3 Oaklea, Welwyn, AL6 0PT
About 3 Oaklea
3 Oaklea is a detached house in Welwyn (AL6 0PT). It has a recorded floor area of 208 m² (around 2239 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (July 2025) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since July 2009. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Poor.
Held since February 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £913,000 sits 188.5% above the 1999 sale of £316,500. On a £-per-square-foot basis, the last sale (£141/sq ft) was about 44% below the postcode norm.
Know exactly what you're buying at 3 Oaklea
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
3 Oaklea's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
3 Oaklea has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 3 Oaklea
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
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Sales history & valuation
3 Oaklea has been held in the same hands since before 2000.
£913,000
Modelled from EPC, postcode comparables.
£316,500
Recorded with HM Land Registry.
Sales timeline
11 February 1999Most recent
£316,500
Median price across the last 5 sales in AL6 0PT: £675,000 (2025–2017).
Everything we know about 3 Oaklea, 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 Oaklea homes
On price per m², 3 Oaklea runs well behind the street norm.
Price per m²
£1,522
Street avg £3,549
Floor Area
208 m²
Street avg 184 m²
Habitable Rooms
6 rooms
Street avg 8 rooms
CO₂ Emissions
6.6 t/year
Street avg 7.4 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
The Avenue — bus stop.
Closest school
0.1 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.