57 Hertford Road, Welwyn, AL6 0BU
About 57 Hertford Road
57 Hertford Road is a four-bedroom detached house in Welwyn (AL6 0BU). It has a recorded floor area of 220 m² (around 2368 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (July 2012) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). The latest certificate is from July 2012, so improvements made since then won't be reflected.
At 220 m² the property is well over the postcode median (64 m² across 9 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £1,306,000 is 49.3% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£370/sq ft) was about 20.8% below the postcode norm. Last changed hands 14 years ago, in October 2012.
Know exactly what you're buying at 57 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
- Bedrooms4
Energy performance
57 Hertford Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Jul 2022
EPC Rating
Planning history
57 Hertford Road has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 57 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
Latest sale on 57 Hertford Road was the highest on Land Registry record across the postcode.
£1,306,000
Modelled from EPC, postcode comparables.
£875,000
Recorded with HM Land Registry.
Sales timeline
15 October 2012Most recent
£875,000
Median price across the last 5 sales in AL6 0BU: £480,000 (2024–2007).
Everything we know about 57 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 floor area, 57 Hertford Road stands well clear of the street.
EPC Rating
64 (D)
Street avg 63 (D)
Floor Area
220 m²
Street avg 66 m²
CO₂ Emissions
7.9 t/year
Street avg 3.2 t/year
Habitable Rooms
7 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Sloansway — bus stop.
Closest school
0.1 km
St John's CofE Primary School. 18 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.