Flat 9, 80 Great North Road, Welwyn, AL6 0TA
About Flat 9
Flat 9 is a detached house in Welwyn (AL6 0TA). It has a recorded floor area of 110 m² (around 1184 sq ft). The latest certificate (September 2018) returns a high B (score 85), putting the home a stone's throw from an A rating. At 110 m² this is the 9th smallest of 10 units on EPC record in the building, where floor areas span 62–110 m². On EPC score it ranks first in the building (85 versus a worst of 83).
At 110 m² the property is well over the postcode median (65 m² across 9 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £462,000 is 28.3% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£304/sq ft) was about 32.2% below the postcode norm. Last sale on file: £360,000 in January 2019.
Know exactly what you're buying at Flat 9
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
Flat 9's carbon output is low for the local stock.
EPC Rating
Planning history
Flat 9 has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 9
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
Flat 9 valuation sits well clear of the typical sold price in this postcode.
£462,000
Modelled from EPC, postcode comparables.
£360,000
Recorded with HM Land Registry.
Sales timeline
17 January 2019Most recent
£360,000
Median price across the last 5 sales in AL6 0TA: £320,000 (2022–2018).
Everything we know about Flat 9, 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 Great North Road homes
Price per m² for Flat 9 lags the street by a wide margin.
Price per m²
£3,273
Street avg £4,516
Floor Area
110 m²
Street avg 70 m²
CO₂ Emissions
1.4 t/year
Street avg 1.0 t/year
Years Held
7 years
Street avg 6 years
Similar properties nearby
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Oaklands Court, Flat 1, Canonsfield Road
AL6 0GD
Oaklands Court, Flat 13, Canonsfield Road
AL6 0GD
Oaklands Court, Flat 3, Canonsfield Road
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Flat 6, 80 Great North Road
AL6 0TA
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
The North Star PH — bus stop.
Closest school
0.2 km
Oaklands Primary School. 9 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.