17 Briary Wood Lane, Welwyn, AL6 0TE
About 17 Briary Wood Lane
17 Briary Wood Lane is a four-bedroom detached house in Welwyn (AL6 0TE). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (January 2015) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. The latest certificate is from January 2015, so improvements made since then won't be reflected. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include a garage conversion, an extension and a porch, meaningful when judging how the property has evolved. At 148 m² it's 27.8% smaller than the typical home in the postcode (205 m² median across 9 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). On the market in September 2015 and unlisted since — roughly 11 years. Today's modelled estimate of £843,000 is 33.8% above the 2015 sale price.
Know exactly what you're buying at 17 Briary Wood Lane
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
- Bathrooms1
Building
- Period featuresYes
- RefurbishedYes
- Extension potentialPossible
Energy performance
17 Briary Wood Lane'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This certificate is over 10 years old and is no longer valid.Expired 20 Jan 2025
EPC Rating
Planning history
- Jun 2017Garage ConversionOutlineIn report
Certificate of lawfulness for the conversion of garage to habitable space
- Reference
- 6/2017/0776/LAWP
- Dec 2015PorchFullIn report
Extension: Two storey · Rear of property
Erection of porch, two storey rear extension, alterations and removal of conservatory
Extension- Reference
- 6/2015/2265/HOUSE
We flagged 1 thing worth checking at 17 Briary Wood Lane
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
17 Briary Wood Lane valuation sits well clear of the typical sold price in this postcode.
£843,000
Modelled from EPC, postcode comparables.
£630,000
Recorded with HM Land Registry.
Sales timeline
8 September 2015Most recent
£630,000
Median price across the last 5 sales in AL6 0TE: £911,500 (2023–2019).
Nearby sales in AL6 0TE
Everything we know about 17 Briary Wood Lane, 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 Briary Wood Lane homes
EPC Rating for 17 Briary Wood Lane lags the street by a wide margin.
Price per m²
£4,257
Street avg £4,268
Floor Area
148 m²
Street avg 197 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
9.4 t/year
Street avg 6.5 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Mardley Avenue — bus stop.
Closest school
0.5 km
Oaklands Primary School. 6 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.