12 Harmer Green Lane, Welwyn, AL6 0AX
About 12 Harmer Green Lane
12 Harmer Green Lane is a four-bedroom detached house in Welwyn (AL6 0AX). It has a recorded floor area of 85 m² (around 912 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (April 2011) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 70). The latest certificate is from April 2011, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
Today's modelled estimate of £773,000 sits 61% above the 2011 sale of £480,000. 15 years since the last transfer (November 2011). At 85 m² it's 20.1% smaller than the typical home in the postcode (106 m² median across 5 EPCs).
Know exactly what you're buying at 12 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
What this property has
Inside
- Bedrooms4
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageIntegral
Building
- Extension potentialPossible
Energy performance
12 Harmer Green Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Apr 2021
EPC Rating
Planning history
12 Harmer Green Lane has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 12 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
30-day money-back guarantee
Sales history & valuation
12 Harmer Green Lane valuation sits well clear of the typical sold price in this postcode.
£773,000
Modelled from EPC, postcode comparables.
£480,000
Recorded with HM Land Registry.
Sales timeline
25 November 2011Most recent
£480,000
Median price across the last 5 sales in AL6 0AX: £490,000 (2024–2009).
Everything we know about 12 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
Versus other Harmer Green Lane homes
12 Harmer Green Lane outperforms the street on years held by a wide margin.
Price per m²
£5,666
Street avg £6,262
Floor Area
85 m²
Street avg 101 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
7.2 t/year
Street avg 5.5 t/year
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
0.0 km
Welwyn North Railway Station — bus stop.
Closest school
0.5 km
St John's CofE Primary School. 15 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.