21 Parkfields, Welwyn Garden City, AL8 6EE
About 21 Parkfields
21 Parkfields is a four-bedroom detached house in Welwyn Garden City (AL8 6EE). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (March 2020) shows a D (score 57), a step below the typical UK home. Earlier certificates rated it C (July 2011); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78).
Across 1996–2020, sale prices on this property compounded at 8.9% per year. Today's modelled estimate of £881,000 is 13.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£579/sq ft) was about 19.4% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Most recent transfer: August 2020 at £779,000.
Know exactly what you're buying at 21 Parkfields
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
Outside
- GarageYes
Energy performance
21 Parkfields's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
- Jan 2016ExtensionIn report
Retrospective application for two storey rear extension and single storey side extension
Retrospective- Documents
- 1 doc on file
- Reference
- W6/2011/2514/EM
- Apr 2014ApplicationIn report
Retention of block paving
- Documents
- 18 docs on file
- Reference
- W6/2014/0035/EM
What's in 21 Parkfields, Welwyn Garden City, AL8 6EE's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Price for 21 Parkfields has grown more than fourfold since the 1996 starting point.
£881,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 24 years.
£779,000
Growth on file: 8.9% per year over 24 years.
Sales timeline
5 August 2020Most recent
£779,000
+33.2%over 8 years5 January 2012
£585,000
+485.3%over 15 years27 June 1996
£99,950
Median price across the last 5 sales in AL8 6EE: £705,000 (2025–2015).
Nearby sales in AL8 6EE
15 Parkfields, Welwyn Garden City, AL8 6EE
Sold Feb 2025
£650,00025 Parkfields, Welwyn Garden City, AL8 6EE
Sold Nov 2023
£810,0005 Parkfields, Welwyn Garden City, AL8 6EE
Sold Dec 2021
£705,00027 Parkfields, Welwyn Garden City, AL8 6EE
Sold Jan 2017
£799,9509 Parkfields, Welwyn Garden City, AL8 6EE
Sold Aug 2015
£487,000
Everything we know about 21 Parkfields, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Parkfields homes
21 Parkfields is notably below the street on co₂ emissions.
Price per m²
£6,232
Street avg £6,024
Floor Area
125 m²
Street avg 114 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
6.4 t/year
Street avg 4.9 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
Sainsbury's — bus stop.
Closest school
0.7 km
Applecroft School. 21 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.