23a, Woodside Road, Welwyn, AL6 0DS
About 23a
23a is a four-bedroom detached house in Welwyn (AL6 0DS). It has a recorded floor area of 134 m² (around 1442 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (April 2013) shows an E (score 45), 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 April 2013, so improvements made since then won't be reflected. Other recorded features include a conservatory. The home occupies a corner plot.
Today's modelled estimate of £709,000 sits 54.1% above the 2013 sale of £460,000. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 16.8% above the typical sold price in the postcode. One planning record on file: an extension approved in 2015. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). Last changed hands 13 years ago, in August 2013.
Know exactly what you're buying at 23a
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
- Dining roomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenYes
- GarageYes
- Corner plotYes
Energy performance
23a'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This certificate is over 10 years old and is no longer valid.Expired 07 Apr 2023
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Mar 2015DemolitionFullIn report
Extension: Single storey · Rear of property
Demolition of existing conservatory and erection of a single storey rear extension
Extension- Documents
- 9 docs on file
- Reference
- N6/2015/0126/FP
We flagged 1 thing worth checking at 23a
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
23a valuation sits well clear of the typical sold price in this postcode.
£709,000
Modelled from EPC, postcode comparables.
£460,000
Recorded with HM Land Registry.
Sales timeline
14 August 2013Most recent
£460,000
Median price across the last 5 sales in AL6 0DS: £615,000 (2018–2015).
Everything we know about 23a, 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 Woodside Road homes
On epc rating, 23a runs well behind the street norm.
Price per m²
£3,433
Street avg £4,228
Floor Area
134 m²
Street avg 125 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
8.2 t/year
Street avg 6.0 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Welwyn North Rail Station — railway station.
Closest school
0.7 km
St John's CofE Primary School. 13 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.