6 Duncan Close, Barnet, EN5 5JJ
About 6 Duncan Close
6 Duncan Close is an end-of-terrace house in Barnet (EN5 5JJ). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (February 2026) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2015. Between certificates, hot-water efficiency went from Average to Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 73). This certificate was lodged in the last six months, so the rating reflects current condition. At 66 m² this is the 6th smallest of 14 units on EPC record in the building, where floor areas span 47–111 m². The building's EPC ratings span E to C across 14 units on file.
6 planning records sit against the property, 4 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved. Across 1997–2016, sale prices on this property compounded at 9.6% per year. On a £-per-square-foot basis, the last sale (£450/sq ft) was about 157.9% above the typical sold price in the postcode. 10 years since the last transfer (March 2016).
Know exactly what you're buying at 6 Duncan Close
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
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
Planning history
Planning history at 6 Duncan Close is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
- Apr 2010Tree WorksTreesIn report
1 x Ash (T13 Applicants Plan) - Reduce by 15-20%.
- Documents
- 3 docs on file
- Reference
- TPO/00189/10/B
- Mar 2010Tree WorksTreesIn report
7 x Ash - Remove deadwood as specified - Group G3 and standing in group G4 of Tree Preservation Order
- Documents
- 2 docs on file
- Reference
- TPO/00094/10/B
We flagged 2 things worth checking at 6 Duncan Close
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.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Price for 6 Duncan Close has grown more than fourfold since the 1997 starting point.
£328,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.6% per year over 19 years.
£320,000
Growth on file: 9.6% per year over 19 years.
Sales timeline
24 March 2016Most recent
£320,000
+335.4%over 16 years20 April 1999
£73,500
+28.9%over 1 year29 May 1997
£57,000
Median price across the last 5 sales in EN5 5JJ: £325,000 (2025–2015).
Everything we know about 6 Duncan Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Duncan Close homes
6 Duncan Close outperforms the street on habitable rooms by a wide margin.
Price per m²
£4,848
Street avg £3,263
Floor Area
66 m²
Street avg 60 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
2.5 t/year
Street avg 3.0 t/year
Similar properties nearby
1 Artesian Grove
EN5 5HU
1 Crabtree Court, Hexham Road
EN5 5JN
1 Hadley Heights, Hadley Road
EN5 5QH
1 Farrington Cottages, Moon Lane
EN5 5YL
1 Catherines Court, Bosworth Road
EN5 5LR
1 Bulwer Gardens
EN5 5JF
1 Dale View, Park Road, High Barnet
EN5 5SF
1 Georgian Court, Plantagenet Road
EN5 5JW
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
0.1 km
New Barnet Station / Station Road — bus stop.
Closest school
0.4 km
Cromer Road Primary School. 32 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
51.8dB

Night-time· 23:00 – 07:00
40.9dB