Property data
Sale history
£1,300,000 on Sep 2022
Internal area
182 square metres (1,959 square feet) according to latest EPC inspection
Price per internal area

This property sold for £7,142 per square metre (£664 per square foot) in Sep 2022. Indexed forward to today's value, this is roughly £6,648 per square metre (£618 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Sep 2022 £1,300,000 £7,143 £1,209,885 £6,648

Calculated using the latest EPC internal area of 182 m². Earlier sale dates may not have had the same measured area available.

Valuation
The most recent sale price indexed forward to today's value is £1,209,885. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Welwyn are now selling for between £4,690 and £5,850 per square metre (£435 and £543 per square foot). Based on an internal area of 182 m², this implies a valuation between £854,000 and £1,065,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
Bedrooms
na
Type
Detached
Council tax band
G
Plot size
1,148 square metres (12,357 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 44 Mill Lane. Advertised on multiple portals. It was reduced on 23/04/2022. It last appeared Sep 2022.
Photos:

There are 20 archived estate agent listing photos for 44 Mill Lane.

Photos for 44 Mill Lane
View photos
Advertiser remarks:
  • 4 bedrooms
  • 2 bathrooms
Planning applications
Planning ref:
November 2024 6/2024/1864/TC
Type:
Tree and hedge works
Status:
Application approved
Address:
44 Mill Lane Welwyn
Description:
1. Hawthorn - Cut back over the river hard to viable growth points 2. Purple Plum - Cut back over the river hard to viable growth points 3. Contorted Willow - Reduce to previous points. This will amount to up to 1.5m of growth 4. Apple - Reduce to previous points. This will amount to up to 1m of growth 5. Spruce - Fell to ground level. 6. Alder - Crown lift to 2 metres on garden side (secondary growth only) 7 - Mulberry - Reduce in height by approximately 2m to viable growth points. Cut back hard over the driveway and shape in with the remaining crown 8 - Ash - Cut back over the river hard to viable growth points

Planning ref:
April 2024 6/2024/0247/VAR
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved
Address:
44 Mill Lane Welwyn
Description:
Variation of condition 2 (approved plans) on planning permission 6/2023/1006/HOUSE

Planning ref:
September 2023 6/2023/1006/HOUSE
Type:
Full and householder planning application
Status:
Application approved
Address:
44 Mill Lane Welwyn
Description:
Erection of garage outbuilding and single storey rear extension following demolition of existing outbuildings and conservatory

Planning ref:
May 2023 6/2023/0668/LAWP
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application approved
Address:
44 Mill Lane Welwyn Hertfordshire
Description:
Certificate of lawfulness for the construction of garden room
EPC Inspections
Summary:
12 January 2026 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 6 habitable rooms. Estimated year built 1930 to 1949
Area:
173 sqm (1,862 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: Pitched, 100 mm loft insulation. Heating: Boiler and radiators, mains gas.

Summary:
24 January 2022 - energy performance certificate grade F
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 7 habitable rooms. Estimated year built before 1900
Area:
182 sqm (1,959 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.
Frequently asked questions

44 Mill Lane is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.

  • HouseMetric estimates the most recent sale price indexed forward to today's value is £1,209,885.
  • Based on an internal area of 182 m² and recent prices in Welwyn, this implies a lower and upper quartile range from £854,000 to £1,065,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 44 Mill Lane last sold for £1,300,000 in September 2022.

HouseMetric shows 44 Mill Lane as 182 m² (1,959 sq ft), based on the latest internal area data available for this property.

The latest EPC rating shown by HouseMetric is C, from an inspection dated 12 January 2026. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 44 Mill Lane was in council tax band G. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

44 Mill Lane is in postcode AL6 9ET, in Welwyn. You can also view HouseMetric's sold-price page for Mill Lane, AL6 9ET or analysis of the Welwyn property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 June 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.