2a, Hertford Road, Tewin, Welwyn, AL6 0JY
About 2a
2a is a detached house in Tewin, Welwyn, Welwyn (AL6 0JY). It has a recorded floor area of 174 m² (around 1873 sq ft). The latest certificate (March 2015) returns a high B (score 85), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 92). The latest certificate is from March 2015, so improvements made since then won't be reflected.
One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). On the market in May 2015 and unlisted since — roughly 11 years. Across 2014–2015, sale prices on this property compounded at 25.4% per year. Today's modelled estimate of £851,000 is 11.2% above the 2015 sale price.
Know exactly what you're buying at 2a
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
Energy performance
2a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 30 Mar 2025
EPC Rating
Planning history
2a has an approved single-storey rear extension on the planning record.
- Apr 2022ExtensionOutlineIn report
Extension: Single storey · Rear of property
Single storey rear extension.
- Documents
- 8 docs on file
- Reference
- 3/22/0246/CLPO
We flagged 2 things worth checking at 2a
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
- Recent ownership pattern worth a look
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Sales history & valuation
2a changed hands twice within eighteen months — unusual for the area.
£851,000
Modelled from EPC, postcode comparables and a sale-price growth of 25.4% per year over 1 year.
£765,000
Growth on file: 25.4% per year over 1 year.
Sales timeline
27 May 2015Most recent
£765,000
+25.4%over 11 months29 June 2014
£610,000
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 2a, 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
- Recent ownership pattern worth a look

Versus other Hertford Road homes
2a outperforms the street on epc rating by a wide margin.
Price per m²
£4,397
Street avg £5,049
Floor Area
174 m²
Street avg 155 m²
CO₂ Emissions
2.3 t/year
Street avg 6.0 t/year
Years Held
11 years
Street avg 12 years
Similar properties nearby
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.