Property data
Sale history
Date Paid price Annual growth After inflation
Mar 2016 £575,000 5.9% 3.9%
Nov 1999 £225,000 31.6% 29.4%
Jun 1997 £116,500 na na
Floor plan

Archived estate agent floor plan for 421, Watling Street.

Floorplan 421
View floorplan
Internal area
96 square metres (1,033 square feet) according to latest EPC inspection
Price per internal area

This property sold for £5,989 per square metre (£556 per square foot) in Mar 2016. Indexed forward to today's value, this is roughly £7,145 per square metre (£664 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Mar 2016 £575,000 £5,990 £685,965 £7,145
Nov 1999 £225,000 £2,344 £745,297 £7,764
Jun 1997 £116,500 £1,214 £685,655 £7,142

Calculated using the latest EPC internal area of 96 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 £685,965. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Radlett are now selling for between £5,480 and £7,960 per square metre (£509 and £739 per square foot). Based on an internal area of 96 m², this implies a valuation between £526,000 and £764,000. 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
3
Type
Semi-detached
Council tax band
E
Plot size
350 square metres (3,767 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 421 Watling Street. Advertised on multiple portals. It was added on 20/11/2015. It last appeared Feb 2016.
Photos:

There are 7 archived estate agent listing photos for 421 Watling Street.

Photos for 421 Watling Street
View photos
Advertiser remarks:
  • 3 bedrooms
  • 2 bathrooms
Planning applications
Planning ref:
January 2022 21/2172/VOC
Type:
Discharge of conditions imposed on an existing application ; this application involves multiple dwellings
Status:
Application approved
Address:
421 Watling Street Radlett Hertfordshire
Description:
Application for variation of condition 7 (plans) to allow for render to external elevations and removal of the front ramp following grant of planning permission 20/0789/HSE (AMENDED PLANS RECEIVED 15/12/2021).

Planning ref:
November 2021 21/2093/MA
Type:
Amendments or alterations arising from an existing or previous application
Status:
Application refused
Address:
421 Watling Street Radlett Hertfordshire
Description:
Application for a non-material amendment to allow for removal of ramp and render to external wall following the grant of planning permission ref 20/0789/HSE.

Planning ref:
August 2020 20/0789/HSE
Type:
Full and householder planning application
Status:
Application approved
Address:
421 Watling Street Radlett Hertfordshire
Description:
Front garden works to include raising the levels, dropped kerb, installation of car turning table and associated boundary treatment.

Planning ref:
August 2018 18/1329/HSE
Type:
Full and householder planning application
Status:
Application withdrawn before a decision was taken
Address:
421 Watling Street Radlett Hertfordshire
Description:
Drop kerb and vehicular hardstanding to provide two off road parking spaces

Planning ref:
December 2016 16/2043/HSE
Type:
Full and householder planning application
Status:
Application approved
Address:
421 Watling Street Radlett Hertfordshir
Description:
Construction of raised decked patio area with timber balustrades and a new boundary fence.

Planning ref:
July 2016 16/1132/PD42
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application approved
Address:
421 Watling Street Radlett Hertfordshir
Description:
Erection of single storey rear extension. Depth: 6M Height: 4M Eaves: 3M

Planning ref:
May 2016 16/0591/CLP
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application approved
Address:
421 Watling Street Radlett Hertfordshir
Description:
Proposed loft conversion with rear dormer and 2x velux roof lights (Lawful Development Certificate - Proposed)

Planning ref:
May 2016 16/0729/PD42
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application refused
Address:
421 Watling Street Radlett Hertfordshir
Description:
Erection of single storey rear extension:Depth - 6mHeight - 4mHeight of eaves - 3m
EPC Inspections
Summary:
07 May 2015 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
Semi-Detached House , has 5 habitable rooms. Estimated year built 1950 to 1966
Area:
96 sqm (1,033 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, 150 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

421 Watling Street 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 £685,965.
  • Based on an internal area of 96 m² and recent prices in Radlett, this implies a lower and upper quartile range from £526,000 to £764,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 421 Watling Street last sold for £575,000 in March 2016.

HouseMetric shows 421 Watling Street as 96 m² (1,033 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 3 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is D, from an inspection dated 07 May 2015. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 421 Watling Street was in council tax band E. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

421 Watling Street is in postcode WD7 7JG, in Radlett. You can also view HouseMetric's sold-price page for Watling Street, WD7 7JG or analysis of the Radlett property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 4 August 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.