Tewin Water House, Apartment 2, Tewin Water, Welwyn, AL6 0AA
About Tewin Water House
Tewin Water House is a property in Welwyn (AL6 0AA). It has council tax band G.
One planning record on file: new windows approved in 2024. Past consents include new windows, meaningful when judging how the property has evolved. Across 2001–2021, sale prices on this property compounded at 4% per year. Sold September 2021 for £1,230,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Tewin Water 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
Energy performance
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
- Mar 2024RenovationHeritageIn report
Replacement of internal door and window shutters
New Windows- Documents
- 15 docs on file
- Reference
- 3/24/0122/LBC
We flagged 1 thing worth checking at Tewin Water 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
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Sales history & valuation
Latest sale on Tewin Water House was the highest on Land Registry record across the postcode.
£1,230,000
Growth on file: 4.0% per year over 20 years.
Sales timeline
8 September 2021Most recent
£1,230,000
+115.8%over 19 years23 November 2001
£570,000
Median price across the last 5 sales in AL6 0AA: £757,575 (2025–2006).
Nearby sales in AL6 0AA
Tewin Water House, Apartment 4, Tewin Water, Welwyn, AL6 0AA
Sold Mar 2025
£870,000Tewin Water House, Apartment 5, Tewin Water, Welwyn, AL6 0AA
Sold Jan 2014
£620,000Tewin Water House, Apartment 6, Tewin Water, Welwyn, AL6 0AA
Sold Dec 2009
£590,000Tewin Water House, Apartment 3, Tewin Water, Welwyn, AL6 0AA
Sold Nov 2006
£895,000Tewin Water House, Apartment 1, Tewin Water, Welwyn, AL6 0AA
Sold Aug 2001
£877,000
Everything we know about Tewin Water 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
0.5 km
Robin Mead — bus stop.
Closest school
0.4 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.