5a, Tewin Hill, Tewin, Welwyn, AL6 0LJ
About 5a
5a is a four-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0LJ). It has a recorded floor area of 144 m² (around 1548 sq ft) and council tax band F. The latest certificate (February 2010) returns a B (score 81), comfortably above the UK average. The latest certificate is from February 2010, so improvements made since then won't be reflected.
At 144 m² the property is well over the postcode median (91 m² across 7 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. On the market in March 2012 and unlisted since — roughly 14 years. Today's modelled estimate of £767,000 is 38.2% above the 2012 sale price.
Know exactly what you're buying at 5a
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
Energy performance
5a ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Feb 2020
EPC Rating
Planning history
5a has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 5a
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
5a valuation sits well clear of the typical sold price in this postcode.
£767,000
Modelled from EPC, postcode comparables.
£555,000
Recorded with HM Land Registry.
Sales timeline
19 March 2012Most recent
£555,000
Median price across the last 5 sales in AL6 0LJ: £525,000 (2024–2018).
Nearby sales in AL6 0LJ
Everything we know about 5a, 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 Tewin Hill homes
EPC Rating for 5a runs comfortably ahead of the street norm.
Price per m²
£3,859
Street avg £5,178
Floor Area
144 m²
Street avg 99 m²
CO₂ Emissions
2.8 t/year
Street avg 4.0 t/year
Years Held
14 years
Street avg 9 years
Similar properties nearby
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
0.8 km
Tewin Cowper Church of England Voluntary Aided Primary School. 8 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.