Tewin Lodge, Tewin Water, Welwyn, AL6 0AB
About Tewin Lodge
Tewin Lodge is a detached house in Welwyn (AL6 0AB). It has a recorded floor area of 224 m² (around 2411 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (April 2016) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 80). Main heating runs on oil. The latest certificate is from April 2016, so improvements made since then won't be reflected.
At 224 m² it's 20.3% smaller than the typical home in the postcode (281 m² median across 5 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). One planning record on file: an extension refused in 2009.
Know exactly what you're buying at Tewin Lodge
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
Tewin Lodge'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This certificate is over 10 years old and is no longer valid.Expired 05 Apr 2026
EPC Rating
Planning history
- Dec 2009ExtensionFullIn report
Extension: Single storey · Front of property
Single storey front extension
- Documents
- 6 docs on file
- Reference
- 3/09/1606/FP
We flagged 1 thing worth checking at Tewin Lodge
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
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Sales history & valuation
Tewin Lodge has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,359,000
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 0AB: £1,070,000 (2024–1996).
Everything we know about Tewin Lodge, 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 Tewin Water homes
EPC Rating for Tewin Lodge lags the street by a wide margin.
EPC Rating
55 (D)
Street avg 68 (D)
Floor Area
224 m²
Street avg 265 m²
CO₂ Emissions
9.3 t/year
Street avg 7.8 t/year
Habitable Rooms
10 rooms
Street avg 9 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Robin Mead — bus stop.
Closest school
0.5 km
Waterside Academy. 16 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.