4 The Walled Garden, Tewin Water, Tewin, Welwyn, AL6 0BZ
About 4 The Walled Garden
4 The Walled Garden is a property in Tewin, Welwyn, Welwyn (AL6 0BZ). It has council tax band F.
Untraded for 23 years, with the last transfer in March 2003. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a conservatory and new windows, meaningful when judging how the property has evolved. Across 2000–2003, sale prices on this property compounded at 10.9% per year.
Know exactly what you're buying at 4 The Walled Garden
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
Multiple extension applications run across more than a decade of planning history at 4 The Walled Garden.
- Mar 2019ConservatoryFullIn report
Extension: Single storey · Rear of property
Replace existing conservatory with a single storey rear extension inc replacement of all casement windows to front side and rear elevation of existing building with Upvc or similar windows
ExtensionNew Windows- Documents
- 16 docs on file
- Reference
- 3/19/0269/HH
- Jul 2005ConservatoryFullIn report
Extension: Rear of property
Rear conservatory
Extension- Reference
- 3/05/1017/FP
We flagged 1 thing worth checking at 4 The Walled Garden
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
£390,000
Growth on file: 10.9% per year over 2 years.
Sales timeline
10 March 2003Most recent
£390,000
+25.8%over 2 years19 December 2000
£310,000
Median price across the last 5 sales in AL6 0BZ: £802,500 (2025–2022).
Nearby sales in AL6 0BZ
6 The Walled Garden, Tewin Water, Tewin, Welwyn, AL6 0BZ
Sold Mar 2025
£802,50013 The Walled Garden, Tewin Water, Tewin, Welwyn, AL6 0BZ
Sold Nov 2024
£675,0007 The Walled Garden, Tewin Water, Tewin, Welwyn, AL6 0BZ
Sold Oct 2024
£870,0002 The Walled Garden, Tewin Water, Tewin, Welwyn, AL6 0BZ
Sold Nov 2022
£735,00016 The Walled Garden, Tewin Water, Tewin, Welwyn, AL6 0BZ
Sold Nov 2022
£850,000
Everything we know about 4 The Walled Garden, 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

Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 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.