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Planning application

PL/25/5670/SA

48 Thornbridge Road Iver Heath Buckinghamshire SL0 0QD

Refused Buckinghamshire Certificate of Lawful Use - Proposed

Proposal

Certificate of Lawfulness for a proposed loft conversion with new dormers to side

As published by the council, reference PL/25/5670/SA

Timeline

Dates from the published record

  1. 17 Nov 2025

    Received by Buckinghamshire

  2. 27 Feb 2026

    Decision issued: Cert of Law PROPOSED-refused

  3. 27 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • PL/25/6657/TP Decided

    3 Cedar Close Iver Heath Buckinghamshire SL0 0QX

    T1 - 2 Small Conifer Trees Fell to ground level. T2 - 2 Small Conifer Trees Fell to ground level. T3 - Pine Tree Crown lift to approximately 5m from ground level removing secondary and tertiary growth only. T4 - Goat Willow Tree Reduce the canopy by approximately 1.2-2m all over. T5 - 2 Laurel Trees Reduce both Laurel trees by approximately 2.5-3.5m in height. T6 - Laurel Hedge (Rear of Garden) Reduce height by approximately 3m, trim garden side with hedge cutter, and remove roadside facing branches impacting the fence. T7 - Oak Tree (Near House) Crown reduce overall by approximately 1.5m. Reduce west side (closest to house) by approximately 2.5m. T8 - Laurel Bush Reduce height by approximately 2.5-3m. T9 - Scots Pine Stump (Dead) Reduce stump to half its current height, leaving the remaining portion as a habitat pole. T10 - Conifer Hedge (By House) Reduce height by approximately 3.5-4.5m and trim all sides with hedge cutter. T11 - Robinia pseudoacacia Tree Crown reduce by approximately 2.5-3m and remove the ivy from the crown and cut 1 meter away from the base. T12 - Conifer Tree (Front Drive, Adjacent to Garage) Fell tree to ground level.

    22 Dec 2025 108m away Trees
  • 197 The Parkway Iver Heath Buckinghamshire SL0 0RQ

    Application for approval of details subject to condition 4 (ecological enhancement) and 5 (bat mitigation) of planning approval PL/25/3585/FA

    9 Jan 2026 175m away Conditions
  • PL/25/5271/TP Granted

    Karibu 22 Cedar Close Iver Heath Buckinghamshire SL0 0QX

    T1 - Scots Pine - Fell. (TPO/SBDC/1989/05)

    10 Nov 2025 216m away Trees
  • OS 274 and OS 193 and OS 205 The Parkway Iver Heath Buckinghamshire

    Notification under Regulation 5 of the Electronic Communications Code (Conditions and Restrictions) Regulations 2003 (as amended) to install 3 x 10M medium wooden poles

    29 Dec 2025 242m away Telecoms
  • PL/26/00327/PNE Granted

    40 Pinewood Green Iver Heath Buckinghamshire SL0 0QG

    Notification under The Town and Country Planning (General Permitted Development) Order 2015, Part 1 of Schedule 2 Class A for: single storey rear extension (depth extending from the original rear wall of 6.00 metres, maximum height 3.00 metres, eaves height 2.8 metres).

    15 Jan 2026 264m away
  • PL/25/5353/PNE Refused

    40 Pinewood Green Iver Heath Buckinghamshire SL0 0QG

    The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6m for which the maximum height would be 3m and for which the height of the eaves would be maximum 2.80m

    7 Nov 2025 264m away

In Buckinghamshire

  • PL/26/00072/SA Granted

    20 Park Meadow Princes Risborough Buckinghamshire HP27 0EB

    Certificate of Lawfulness for proposed extension to vehicle access

    6 Jan 2026 Lawful development
  • PL/26/00257/SA Granted

    4 Ely Close Amersham Buckinghamshire HP7 9HS

    Certificate of Lawfulness propsed to amend the approved application PL/25/0091/SA for 4 Ely Close, Amersham. This is to request planning application for a ground floor bathroom. The proposal is extending the the side room to an overall depth of 270cm to allow for an WC.

    13 Jan 2026 Lawful development
  • PL/26/00262/SA Granted

    84 Webster Road Aylesbury Buckinghamshire HP21 7FL

    Certificate of lawfulness for proposed loft conversion

    13 Jan 2026 Lawful development
  • PL/26/00385/SA Granted

    95 Walton Road Aylesbury Buckinghamshire HP21 7RU

    Certificate of Lawfulness for proposed loft conversion

    14 Jan 2026 Lawful development
  • PL/26/00268/SA Granted

    35 Post Meadow Iver Heath Buckinghamshire SL0 0DU

    Certficate of lawfulness for the proposed loft conversion, rendering of external elevations, alteration of external windows and doors, bedroom enlargement, garage conversion and flue installation.

    14 Jan 2026 Lawful development