30a, High Street, Welwyn, AL6 9EQ
About 30a
30a is a semi-detached house in Welwyn (AL6 9EQ). It has a recorded floor area of 59 m² (around 635 sq ft) and construction records dating it to before 1900. At 59 m² this is the 4th smallest of 13 units on EPC record in the building, where floor areas span 47–99 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (May 2018) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67).
It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). 2 planning records sit against the property, 2 approved, 0 refused.
Know exactly what you're buying at 30a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Planning history
- May 2006Change Of UseFullIn report
CHANGE OF USE FROM D1 TO B1 (OFFICE)
- Reference
- N6/2006/0238/FP
- May 2004Change Of UseFullIn report
CHANGE OF USE FROM OFFICE/STORAGE TO A CHIROPRACTORS CLINIC (CLASS D1)
- Reference
- N6/2004/0474/FP
What's in 30a, High Street, Welwyn, AL6 9EQ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
30a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£278,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in AL6 9EQ: £390,000 (2023–2011).
Everything we know about 30a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other High Street homes
On habitable rooms, 30a stands well clear of the street.
EPC Rating
52 (E)
Street avg 66 (D)
Floor Area
59 m²
Street avg 70 m²
CO₂ Emissions
4.2 t/year
Street avg 3.2 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Mary's Church — bus stop.
Closest school
0.4 km
Welwyn St Mary's 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.