9 Firs Walk, Tewin, Welwyn, AL6 0NY
About 9 Firs Walk
9 Firs Walk is a detached house in Tewin, Welwyn, Welwyn (AL6 0NY). It has a recorded floor area of 221 m² (around 2379 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (May 2013) shows a C (score 75), near the top of the C band. When first surveyed in June 2012 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Good to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 88). The latest certificate is from May 2013, so improvements made since then won't be reflected.
5 planning records sit against the property, 3 approved, 2 refused. Past consents include a garage conversion, an extension and new windows, meaningful when judging how the property has evolved. Today's modelled estimate of £1,344,000 is 41.5% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£399/sq ft) was about 52.3% above the typical sold price in the postcode. Last changed hands 13 years ago, in November 2013.
Know exactly what you're buying at 9 Firs Walk
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
9 Firs Walk's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 May 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Solar PV panels (37 kWp) installed
Planning history
Council records include a two-storey rear extension at 9 Firs Walk.
- May 2021Garage ConversionOutlineIn report
Proposed garage conversion, to form reception room.
- Documents
- 5 docs on file
- Reference
- 3/21/0801/CLPO
- May 2018OutbuildingOutlineIn report
Proposed detached outbuilding
- Documents
- 5 docs on file
- Reference
- 3/18/0756/CLP
We flagged 1 thing worth checking at 9 Firs Walk
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
9 Firs Walk valuation sits well clear of the typical sold price in this postcode.
£1,344,000
Modelled from EPC, postcode comparables.
£950,000
Recorded with HM Land Registry.
Sales timeline
8 November 2013Most recent
£950,000
Median price across the last 5 sales in AL6 0NY: £1,300,000 (2025–2020).
Nearby sales in AL6 0NY
Everything we know about 9 Firs Walk, 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 Firs Walk homes
CO₂ Emissions for 9 Firs Walk runs comfortably ahead of the street norm.
Price per m²
£4,299
Street avg £4,660
Floor Area
221 m²
Street avg 241 m²
Habitable Rooms
7 rooms
Street avg 8 rooms
CO₂ Emissions
4.9 t/year
Street avg 8.5 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.7 km
Desborough Drive — bus stop.
Closest school
1.9 km
Tewin Cowper Church of England Voluntary Aided Primary School. 7 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.