26 Grass Warren, Tewin, Welwyn, AL6 0JJ
About 26 Grass Warren
26 Grass Warren is a three-bedroom semi-detached house in Tewin, Welwyn, Welwyn (AL6 0JJ). It has a recorded floor area of 107 m² (around 1156 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (October 2008) shows a C (score 69), just inside the C band. The latest certificate is from October 2008, so improvements made since then won't be reflected.
Untraded for 17 years, with the last transfer in May 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 107 m² the property is well over the postcode median (67 m² across 22 EPCs), placing it in the larger end of the local stock. Across 1995–2009, sale prices on this property compounded at 8.1% per year. Today's modelled estimate of £545,000 sits 81.7% above the 2009 sale of £300,000. 3 planning records sit against the property, 1 approved, 2 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved.
Know exactly what you're buying at 26 Grass Warren
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
- Bedrooms3
Energy performance
26 Grass Warren's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 23 Oct 2018
EPC Rating
Planning history
A a porch application was refused at 26 Grass Warren in 2021.
- Oct 2022PorchFullIn report
Extension: Part single, part two storey
First floor side extension. Demolition of conservatory and erection of part single and part double storey rear extension. Erection of front porch.
Extension- Documents
- 11 docs on file
- Reference
- 3/22/0987/HH
- Sept 2021PorchFullIn report
Extension: Side and rear of property
Two storey side and single storey rear extension, including new front porch. Insertion of window to front and side elevations.
Extension- Documents
- 13 docs on file
- Reference
- 3/21/1919/HH
We flagged 1 thing worth checking at 26 Grass Warren
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 grown by over 3x since 1995.
£545,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.1% per year over 14 years.
£300,000
Growth on file: 8.1% per year over 14 years.
Sales timeline
28 May 2009Most recent
£300,000
+14.3%over 3 years10 March 2006
£262,500
+162.5%over 10 years24 March 1995
£100,000
Median price across the last 5 sales in AL6 0JJ: £250,000 (2022–2002).
Nearby sales in AL6 0JJ
Everything we know about 26 Grass Warren, 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 Grass Warren homes
26 Grass Warren outperforms the street on floor area by a wide margin.
EPC Rating
69 (C)
Street avg 71 (C)
Floor Area
107 m²
Street avg 73 m²
CO₂ Emissions
4.1 t/year
Street avg 2.4 t/year
Habitable Rooms
5 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Grasswarren Estate — bus stop.
Closest school
0.2 km
Tewin Cowper Church of England Voluntary Aided Primary School. 10 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.