17 Oaklea, Welwyn, AL6 0PT
About 17 Oaklea
17 Oaklea is a four-bedroom detached house in Welwyn (AL6 0PT). It has a recorded floor area of 86 m² (around 925 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (March 2009) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 69). The latest certificate is from March 2009, so improvements made since then won't be reflected.
Untraded for 16 years, with the last transfer in December 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 86 m² it sits well below the postcode median (205 m² across 14 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and tree works, meaningful when judging how the property has evolved. Today's modelled estimate of £733,000 is 49.6% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£530/sq ft) was about 114.3% above the typical sold price in the postcode.
Know exactly what you're buying at 17 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
What this property has
Inside
- Bedrooms4
Outside
- Private gardenYes
- GarageYes
Energy performance
17 Oaklea's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 30 Mar 2019
EPC Rating
Planning history
- Jul 2010ExtensionFullIn report
Erection of five dormer windows raising of roof to rear and extension to hardstanding for parking at front
- Documents
- 26 docs on file
- Reference
- N6/2010/0899/FP
- Oct 2009Tree WorksTreesIn report
REMOVAL OF OAK TREE COVERED BY TPO 123 W1
- Documents
- 7 docs on file
- Reference
- N6/2009/1648/TP
We flagged 1 thing worth checking at 17 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
30-day money-back guarantee
Sales history & valuation
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£733,000
Modelled from EPC, postcode comparables.
£490,000
Recorded with HM Land Registry.
Sales timeline
10 December 2009Most recent
£490,000
Median price across the last 5 sales in AL6 0PT: £675,000 (2025–2017).
Everything we know about 17 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, 17 Oaklea stands well clear of the street.
Price per m²
£5,700
Street avg £3,201
Floor Area
86 m²
Street avg 193 m²
Habitable Rooms
6 rooms
Street avg 8 rooms
CO₂ Emissions
7.2 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.