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34 Elmroyd Avenue Potters Bar Hertfordshire EN6 2EE

26/0912/HSEHouseholder ApplicationRefused
Householder

Refused on 18 September 2026

Council decision: Refuse Permission1 reason for refusal

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

Proposal

Conversion of loft to habitable space to include rear dormer.

Received
3 July 2026
Public comments
1 · last counted 4 November 2026
Ward
Bentley Heath & The Royds
Agent
Iravya Infrastructure LTD
  1. Received3 Jul
  2. Validated3 Jul
  3. Consult.29 Jul
  4. Target28 Aug
  5. Decided18 Sep

Decided in 77 days (council typically 56)

About this application

This is a full planning application for a dormer extension at 34 Elmroyd Avenue Potters Bar Hertfordshire EN6 2EE. Hertsmere has handled 1,861 applications of this type. This one was decided in 77 days, 3 weeks longer than Hertsmere's typical decision time. The site is in the Potters Bar The Royds conservation area. There has been 1 other application at this address. In the past year there have been 108 applications across Bentley Heath & The Royds. We hold 3,353 applications in total for the EN6 postcode area.

90% of full applications at Hertsmere Borough 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.See what's approved near your address

Why it was refused

  1. The proposed development, namely the proposed rear dormer, would give rise to a low level of harm to the significance of The Royds conservation area. Whilst the harm arising would amount to a low level, the harm is considered avoidable and is not clearly justified. Insufficient information and justification have been provided to adequately assess the level of harm, and taking a balanced judgment, no material benefits are considered to arise that would justify the harm that would be caused. The proposal therefore fails to comply with the NPPF 2026, Listed Building and Conservation Area Act 1990, policies SP1, CS14, CS22 of the Core Strategy 2013, Policies SADM29 and SADM30 of the Site Allocations and Development Management Policies Plan 2016, and the Planning and Design Guide Part E, The Royds Estate Conservation Area Appraisal 2014 and The Royds Estate Conservation Area Design Guide

From the council's decision notice.

Application details

Postcode
EN6 2EE
Application type
Householder Application
Scale / size
Small
Parish
No Parish

Planning application dates

Date validated
3 July 2026
Consultation expiry
5 August 2026
Consultation start
8 July 2026
Consultation end
29 July 2026
Neighbour consultation start
9 July 2026
Neighbour consultation end
30 July 2026
Last date for comments
5 August 2026
Target decision date
28 August 2026

Applicant and agent

Applicant
Private applicant
Agent
Iravya Infrastructure LTD
Agent address
299 Katherine Road London E7 8PJ

Planning decision

Case officer
Marcus Truman
Statutory period
56 days

Publicity

Last advertised
15 July 2026
Advertisement expiry
5 August 2026

Additional information

Planning Portal ID
PP-15036514
Documents
25
Constraints
14

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: Potters Bar The Royds
  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (21)

flood storage areas, listed buildings, green belt, 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: Hertsmere

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