26b, Northumberland Road, New Barnet, Barnet, EN5 1ED
About 26b
26b is a five-bedroom detached house in New Barnet, Barnet, Barnet (EN5 1ED). It has a recorded floor area of 432 m² (around 4650 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (December 2020) shows a C (score 73). The rating has held steady at C across 2 certificates since August 2012. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Good to Very Poor.
At 432 m² the property is well over the postcode median (169 m² across 24 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). 11 planning records sit against the property, 6 approved, 3 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Across 2004–2023, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£522/sq ft) was about 57.9% above the typical sold price in the postcode. Last sale on file: £2,425,000 in July 2023.
Know exactly what you're buying at 26b
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
- Bathrooms4
- Dining roomYes
Outside
- Private gardenSouth-facing
- GarageYes
Energy performance
26b's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Planning history
26b has been extended on multiple sides of the property across separate planning applications.
- May 2016ExtensionFullIn report
Extension: Single storey · Side of property
First floor side extension
- Documents
- 7 docs on file
- Reference
- 16/1728/HSE
- Nov 2015ExtensionFullIn report
Extension: Single storey · Side of property
First floor side extension
- Documents
- 9 docs on file
- Reference
- 15/06084/HSE
We flagged 1 thing worth checking at 26b
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
Latest sale on 26b was the highest on Land Registry record across the postcode.
£2,618,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 19 years.
£2,425,000
Growth on file: 7.0% per year over 19 years.
Sales timeline
30 July 2023Most recent
£2,425,000
+274.8%over 19 years27 February 2004
£647,000
Median price across the last 5 sales in EN5 1ED: £955,000 (2024–2014).
Nearby sales in EN5 1ED
44 Northumberland Road, New Barnet, Barnet, EN5 1ED
Sold Apr 2024
£1,825,00034 Northumberland Road, New Barnet, Barnet, EN5 1ED
Sold Oct 2015
£955,00024 Northumberland Road, New Barnet, Barnet, EN5 1ED
Sold Aug 2015
£1,150,000Flat 1, 4 Northumberland Road, New Barnet, Barnet, EN5 1ED
Sold Dec 2014
£476,00030 Northumberland Road, New Barnet, Barnet, EN5 1ED
Sold Sept 2014
£825,000
Everything we know about 26b, 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
26b outperforms the street on floor area by a wide margin.
Price per m²
£5,613
Street avg £3,401
Floor Area
432 m²
Street avg 217 m²
Habitable Rooms
13 rooms
Street avg 8 rooms
CO₂ Emissions
12.0 t/year
Street avg 9.7 t/year
Similar properties nearby
1 Hasluck Gardens, New Barnet
EN5 1HS
1 Dinsdale Gardens, New Barnet
EN5 1HE
1 Holyrood Road, New Barnet
EN5 1DQ
1 Landsdown Close, New Barnet
EN5 1NU
1 Dalmeny Road, New Barnet
EN5 1DE
1 County Gate, New Barnet
EN5 1EH
1 Great North Road, New Barnet
EN5 1EG
1 Eversleigh Road
EN5 1NE
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
St Mary's CofE Primary School, East Barnet. 37 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
41.9dB