5 Northumberland Road, New Barnet, Barnet, EN5 1EF
About 5 Northumberland Road
5 Northumberland Road is a five-bedroom detached house in New Barnet, Barnet, Barnet (EN5 1EF). It has a recorded floor area of 227 m² (around 2443 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (November 2017) shows a C (score 79), near the top of the C band. When first surveyed in June 2016 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would push it to B (score 84).
One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. At 227 m² it's 19.8% smaller than the typical home in the postcode (283 m² median across 5 EPCs). Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Today's modelled estimate of £1,277,000 is 34.4% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£389/sq ft) was about 20.4% above the typical sold price in the postcode. Last changed hands 10 years ago, in November 2016.
Know exactly what you're buying at 5 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
- Bedrooms5
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Window efficiency improved
Wall insulation improved
Floor insulation added or improved
More low energy lighting installed
Planning history
- Dec 2016ExtensionFullIn report
Extension: Single storey · Rear of property
First floor rear extension. Reduction of garage and conversion into habitable room, insertion of window to replace garage door. New front door. Erection of outbuilding to rear
- Agent
- Andreas + Buxton Associates
- Documents
- 11 docs on file
- Reference
- 16/7384/HSE
We flagged 1 thing worth checking at 5 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
5 Northumberland Road valuation sits well clear of the typical sold price in this postcode.
£1,277,000
Modelled from EPC, postcode comparables.
£950,000
Recorded with HM Land Registry.
Sales timeline
18 November 2016Most recent
£950,000
Median price across the last 5 sales in EN5 1EF: £1,545,000 (2025–2019).
Nearby sales in EN5 1EF
9 Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Mar 2025
£2,085,00015 Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Mar 2025
£1,950,0005a, Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Mar 2021
£1,205,0003 Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Feb 2021
£1,545,00019 Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Jan 2008
£965,000
Everything we know about 5 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
On epc rating, 5 Northumberland Road stands well clear of the street.
Price per m²
£4,185
Street avg £5,420
Floor Area
227 m²
Street avg 283 m²
Habitable Rooms
7 rooms
Street avg 10 rooms
CO₂ Emissions
4.7 t/year
Street avg 10.6 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