14 Hertford Road, Tewin, Welwyn, AL6 0JY
About 14 Hertford Road
14 Hertford Road is a three-bedroom end-of-terrace house in Tewin, Welwyn, Welwyn (AL6 0JY). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (April 2018) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump.
Held since November 2006 — that's 20 years off the open market, well above the local norm. Today's modelled estimate of £686,000 sits 54.2% above the 2006 sale of £445,000. On a £-per-square-foot basis, the last sale (£359/sq ft) was about 15.4% below the postcode norm. At 115 m² it sits well below the postcode median (166 m² across 16 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). 2 planning records sit against the property, 0 approved, 2 refused.
Know exactly what you're buying at 14 Hertford Road
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
14 Hertford Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Council records include a two-storey side extension at 14 Hertford Road.
- Nov 2019FullIn report
Erection of replacement garage with dormer window at roof level (to provide study).
- Documents
- 10 docs on file
- Reference
- 3/19/0573/HH
- May 2019ExtensionFullIn report
Extension: Two storey · Side of property
Two storey side extension with changes to fenestration.
- Documents
- 10 docs on file
- Reference
- 3/19/0572/HH
We flagged 1 thing worth checking at 14 Hertford Road
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
£686,000
Modelled from EPC, postcode comparables.
£445,000
Recorded with HM Land Registry.
Sales timeline
10 November 2006Most recent
£445,000
Median price across the last 5 sales in AL6 0JY: £755,000 (2021–2015).
Nearby sales in AL6 0JY
4 Hertford Road, Tewin, Welwyn, AL6 0JY
Sold Jun 2021
£516,00012a, Hertford Road, Tewin, Welwyn, AL6 0JY
Sold Mar 2019
£875,00012b, Hertford Road, Tewin, Welwyn, AL6 0JY
Sold Feb 2019
£895,00020 Hertford Road, Tewin, Welwyn, AL6 0JY
Sold May 2016
£750,00022a, Hertford Road, Tewin, Welwyn, AL6 0JY
Sold Jun 2015
£755,000
Everything we know about 14 Hertford Road, 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 Hertford Road homes
Years Held for 14 Hertford Road runs comfortably ahead of the street norm.
Price per m²
£3,870
Street avg £5,097
Floor Area
115 m²
Street avg 158 m²
Habitable Rooms
4 rooms
Street avg 7 rooms
CO₂ Emissions
8.2 t/year
Street avg 5.6 t/year
Similar properties nearby
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1 Churchfield Road, Tewin
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1 Colyer Close, Digswell
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Rose and Crown PH — bus stop.
Closest school
0.1 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.