49 Harmer Green Lane, Welwyn, AL6 0AP
About 49 Harmer Green Lane
49 Harmer Green Lane is a detached house in Welwyn (AL6 0AP). It has a recorded floor area of 169 m² (around 1819 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (August 2014) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 79), a 2-band jump. The latest certificate is from August 2014, so improvements made since then won't be reflected.
At 169 m² it sits well below the postcode median (557 m² across 6 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). 2 planning records sit against the property, 0 approved, 1 refused.
Know exactly what you're buying at 49 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
49 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This certificate is over 10 years old and is no longer valid.Expired 18 Aug 2024
EPC Rating
Planning history
- Jan 2012ExtensionFullIn report
Extension: Two storey · Side of property
Erection of two storey side extension and formation of triple garage linked to dwelling
- Documents
- 7 docs on file
- Reference
- N6/2011/2383/FP
- Nov 2010Tree WorksTreesIn report
REMOVAL OF DISEASED AND DEAD ASH TREE COVERED BY TPO 276 G1
- Reference
- N6/2009/2215/TP
We flagged 1 thing worth checking at 49 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
49 Harmer Green Lane has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£935,000
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 5 sales in AL6 0AP: £2,080,000 (2023–2006).
Nearby sales in AL6 0AP
Everything we know about 49 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
EPC Rating for 49 Harmer Green Lane lags the street by a wide margin.
EPC Rating
53 (E)
Street avg 75 (C)
Floor Area
169 m²
Street avg 486 m²
CO₂ Emissions
7.6 t/year
Street avg 8.3 t/year
Habitable Rooms
7 rooms
Street avg 10 rooms
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.