Planning application
83 St Margarets Crescent Leiston Suffolk IP16 4HP
Works: Extension
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Certificate of Lawful Use (Proposed) - Garage conversion, internal remodelling, partial rebuilding of conservatory into habitable room.
As published by the council, reference DC/26/1303/CLP
Application record
- Reference
- DC/26/1303/CLP
- Type
- Lawful Development Certificate(Proposed)
- Status
- Awaiting decision
- Received
- 7 Apr 2026
- Validated
- 7 Apr 2026
- Ward
- Aldeburgh And Leiston
- Parish
- Leiston Cum Sizewell
- Postcode
- IP16 4HP
Site history
Applications at this address on the East Suffolk register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
DC/26/2069/PNH Granted
83 St Margarets Crescent Leiston Suffolk IP16 4HP
Prior Approval (Larger Home Extension) - Replace conservatory with single storey extension of materials to match existing
Timeline
Dates from the published record
-
7 Apr 2026
Received by East Suffolk
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 2 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
East Suffolk took a median of 53 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Philip Morphy Architects Agent, an architecture practice registered in Halstead
Active · incorporated 2005 · Halstead
48 applications on PlanIndex · across 7 councils · 82% 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
6 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 documentsWhat happens while it is decided
This application is with East Suffolk for determination, against a statutory target of eight weeks. Over the last year East Suffolk decided lawful development applications in a median of 52 days. More in our guide to how long planning decisions take.
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
-
83 St Margarets Crescent Leiston Suffolk IP16 4HP
Prior Approval (Larger Home Extension) - Replace conservatory with single storey extension of materials to match existing
Granted Prior approval Extension 8 docsSmall domestic -
Leiston Cemetery Westbrook Drive Leiston Suffolk IP16 4JE
95% historically approved · decision due ~7 Apr
Extension to existing cemetery in Leiston - Change of use from open space into a 3.5m driveway to connect up existing internal and external level access points. Site to be used for burials and ash internments.
Awaiting decision Extension 9 docs -
Johnsons Farm Saxmundham Road Leiston Suffolk
Non Material Amendment of DC/19/1883/ARM - Plot substitutions at plot 149 - Hatfield to Corfe, and at Plots 10 and 11 - replacement of Morden house type with Alnwick
Granted Amendments 12 docs -
Johnsons Farm Saxmundham Road Leiston IP16 4TW
Discharge of condition No 5 of DC/16/1961/OUT - An outline planning application for up to 187 dwellings to include car parking, open space provision with associated infrastructure and access.
Granted Conditions 8 docsMajor scheme -
Land At The Rear Of St Margarets Crescent Leiston Suffolk
Discharge of Condition No. 10 of DC/21/1548/ARM - Approval of Reserved Matters of DC/16/2104/OUT - Erection of 77 dwellings with associated access, infrastructure, landscaping and amenity space - Surface water drainage verification report
Granted Conditions 7 docsMajor scheme -
42 Westward Ho Leiston Suffolk IP16 4HU
93% historically approved · decision due ~25 Jul
Creation of a vehicular access
Awaiting decision Full applications 10 docs
Other lawful development applications
In East Suffolk
-
DC/26/3382/CLP Awaiting decision
1 Dove Road Reydon Southwold Suffolk IP18 6XJ
Certificate of Lawful Use (Proposed) - Ground floor rear extension, internal alterations, floor plan redesign and all associated works
-
DC/26/3331/CLP Awaiting decision
61 Claydon Drive Lowestoft Suffolk NR32 3DZ
Certificate of Lawful use (Proposed) - Construction of a single storey rear extension.
-
DC/26/3220/CLE Awaiting decision
Crown House Low Road Great Glemham Saxmundham Suffolk IP17 2DJ
Continued use as mixed-use residential dwelling and bed and breakfast accommodation.
-
DC/26/3221/CLP Awaiting decision
21 Southfield Drive Leiston Suffolk IP16 4DP
Certificate of Lawful Use (Proposed) - Installation of three new roof windows to convert existing loft space
-
DC/26/2553/CLP Granted
10 Waveney Road Beccles Suffolk NR34 9NW
Certificate of Lawful Use (Proposed) - Garden room. This will be to the rear left of the garden as you look from the front of the house. It is 6870mm wide, 3150mm deep and 2465mm high. It will be used as an office/bar. No new access is required. Ground screws will be used for the base.