8 Tewin Hill, Tewin, Welwyn, AL6 0LJ
About 8 Tewin Hill
8 Tewin Hill is a three-bedroom end-of-terrace house in Tewin, Welwyn, Welwyn (AL6 0LJ). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (May 2015) shows an F (score 34), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 81), a 4-band jump. The latest certificate is from May 2015, so improvements made since then won't be reflected.
At 80 m² it sits well below the postcode median (122 m² across 7 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2015–2018, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £550,000 is 12.2% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£569/sq ft) was about 68.5% above the typical sold price in the postcode. Last sale on file: £490,000 in August 2018.
Know exactly what you're buying at 8 Tewin Hill
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
- Bathrooms1
Energy performance
8 Tewin Hill sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 May 2025
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Oct 2022ExtensionFullIn report
Extension: Part single, part two storey · Side of property
Construction of Two storey, part single storey and part first floor side extension. Incorporation of attached external store into main dwelling. Insertion of 1 roof light window to flank elevation.
- Documents
- 11 docs on file
- Reference
- 3/22/0756/HH
- Jun 2019ExtensionFullIn report
Extension: Part single, part two storey · Side of property
Part two storey, part single storey side extension and insertion of rooflight.
- Documents
- 13 docs on file
- Reference
- 3/19/0931/HH
We flagged 1 thing worth checking at 8 Tewin Hill
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
8 Tewin Hill valuation sits well clear of the typical sold price in this postcode.
£550,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 3 years.
£490,000
Growth on file: 4.8% per year over 3 years.
Sales timeline
13 August 2018Most recent
£490,000
+15.3%over 3 years30 July 2015
£425,000
Median price across the last 5 sales in AL6 0LJ: £525,000 (2024–2016).
Nearby sales in AL6 0LJ
Everything we know about 8 Tewin Hill, 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
8 Tewin Hill outperforms the street on price per m² by a wide margin.
Price per m²
£6,125
Street avg £4,854
Floor Area
80 m²
Street avg 108 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
7.5 t/year
Street avg 3.3 t/year
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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
0.8 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.