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Planning application

Sandon House 13 Seer Mead Seer Green Buckinghamshire HP9 2QL

Granted Buckinghamshire PL/26/02162/SA Certificate of Lawful Use - Proposed

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Certificate of lawfulness for the proposed outbuilding.

As published by the council, reference PL/26/02162/SA

Application record

Reference
PL/26/02162/SA
Type
Certificate of Lawful Use - Proposed
Status
Decided
Decision
Granted As published: Cert of Law PROPOSED-granted
Received
17 Mar 2026
Validated
17 Mar 2026
Decided
12 May 2026
Ward
Chalfont St Giles and Little Chalfont
Parish
Seer Green
Decision by
Delegated Decision
Postcode
HP9 2QL

Site history

Applications at this address on the Buckinghamshire register

This site has had 2 applications since 2026: 2 approved, 0 refused.

  • PL/26/02163/FA Granted

    Sandon House 13 Seer Mead Seer Green Buckinghamshire HP9 2QL

    Loft conversion with front, rear and side rooflights and installation of solar panels to the flat crown roof

    Decided 20 May 2026 Full applications

Timeline

Dates from the published record

  1. 17 Mar 2026

    Received by Buckinghamshire

  2. 12 May 2026

    Decision issued: Cert of Law PROPOSED-granted

  3. 17 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Authorised Designs Ltd Agent, a design practice registered in Berkhamsted

Active · incorporated 2011 · Berkhamsted

94 applications on PlanIndex · across 8 councils · 76% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

Plans, drawings, consultee responses and the officer's report

4 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Buckinghamshire granted permission on 12 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Sandon House 13 Seer Mead Seer Green Buckinghamshire HP9 2QL

    PL/26/02163/FA Submitted 17 Mar 2026 50 yards away

    Loft conversion with front, rear and side rooflights and installation of solar panels to the flat crown roof

    Granted Full applications Loft or dormer 5 docs

  • Queensgate House School Lane Seer Green Buckinghamshire HP9 2QJ

    PL/25/4088/TP Submitted 26 Sep 2025 150 yards away

    T1 English Oak - Reduce height by up to 7m and lateral spread on all sides by up to 3m, to finished crown dimensions of 9m height and 6m lateral spread. T2 English Oak - Remove all deadwood over 40mm in diameter and/or 1m in length. Remove hazardous limb overhanging the driveway. Remove branch fallen within the bush below crown. G1 English - Prune to give up to 1m clearance from phone wires.

    Granted Trees 7 docs

  • 29 Barrards Way Seer Green Buckinghamshire HP9 2YZ

    PL/25/5233/FA Submitted 4 Nov 2025 250 yards away

    Proposed demolition of existing conservatory, single storey rear extension.

    Granted Full applications Extension Demolition 5 docs
    Small domestic

  • Wood Rising Long Grove Seer Green Buckinghamshire HP9 2QH

    PL/25/2048/VRC Submitted 27 Aug 2025 400 yards away

    89% historically approved · decision due ~22 Oct

    Variation of condition 9 (approved plans) of planning permission PL/23/3800/FA (Replacement dwelling) to allow proposed alterations to the building design

    Awaiting decision Conditions 7 docs
    Domestic

  • Wood Rising Long Grove Seer Green Buckinghamshire HP9 2QH

    PL/26/01345/VRC Submitted 11 Mar 2026 400 yards away

    Variation of condition 8 (approved plans) attached to planning permission PL/24/3468/VRC relating to variations to the original permission PL/23/3800/FA (Replacement dwelling) to allow for erection of detached garage

    Refused Conditions 7 docs
    Domestic

  • Woodleigh Grange Long Bottom Lane Seer Green Buckinghamshire HP9 2UL

    PL/25/6754/FA Submitted 23 Dec 2025 400 yards away

    Part-single, part two-storey extension associated remodelling and alterations and erection a detached double garage.

    Refused Full applications Extension 20 docs

In Buckinghamshire

  • PL/26/05794/SA Awaiting decision

    62 Cubb Field Aylesbury Buckinghamshire HP19 7SH

    Certificate of lawfulness for proposed dropped kerb

    Received 10 Aug, published by the council 5 Sep 2026 Lawful development
  • PL/26/01164/SA Refused

    64 Sandholme Steeple Claydon Buckinghamshire MK18 2QE

    Certificate of lawfulness for proposed dropped kerb.

    Received 12 Feb, published by the council 4 Aug 2026 Lawful development
  • PL/26/01589/SA Refused

    3 Corn Mill Close Wing Buckinghamshire LU7 0PL

    Certificate of lawfulness for the proposed single storey rear extension and part garage conversion.

    Received 25 Feb, published by the council 3 Aug 2026 Lawful development
  • PL/26/01721/SA Granted

    Burton House White Lion Road Little Chalfont Buckinghamshire HP7 9LP

    Certificate of lawfulness for the proposed change of use of building from Existing Office Building (Class E) to Veterinary Practice (Class E).

    Received 2 Mar, published by the council 3 Aug 2026 Lawful development
  • PL/26/05825/SA Awaiting decision

    93 Thornton Crescent Wendover Buckinghamshire HP22 6DQ

    Certificate of lawfulness for proposed air conditioning unit to side of house

    Received 20 Jul, published by the council 15 Aug 2026 Lawful development