Skip to content
PlanIndex Get alerts
Menu

Planning application

46 Lymington Avenue Leigh-on-sea Essex SS9 2AU

Granted Southend-on-Sea 26/00556/CLP Certificate of Lawfulness (Proposed)

Works: Extension Loft or dormer Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Single storey rear and side extension with rooflights and glazing (Lawful Development Certificate - Proposed)

As published by the council, reference 26/00556/CLP

Application record

Reference
26/00556/CLP
Type
Certificate of Lawfulness (Proposed)
Status
Permitted
Decision
Granted As published: Grant Lawful Dev Certificate (Proposed)
Received
23 Apr 2026
Validated
23 Apr 2026
Decided
15 Jun 2026
Ward
Leigh
Parish
Leigh Town Council
Decision by
Delegated
Postcode
SS9 2AU

Timeline

Dates from the published record

  1. 23 Apr 2026

    Received by Southend-on-Sea

  2. 15 Jun 2026

    Decision issued: Grant Lawful Dev Certificate (Proposed)

  3. 19 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Knight Gratrix Architects Agent, an architecture practice

94 applications on PlanIndex · across 2 councils · 87% 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

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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Southend-on-Sea granted permission on 15 June 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

  • 19 Lymington Avenue Leigh-on-sea Essex SS9 2AU

    23/00678/GPDE Submitted 21 Apr 2023 100 yards away

    Erect single storey rear extension, projecting 5.5m beyond the existing rear wall of the dwelling, 2.5m high to eaves and with a maximum height of 4m

    Decided Extension 6 docs
    Small domestic

  • 11 Lymington Avenue Leigh-on-sea Essex SS9 2AU

    21/01586/CLP Submitted 2 Aug 2021 100 yards away

    Outbuilding to rear (Lawful Development Certificate - Proposed)

    Granted Lawful development 7 docs

  • 3 Southsea Avenue Leigh-on-sea Essex SS9 2AX

    26/00862/FULH 100 yards away

    86% historically approved

    Demolish existing conservatory, erect part single part two storey rear/side extension, alteration to elevations

    Decided Extension Demolition

  • 3 Southsea Avenue Leigh-on-sea Essex SS9 2AX

    22/02312/FULH Submitted 1 Dec 2022 100 yards away

    Erect part single/part two storey rear/side extension (Amended Proposal)

    Granted Householder Extension 8 docs
    Domestic

  • 23B Southsea Avenue Leigh-on-sea Leigh-On-Sea Essex SS9 2AX

    21/01168/FUL Submitted 1 Jun 2021 100 yards away

    Erect dormer to rear to form habitable accommodation in the loftspace and rooflights to the front (Amended Proposal)

    Granted Full applications Loft or dormer 10 docs

  • 1 Lymington Avenue Leigh-on-sea Essex SS9 2AU

    24/01434/CLP Submitted 9 Sep 2024 150 yards away

    Loft conversion with rear dormer to form habitable accommodation, removal of chimney and roof lights to front (Lawful development certificate - proposed)

    Granted Lawful development Loft or dormer

In Southend-on-Sea

  • 26/01070/CLP Granted

    58 Ronald Park Avenue Westcliff-on-sea Essex SS0 9QN

    Dormer to rear to form habitable accommodation in the loft space and rooflights to front (certificate of lawful development - proposed)

    Received 11 Aug, published by the council 14 Aug 2026 Lawful development
  • 26/01065/CLP Granted

    1132 London Road Leigh-on-sea Essex SS9 2AJ

    Dormer to rear and rooflights to front to form habitable accommodation in the loftspace and single storey side/rear extension (certificate of lawful development - proposed)

    Received 10 Aug, published by the council 14 Aug 2026 Lawful development
  • 26/01018/CLP Refused

    92 Vardon Drive Leigh-on-sea Essex SS9 3SQ

    Hip to gable roof extension with dormer to rear and rooflights to front to form habitable accommodation in the loftspace (certificate of lawful development - proposed)

    Received 30 Jul, published by the council 8 Aug 2026 Lawful development
  • 26/01008/CLP Granted

    61 Flemming Avenue Leigh-on-sea Essex SS9 3AN

    Hip to gable loft conversion, rooflights to front, and dormer to rear with Juliet balcony to create habitable accommodation in roof space (Lawful Development Certificate - Proposed).

    Received 29 Jul, published by the council 8 Aug 2026 Lawful development
  • 26/01020/CLP Granted

    66 Marlborough Road Southend-on-sea Essex SS1 2UD

    Single storey side extension (Lawful Development Certificate - Proposed)

    Received 31 Jul, published by the council 8 Aug 2026 Lawful development