20 Sevenacres, Tewin, Welwyn, AL6 0FD
About 20 Sevenacres
20 Sevenacres is a five-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0FD). It has a recorded floor area of 187 m² (around 2013 sq ft). The latest certificate (November 2014) returns a B (score 84), comfortably above the UK average. The latest certificate is from November 2014, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.
Across 2015–2023, sale prices on this property compounded at 4.6% per year. On a £-per-square-foot basis, the last sale (£484/sq ft) was about 25.8% above the typical sold price in the postcode. Sold March 2023 for £975,000.
Know exactly what you're buying at 20 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
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenSouth-facing
- GarageIntegral
- Cul-de-sacYes
Energy performance
20 Sevenacres'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This certificate is over 10 years old and is no longer valid.Expired 27 Nov 2024
EPC Rating
Planning history
20 Sevenacres has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 20 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
£896,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 7 years.
£975,000
Growth on file: 4.6% per year over 7 years.
Sales timeline
10 March 2023Most recent
£975,000
+40.3%over 7 years21 September 2015
£695,000
Median price across the last 5 sales in AL6 0FD: £905,000 (2025–2017).
Nearby sales in AL6 0FD
Everything we know about 20 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
Years Held for 20 Sevenacres lags the street by a wide margin.
Price per m²
£5,214
Street avg £4,329
Floor Area
187 m²
Street avg 161 m²
CO₂ Emissions
2.7 t/year
Street avg 2.5 t/year
Years Held
3 years
Street avg 10 years
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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
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.