18 Birch Grove, Welwyn, AL6 0QP
About 18 Birch Grove
18 Birch Grove is a four-bedroom detached house in Welwyn (AL6 0QP). It has a recorded floor area of 132 m² (around 1421 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (June 2024) shows a C (score 70).
It changed hands recently, sold February 2025 for £670,000. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£472/sq ft) was about 63.4% above the typical sold price in the postcode.
Know exactly what you're buying at 18 Birch Grove
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
- Bathrooms2
Energy performance
EPC Rating
Planning history
18 Birch Grove has an approved extension on the planning record.
- Dec 2011ConditionsIn report
Variation to condition 1 (Time Limit) of planning permission N6/2008/1252/FP erection of extension to existing porch
- Documents
- 2 docs on file
- Reference
- N6/2011/2473/S73B
- Dec 2008PorchFullIn report
ERECTION OF EXTENSION TO EXISTING PORCH
Extension- Documents
- 4 docs on file
- Reference
- N6/2008/1252/FP
We flagged 1 thing worth checking at 18 Birch Grove
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
18 Birch Grove valuation sits well clear of the typical sold price in this postcode.
£732,000
Modelled from EPC, postcode comparables.
£670,000
Recorded with HM Land Registry.
Sales timeline
28 February 2025Most recent
£670,000
Median price across the last 5 sales in AL6 0QP: £620,000 (2025–2023).
Everything we know about 18 Birch Grove, 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 Birch Grove homes
18 Birch Grove is notably below the street on years held.
Price per m²
£5,076
Street avg £4,064
Floor Area
132 m²
Street avg 131 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.5 t/year
Street avg 5.2 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
The North Star PH — bus stop.
Closest school
0.3 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.