47 Harmer Green Lane, Welwyn, AL6 0AP
About 47 Harmer Green Lane
47 Harmer Green Lane is a seven-bedroom detached house in Welwyn (AL6 0AP). It has a recorded floor area of 635 m² (around 6835 sq ft), construction records dating it to 2007 onwards and council tax band H. The latest certificate (October 2020) shows a C (score 80), near the top of the C band. The rating has held steady at C across 3 certificates since August 2009. Between certificates, lighting went from Very Poor to Good. The recommended improvements would push it to B (score 83).
At 635 m² the property is well over the postcode median (423 m² across 6 EPCs), placing it in the larger end of the local stock. 7 bedrooms is on the larger side for this postcode, where 5 is the typical count. 5 planning records sit against the property, 5 approved, 0 refused. Past consents include tree works and partial demolition, meaningful when judging how the property has evolved. Across 2005–2023, sale prices on this property compounded at 8.4% per year. On a £-per-square-foot basis, the last sale (£541/sq ft) was about 74.2% above the typical sold price in the postcode. Sold October 2023 for £3,700,000.
Know exactly what you're buying at 47 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
- Bedrooms7
- Bathrooms6
Energy performance
47 Harmer Green Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Heating controls upgraded for better temperature management
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Feb 2024Tree WorksTreesIn report
T1 Ash tree - Fell due to being dead and dangerous, fear of falling into the driveway TPO 658 (2017) G1
- Reference
- 6/2024/0235/TPO
- Feb 2024Tree WorksTreesIn report
T1 - Pine - Fell due to being dead and dangerous, fear of falling into the driveway. T2 - Ash - Fell due to being dead and dangerous, fear of falling into the driveway. T3 - Pine - Fell due to being dead and dangerous, fear of falling into the property and is by the entrance of the rear garden where children play.
- Reference
- 6/2024/0176/TPO
We flagged 1 thing worth checking at 47 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
Latest sale on 47 Harmer Green Lane was the highest on Land Registry record across the postcode.
£3,701,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.4% per year over 18 years.
£3,700,000
Growth on file: 8.4% per year over 18 years.
Sales timeline
26 October 2023Most recent
£3,700,000
+343.1%over 18 years2 June 2005
£835,000
Median price across the last 5 sales in AL6 0AP: £1,500,000 (2023–2005).
Nearby sales in AL6 0AP
Everything we know about 47 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
On price per m², 47 Harmer Green Lane stands well clear of the street.
Price per m²
£5,827
Street avg £3,557
Floor Area
635 m²
Street avg 408 m²
Habitable Rooms
13 rooms
Street avg 8 rooms
CO₂ Emissions
12.0 t/year
Street avg 7.6 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
0.3 km
New Road — bus stop.
Closest school
1.2 km
St John's CofE Primary School. 12 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.