15 Sevenacres, Tewin, Welwyn, AL6 0FD
About 15 Sevenacres
15 Sevenacres is a five-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0FD). It has a recorded floor area of 217 m² (around 2336 sq ft), construction records dating it to 2012 onwards and council tax band G. The latest certificate (February 2025) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since March 2014. Between certificates, roof efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good.
A recent sale: £1,075,000 in July 2025. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include a garage conversion and an extension, meaningful when judging how the property has evolved. At 217 m² it's 19.2% larger than the typical home in the postcode (182 m² median across 26 EPCs). Across 2014–2025, sale prices on this property compounded at 1.8% per year. On a £-per-square-foot basis, the last sale (£460/sq ft) was about 20.2% above the typical sold price in the postcode.
Know exactly what you're buying at 15 Sevenacres
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
- Bedrooms5
- Bathrooms3
Energy performance
Achieving this rating across a home of this size is uncommon — larger homes typically score lower.
EPC Rating
Planning history
A a garage conversion application was refused at 15 Sevenacres in 2025.
- Dec 2025Garage ConversionFullIn report
Conversion of garage to habitable room, installation of one rooflight. Alterations to fenestration.
- Documents
- 17 docs on file
- Reference
- 3/25/1657/HH
- Oct 2025Garage ConversionOutlineIn report
Conversion of the existing garage into ancillary accommodation for use as a home gym and bicycle storage, including the installation of a rooflight to the existing roof to provide natural light
- Documents
- 9 docs on file
- Reference
- 3/25/1391/CLPO
We flagged 1 thing worth checking at 15 Sevenacres
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 Sevenacres valuation sits well clear of the typical sold price in this postcode.
£1,143,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.8% per year over 11 years.
£1,075,000
Growth on file: 1.8% per year over 11 years.
Sales timeline
8 July 2025Most recent
£1,075,000
+18.8%over 7 years10 July 2017
£905,000
+2.4%over 3 years23 June 2014
£884,000
Median price across the last 5 sales in AL6 0FD: £725,000 (2023–2015).
Nearby sales in AL6 0FD
Everything we know about 15 Sevenacres, 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 Sevenacres homes
15 Sevenacres is notably below the street on years held.
Price per m²
£4,954
Street avg £4,346
Floor Area
217 m²
Street avg 160 m²
Habitable Rooms
8 rooms
Street avg 9 rooms
CO₂ Emissions
3.9 t/year
Street avg 2.5 t/year
Similar properties nearby
1 Acorn Glade, Digswell
AL6 0AZ
1 Broom Hill
AL6 0SF
1 Desborough Drive, Tewin
AL6 0HQ
1 Cob Lane Close, Digswell
AL6 0DD
1 Badgers Walk, Tewin
AL6 0HP
1 Churchfield Road, Tewin
AL6 0JW
1 Chestnut Walk
AL6 0SB
1 Barneswood
AL6 0EU
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Plume of Feathers PH — bus stop.
Closest school
0.7 km
Tewin Cowper Church of England Voluntary Aided Primary School. 9 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.