15 The Walled Garden, Tewin Water, Tewin, Welwyn, AL6 0BZ
About 15 The Walled Garden
15 The Walled Garden is a four-bedroom mid-terrace house in Tewin, Welwyn, Welwyn (AL6 0BZ). It has a recorded floor area of 162 m² (around 1744 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (May 2021) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since May 2011. Between certificates, lighting went from Average to Very Good. The recommended improvements would push it to B (score 82).
Last sold in November 2011, so it's been off the market for around 15 years. Across 2000–2011, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £781,000 is 47.4% above the 2011 sale price.
Know exactly what you're buying at 15 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
What this property has
Inside
- Bedrooms4
- Bathrooms3
- Dining roomYes
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
15 The Walled Garden has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 15 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
15 The Walled Garden valuation sits well clear of the typical sold price in this postcode.
£781,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 11 years.
£530,000
Growth on file: 4.3% per year over 11 years.
Sales timeline
12 November 2011Most recent
£530,000
+60.6%over 11 years29 June 2000
£330,000
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 15 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

Versus other The Walled Garden homes
15 The Walled Garden is notably below the street on price per m².
Price per m²
£3,272
Street avg £5,130
Floor Area
162 m²
Street avg 137 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.2 t/year
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.