storey rear extension and two-storey side extension.
- Documents
- 4 docs on file
- Reference
- N15320A/07
- Dec 2006ExtensionFullIn report
Single storey rear extension and two-storey side extension.
- Documents
- 4 docs on file
- Reference
- N15320/06
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
30-day money-back guarantee
Sales history & valuation
15 Northumberland Road has more than quadrupled in price since its earliest registered sale in 1998.
£1,641,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 26 years.
£1,950,000
Growth on file: 6.1% per year over 26 years.
Sales timeline
14 March 2025Most recent
£1,950,000
+369.9%over 26 years11 November 1998
£415,000
Median price across the last 5 sales in EN5 1EF: £1,500,000 (2025–2016).
Nearby sales in EN5 1EF
9 Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Mar 2025
£2,085,0005a, Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Mar 2021
£1,205,0003 Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Feb 2021
£1,545,0005 Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Nov 2016
£950,00019 Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Jan 2008
£965,000
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

Versus other Northumberland Road homes
Floor Area for 15 Northumberland Road runs comfortably ahead of the street norm.
Price per m²
£5,524
Street avg £5,152
Floor Area
353 m²
Street avg 257 m²
Habitable Rooms
10 rooms
Street avg 9 rooms
CO₂ Emissions
11.0 t/year
Street avg 9.3 t/year
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The neighbourhood at a glance
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.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.8dB

Night-time· 23:00 – 07:00
41.7dB