12a, Guessens Court, Welwyn Garden City, AL8 6RB
About 12a
12a is an end-of-terrace house in Welwyn Garden City (AL8 6RB). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band C. At 69 m² this is the 71st smallest of 72 units on EPC record in the building, where floor areas span 33–71 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (May 2015) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (June 2010); the latest reading is one band lower. Between certificates, window efficiency dropped from Good to Average and lighting dropped from Very Good to Very Poor. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from May 2015, so improvements made since then won't be reflected.
At 69 m² the property is well over the postcode median (49 m² across 71 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 2 approved, 0 refused.
Know exactly what you're buying at 12a
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
12a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 May 2025
EPC Rating
Planning history
- Jul 2004
- Jul 2004
What's in 12a, Guessens Court, Welwyn Garden City, AL8 6RB's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
12a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£283,000
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 AL8 6RB: £215,000 (2024–2024).
Nearby sales in AL8 6RB
57 Guessens Court, Welwyn Garden City, AL8 6RB
Sold Aug 2024
£215,00052 Guessens Court, Welwyn Garden City, AL8 6RB
Sold Aug 2024
£230,00054 Guessens Court, Welwyn Garden City, AL8 6RB
Sold Jul 2024
£215,00061 Guessens Court, Welwyn Garden City, AL8 6RB
Sold May 2024
£180,00051 Guessens Court, Welwyn Garden City, AL8 6RB
Sold Mar 2024
£230,000
Everything we know about 12a, 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 Guessens Court homes
On epc rating, 12a runs well behind the street norm.
EPC Rating
54 (E)
Street avg 72 (C)
Floor Area
69 m²
Street avg 48 m²
CO₂ Emissions
4.4 t/year
Street avg 2.0 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
Similar properties nearby
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
0.1 km
Church Road — bus stop.
Closest school
0.6 km
Applecroft School. 20 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.