15 Bishops Road, Tewin, Welwyn, AL6 0NR
About 15 Bishops Road
15 Bishops Road is a five-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0NR). It has a recorded floor area of 247 m² (around 2659 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (September 2018) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2012); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 73).
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Across 2012–2020, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £1,564,000 is 13.3% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£519/sq ft) was about 63.4% above the typical sold price in the postcode. Most recent transfer: October 2020 at £1,380,000.
Know exactly what you're buying at 15 Bishops Road
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
- Bedrooms5
- Bathrooms4
Energy performance
15 Bishops Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
- Mar 2023ExtensionFullIn report
Extension: Rear of property
Single storey rear extensions, insertion of roof lights to front and side. Erection of boundary wall and gate with associated landscaping.
- Documents
- 20 docs on file
- Reference
- 3/22/0872/HH
- Aug 2013Loft ConversionFullIn report
Extension: Single storey · Side of property
Single storey side extension to link existing garage to house; loft conversion with rear dormer window.
- Agent
- Extend
Extension- Documents
- 9 docs on file
- Reference
- 3/13/0999/FP
We flagged 1 thing worth checking at 15 Bishops Road
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 landed in the post-pandemic price surge — useful context when reading the figure.
£1,564,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 8 years.
£1,380,000
Growth on file: 4.1% per year over 8 years.
Sales timeline
28 October 2020Most recent
£1,380,000
+38.0%over 8 years30 September 2012
£1,000,000
Median price across the last 5 sales in AL6 0NR: £855,000 (2025–2011).
Nearby sales in AL6 0NR
19 Bishops Road, Tewin, Welwyn, AL6 0NR
Sold Jul 2025
£1,675,00013 Bishops Road, Tewin, Welwyn, AL6 0NR
Sold Jul 2016
£855,00011 Bishops Road, Tewin, Welwyn, AL6 0NR
Sold Jun 2013
£750,0009 Bishops Road, Tewin, Welwyn, AL6 0NR
Sold Nov 2011
£875,00021 Bishops Road, Tewin, Welwyn, AL6 0NR
Sold Apr 2011
£800,000
Everything we know about 15 Bishops Road, 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 Bishops Road homes
EPC Rating for 15 Bishops Road lags the street by a wide margin.
Price per m²
£5,587
Street avg £4,810
Floor Area
247 m²
Street avg 248 m²
Habitable Rooms
9 rooms
Street avg 9 rooms
CO₂ Emissions
7.8 t/year
Street avg 8.5 t/year
Similar properties nearby
1 Desborough Drive, Tewin
AL6 0HQ
1 Acorn Glade, Digswell
AL6 0AZ
1 Broom Hill
AL6 0SF
1 Badgers Walk, Tewin
AL6 0HP
1 Cob Lane Close, Digswell
AL6 0DD
1 Churchfield Road, Tewin
AL6 0JW
1 Chestnut Walk
AL6 0SB
1 Barneswood
AL6 0EU
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km
Desborough Drive — bus stop.
Closest school
2.0 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.