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28 Rosemary Drive London Colney Hertfordshire Al2 1Ud

5/2026/1715Certificate of Lawfulness - (proposed)Awaiting decision
Outline / PiP
Approximate location: the centre of the postcode, not the exact property.

Proposal

Certificate of Lawfulness (propopsed) - Replacement of 13 existing white-painted timber flush-casement windows with white heritage-style flush-casement uPVC double-glazed windows. The replacement windows will occupy the existing window openings and replic

Received
18 September 2026
Decision due
16 October 2026
Ward
Park Street
  1. Received18 Sep
  2. Validated22 Sep
  3. Consult.16 Oct
  4. Target16 Oct
  5. Decided

Have your say

Comments close on 16 October.

View on the council's site

About this application

This is an outline application for window replacement at 28 Rosemary Drive London Colney Hertfordshire Al2 1Ud. St Albans has handled 912 applications of this type. It has been with the council since 18 September 2026 and is still awaiting a decision. The site is in the Napsbury conservation area. There are no previous applications recorded at this address. In the past year there have been 82 applications across Park Street. We hold 1,041 applications in total for the AL2 postcode area.

71% of outline applications at St Albans City and District Council were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
AL2 1UD
Application type
Certificate of Lawfulness - (proposed)
Scale / size
Small
Parish
London Colney

Planning application dates

Date validated
22 September 2026
Consultation expiry
16 October 2026
Consultation end
16 October 2026
Application expires
16 November 2026

Planning decision

Decision
PENDING
Case officer
Daniel Sands
Statutory period
55 days

Additional information

Planning Portal ID
PP-15234343
Documents
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

  • Conservation area: Napsbury
  • Tree Preservation Order: TPO1293
  • Green belt: St Albans
  • Registered park and garden: Napsbury Hospital
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)

flood storage areas, listed buildings, Article 4 directions, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, 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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For applicants and trades

Before the decision

You may need a tree survey and arboricultural impact assessment. Arboriculturists near this site

Protected trees (TPO) are on or next to this site.

See all arboriculturists near Napsbury Park

Nearest first, within 25 miles of the site. Every firm is listed free.

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