16 Hertford Road, Tewin, Welwyn, AL6 0JY
About 16 Hertford Road
16 Hertford Road is a six-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0JY). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 2021 and council tax band G. The latest certificate (August 2023) shows a D (score 55), a step below the typical UK home. Main heating runs on electricity: electricity, unspecified tariff.
It hasn't traded since November 2006, a hold of 20 years that's notably long for the area. 5 planning records sit against the property, 5 approved, 0 refused. Past consents include an extension, a garage conversion and an annexe, meaningful when judging how the property has evolved. Today's modelled estimate of £1,296,000 is 39.4% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£738/sq ft) was about 80.8% above the typical sold price in the postcode. At 117 m² it's 29.5% smaller than the typical home in the postcode (166 m² median across 16 EPCs). 6 bedrooms is on the larger side for this postcode, where 5 is the typical count.
Know exactly what you're buying at 16 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
- Bedrooms6
Energy performance
16 Hertford Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
16 Hertford Road has 2 separate extension applications on the council record.
- Nov 2012ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear garden room extension
- Documents
- 19 docs on file
- Reference
- 3/12/1579/FP
- Nov 2012ExtensionHeritageIn report
Extension: Single storey · Rear of property
Single storey rear garden room extension
- Documents
- 20 docs on file
- Reference
- 3/12/1580/LB
We flagged 1 thing worth checking at 16 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
16 Hertford Road valuation sits well clear of the typical sold price in this postcode.
£1,296,000
Modelled from EPC, postcode comparables.
£930,000
Recorded with HM Land Registry.
Sales timeline
30 November 2006Most recent
£930,000
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 16 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
On price per m², 16 Hertford Road stands well clear of the street.
Price per m²
£7,949
Street avg £4,726
Floor Area
117 m²
Street avg 158 m²
CO₂ Emissions
9.0 t/year
Street avg 5.5 t/year
Years Held
20 years
Street avg 11 years
Similar properties nearby
1 Desborough Drive, Tewin
AL6 0HQ
1 Acorn Glade, Digswell
AL6 0AZ
1 Broom Hill
AL6 0SF
1 Badgers Walk, Tewin
AL6 0HP
1 Cob Lane Close, Digswell
AL6 0DD
1 Churchfield Road, Tewin
AL6 0JW
1 Chestnut Walk
AL6 0SB
1 Barneswood
AL6 0EU
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.