1 Dolphin Court, Welwyn, AL6 9FW
About 1 Dolphin Court
1 Dolphin Court is a four-bedroom property in Welwyn (AL6 9FW). It has a recorded floor area of 238 m² (around 2562 sq ft) and council tax band H. The latest certificate (June 2016) returns a high B (score 85), putting the home a stone's throw from an A rating. The latest certificate is from June 2016, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.
At 238 m² the property is well over the postcode median (169 m² across 4 EPCs), placing it in the larger end of the local stock. A recent sale: £1,250,000 in March 2025. Across 2016–2025, sale prices on this property compounded at 1% per year.
Know exactly what you're buying at 1 Dolphin Court
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms3
- EnsuiteYes
Outside
- Private gardenYes
- GarageDouble
- Cul-de-sacYes
Energy performance
Achieving this rating across a home of this size is uncommon — larger homes typically score lower.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Jun 2026
EPC Rating
Planning history
1 Dolphin Court has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
1 Dolphin Court valuation sits well clear of the typical sold price in this postcode.
£1,198,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.0% per year over 9 years.
£1,250,000
Growth on file: 1.0% per year over 9 years.
Sales timeline
14 March 2025Most recent
£1,250,000
+8.7%over 8 years30 May 2016
£1,150,000
Median price across the last 4 sales in AL6 9FW: £840,000 (2016–2016).
Everything we know about 1 Dolphin Court, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Dolphin Court homes
Price per m² for 1 Dolphin Court runs comfortably ahead of the street norm.
Price per m²
£5,252
Street avg £4,918
Floor Area
238 m²
Street avg 187 m²
CO₂ Emissions
3.1 t/year
Street avg 2.7 t/year
Years Held
1 years
Street avg 10 years
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1 Church Cottages, Bibbs Hall Lane, Ayot St Lawrence
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
The Frythe — bus stop.
Closest school
0.9 km
Welwyn St Mary's 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.