3 Northumberland Road, New Barnet, Barnet, EN5 1EF
About 3 Northumberland Road
3 Northumberland Road is a six-bedroom detached house in New Barnet, Barnet, Barnet (EN5 1EF). It has a recorded floor area of 281 m² (around 3025 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (July 2022) shows a D (score 55), a step below the typical UK home. When first surveyed in October 2020 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to C (score 74). Other recorded features include a conservatory and a self-contained annexe.
3 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £1,839,000 is 19% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£511/sq ft) was about 58.1% above the typical sold price in the postcode. Sold February 2021 for £1,545,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 6 bedrooms is on the larger side for this postcode, where 5 is the typical count.
Know exactly what you're buying at 3 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
- CloakroomYes
- ConservatoryYes
- FireplaceYes
Energy performance
3 Northumberland Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Planning history
3 Northumberland Road has 2 separate extension applications on the council record.
- May 2021ExtensionOutlineIn report
Extension: Single storey · Rear of property
Single story rear extensions. Enlargement of the existing rear dormer and removal of the chimney stack
- Agent
- PMSS Ltd
- Documents
- 5 docs on file
- Reference
- 21/0777/192
- Mar 2021ExtensionOutlineIn report
Extension: Single storey · Rear of property
Single storey rear extension measures 6.30 metres in depth from the original rear wall with an eaves height of 3.06m and a maximum height of 3.06m
- Agent
- PMSS Ltd
- Documents
- 7 docs on file
- Reference
- 21/0769/PNH
We flagged 1 thing worth checking at 3 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,839,000
Modelled from EPC, postcode comparables.
£1,545,000
Recorded with HM Land Registry.
Sales timeline
25 February 2021Most recent
£1,545,000
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
£2,085,00015 Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Mar 2025
£1,950,0005a, Northumberland Road, New Barnet, Barnet, EN5 1EF
Sold Mar 2021
£1,205,0005 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 3 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, 3 Northumberland Road runs well behind the street norm.
Price per m²
£5,498
Street avg £5,157
Floor Area
281 m²
Street avg 272 m²
Habitable Rooms
9 rooms
Street avg 9 rooms
CO₂ Emissions
13.6 t/year
Street avg 8.8 t/year
Similar properties nearby
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1 Dalmeny Road, New Barnet
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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