4 Harmer Green Lane, Welwyn, AL6 0AD
About 4 Harmer Green Lane
4 Harmer Green Lane is a detached house in Welwyn (AL6 0AD). It has a recorded floor area of 140 m² (around 1507 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (November 2023) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 80).
4 planning records sit against the property, 3 approved, 1 refused.
Know exactly what you're buying at 4 Harmer Green Lane
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
4 Harmer Green Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
A recent planning application at 4 Harmer Green Lane was refused — worth checking the council file.
- Jul 2025
- Oct 2009ConditionsIn report
DISCHARGE OF CONDITION 8 (BOUNDARY TREATMENT) FROM PLANNING PERMISSION N6/2008/1342/FP
- Reference
- N6/2009/2101/DS
We flagged 2 things worth checking at 4 Harmer Green Lane
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
- A planning decision worth checking
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Sales history & valuation
4 Harmer Green Lane has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£848,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 4 sales in AL6 0AD: £436,500 (2022–1998).
Everything we know about 4 Harmer Green Lane, 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
- A planning decision worth checking
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Welwyn North Railway Station — bus stop.
Closest school
0.2 km
St John's CofE Primary School. 17 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.