23 Mornington, Welwyn, AL6 0AJ
About 23 Mornington
23 Mornington is a detached house in Welwyn (AL6 0AJ). It has a recorded floor area of 191 m² (around 2056 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (June 2013) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since November 2009. Between certificates, hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 75). The latest certificate is from June 2013, so improvements made since then won't be reflected.
It hasn't traded since October 1998, a hold of 28 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £947,000 sits 226.6% above the 1998 sale of £290,000. On a £-per-square-foot basis, the last sale (£141/sq ft) was about 56.3% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved.
Know exactly what you're buying at 23 Mornington
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
23 Mornington'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This certificate is over 10 years old and is no longer valid.Expired 15 Jun 2023
EPC Rating
Planning history
Planning history at 23 Mornington is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
- Oct 2013Tree WorksTreesIn report
Reduce and shape to previous pruning points 4x Sycamore trees and remove 1x Sycamore tree covered by TPO 260 W2
- Documents
- 2 docs on file
- Reference
- N6/2013/1801/TP
- Jul 2003Tree WorksTreesIn report
WORKS TO TWO SYCAMORES, COVERED BY TPO 260, W2
- Reference
- N6/2003/0713/TP
We flagged 1 thing worth checking at 23 Mornington
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
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Sales history & valuation
23 Mornington's estimated value is more than triple its earliest registered sale price (1998).
£947,000
Modelled from EPC, postcode comparables.
£290,000
Recorded with HM Land Registry.
Sales timeline
29 October 1998Most recent
£290,000
Median price across the last 5 sales in AL6 0AJ: £949,250 (2022–2014).
Everything we know about 23 Mornington, 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 Mornington homes
Years Held for 23 Mornington runs comfortably ahead of the street norm.
Price per m²
£1,518
Street avg £3,809
Floor Area
191 m²
Street avg 213 m²
Habitable Rooms
8 rooms
Street avg 8 rooms
CO₂ Emissions
7.2 t/year
Street avg 7.7 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
0.1 km
Mornington — bus stop.
Closest school
0.8 km
St John's CofE Primary School. 14 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.