Wych Elm House, Wych Elm Lane, Welwyn, AL6 0BN
About Wych Elm House
Wych Elm House is a five-bedroom detached house in Welwyn (AL6 0BN). It has a recorded floor area of 261 m² (around 2809 sq ft), construction records dating it to 1983-1990 and council tax band H. The latest certificate (March 2016) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 2 certificates since March 2016. Between certificates, hot-water efficiency went from Poor to Average; while roof efficiency dropped from Good to Average and lighting dropped from Very Good to Average. The recommended improvements would push it to C (score 79). Main heating runs on oil. The latest certificate is from March 2016, so improvements made since then won't be reflected.
Most recent transfer was February 2025 at £761,621 — fresh data. 2 planning records sit against the property, 0 approved, 1 refused. Across 1997–2025, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £1,022,000 is 34.2% above the 2025 sale price.
Know exactly what you're buying at Wych Elm House
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
- Bedrooms5
- Bathrooms5
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
Energy performance
Wych Elm House'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This certificate is over 10 years old and is no longer valid.Expired 18 Mar 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency improved
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Planning history
Multiple extension applications run across more than a decade of planning history at Wych Elm House.
- Jan 2021ExtensionFullIn report
Extension: Single storey · Rear of property
ERECTION OF SINGLE STOREY REAR EXTENSION TO ANCILLARY RESIDENTIAL DWELLING
- Reference
- N6/2005/0001/FP
- Sept 2004ExtensionFullIn report
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION
- Reference
- N6/2004/1231/FP
We flagged 1 thing worth checking at Wych Elm House
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
Sale price has at least doubled since 1997.
£1,022,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 28 years.
£761,621
Growth on file: 3.3% per year over 28 years.
Sales timeline
14 February 2025Most recent
£761,621
+17.2%over 23 years20 September 2001
£650,000
+109.7%over 4 years6 July 1997
£310,000
Median price across the last 3 sales in AL6 0BN: £225,000 (2023–1997).
Nearby sales in AL6 0BN
Everything we know about Wych Elm House, 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

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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.8 km
Monread Lodge — bus stop.
Closest school
1.0 km
St Michael's Woolmer Green CofE VA Primary School. 4 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.