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26a Highfield Road Sandridge Hertfordshire AL4 9BX

5/2026/1098Refused
Lawful development certificate

Refused on 19 August 2026

Council decision: Certificate of Lawfulness Refused1 reason for refusal

Approximate location: the centre of the postcode, not the exact property.

Proposal

Certificate of Lawfulness (proposed) - Proposed front porch and front extension at 26a Highfield Road Sandridge Hertfordshire AL4 9BX

Received
8 June 2026
Ward
Sandridge & Wheathampstead
Agent
Divine Design
  1. Received8 Jun
  2. Validated25 Jun
  3. Consult.17 Jul
  4. Target17 Jul
  5. Decided19 Aug

Decided in 55 days

About this application

This is a planning application for a front extension at 26a Highfield Road Sandridge Hertfordshire AL4 9BX. St Albans has handled 12,340 applications of this type. This one was decided in 55 days. There have been 3 other applications at this address. In the past year there have been 108 applications across Sandridge & Wheathampstead. We hold 2,081 applications in total for the AL4 postcode area.

Why it was refused

  1. Based on the information provided to the Local Planning Authority, it would appear that the proposed structure would extend beyond a wall forming a principal elevation of the original dwellinghouse and would therefore fail to comply with Class A (e)(i), Part 1, Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended. In addition, the proposal is not considered to constitute a porch for the purposes of Class D of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 [as amended]. This is because it would appear that the porch would be constructed as a single operation with the rest of the proposed structure. And, in any event, the proposed floorplans show that the existing front door of the dwellinghouse would be removed and a new front door created, and as such the proposed structure would therefore not be constructed outside an external door of the dwellinghouse. Further to this, when assessed against Class D, the proposal would fail to comply with Class D (b) and (c), Part 1, Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended due to the fact that the ground area (measured externally) of the structure would exceed 3 square metres, and part of the structure would be more than 3 metres above ground level. In light of the above, a Certificate of Lawfulness (proposed) cannot be issued, and formal planning permission would be required. Christine Traill Strategic Director – Community and Place Delivery Dated 19/08/2026 First Schedule (Development/Use) - Certificate of Lawfulness (proposed) - Proposed front porch and front extension Second Schedule (Location) - 26a Highfield Road Sandridge Hertfordshire THIS IS AN IMPORTANT DOCUMENT AND IS LIKELY TO BE REQUIRED WHEN YOU COME TO SELL YOUR PROPERTY. YOU ARE ADVISED TO KEEP IT WITH YOUR TITLE DEEDS. Ref No. 5/26/1098 D.C.17

From the council's decision notice.

Application details

Postcode
AL4 9BX
Parish
Sandridge

Planning application dates

Date validated
25 June 2026
Consultation end
17 July 2026
Target decision date
17 July 2026

Applicant and agent

Applicant
Private applicant
Agent
Divine Design

Planning decision

Case officer
Daniel Sands

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Green belt: St Albans
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: St Albans

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