Planning application
37 King Georges Avenue Leiston Suffolk IP16 4JX
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) - a) Non structural works to inside the main property such as adding a ensuite to downstairs bedroom. Converting garage to habitable space. Connecting two new bathrooms to the existing drains. Upgrading fire protection throughout property including fire doors, grade A fire system, emergency lighting, smoke detectors, push button fire alarms. Upgrading thermal values of property where needed. Upgrading electrical board to comply with regulations working alongside building control. b) Converting detached garage into garden habitable space that includes self contained kitchenette. Ensuite and bedroom space. Upgraded thermal properties, electrical and drain supply. Without changing the look of the structure
As published by the council, reference DC/26/0636/CLP
Application record
- Reference
- DC/26/0636/CLP
- Type
- Lawful Development Certificate(Proposed)
- Status
- Awaiting decision
- Received
- 17 Feb 2026
- Validated
- 9 Mar 2026
- Ward
- Aldeburgh And Leiston
- Parish
- Leiston Cum Sizewell
- Postcode
- IP16 4JX
Timeline
Dates from the published record
-
17 Feb 2026
Received by East Suffolk
-
9 Mar 2026
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 4 May 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.
Documents
Plans, drawings, consultee responses and the officer's report
5 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.
Trade members open them 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 500 metres
-
38 King Georges Avenue Leiston Suffolk IP16 4JG
Certificate of Lawful Use (Proposed) - Change of use from a Class C3 dwellinghouse to a small House in Multiple Occupation (Class C4). The proposal comprises internal layout alterations only, with no significant external alterations. No machinery or plant will be installed, and no commercial or industrial processes will be undertaken. The property will remain in residential use on a normal 24-hour basis. Associated internal alterations and minor external renovation works only, required in connection with the change of use from a Class C3 dwellinghouse to a Class C4 House in Multiple Occupation (for up to three occupants). No alterations are proposed to the existing access, parking arrangements, hardstanding, boundary treatments, drainage, or the external footprint of the building.
Granted Lawful development 9 docsDomestic -
The Limes 24 King Georges Avenue Leiston Suffolk IP16 4JG
93% historically approved · decision due ~17 Sep
Conversion of 2 storey dwelling and garage to create 10 bed Aparthotel
Awaiting decision Full applications 9 docsDomestic -
62 King Georges Avenue Leiston Suffolk IP16 4JG
Certificate of Lawful Use (Proposed) - As described above/previously - change of use only from a C3 dwelling house to a C4 use class HMO. Internal layout works only required and no significant/material external changes. Change of use from C3 dwellinghouse to C4 use class House in Multiple Occupation (up to 6 persons ).
Granted Lawful development 9 docsDomestic -
Crown House King Georges Avenue Leiston Suffolk IP16 4JX
Discharge of Condition No. 7 of DC/23/3550/FUL - Details of conversion works to the former Crown Hotel public house to form 11 bed HMO following planning appeal for change of use, APP/X3540/W/3308126 The Crown, King Georges Avenue, Leistion IP10 4JX - Electric vehicle charging points
Granted Conditions 5 docs -
Leiston Primary School King Georges Avenue Leiston Suffolk IP16 4JQ
Certificate of Lawfulness - Proposed - Erection of ancillary outbuilding within the curtilage of the school- incidental to the existing Class F1 use of the school, for use as extra classroom space.
Granted Lawful development 9 docs -
31 Sylvester Road Leiston Suffolk IP16 4BH
Certificate of Lawful Use (Proposed) - Adding windows and convert garage
Granted Lawful development Windows or glazing 7 docs
Other lawful development applications
In East Suffolk
-
DC/26/3180/CLP Awaiting decision
Clays Ltd Popson Street Bungay Suffolk NR35 1ED
Lawful Development Certificate(Proposed) - Erection of solar PV to pitched roofs
-
DC/26/3172/CLE Awaiting decision
Manor House Manor Road Clopton Woodbridge Suffolk IP13 6SH
Certificate of lawful Use (Existing) - Proposed retention of summerhouse.
-
DC/26/3123/CLP Awaiting decision
Pleasurewood Hills American Theme Park Leisure Way Lowestoft Suffolk NR32 5DZ
Certificate of Lawful use (Proposed) - Operation of the Amusement Park until 9:00PM on up to 7 days per calendar year & until 10:00PM on up to 7 days per calendar year.
-
DC/26/2481/CLP Granted
Rookery Park Middleton Road Yoxford Saxmundham Suffolk IP17 3LQ
Certificate of Lawful Use (Proposed) - The private dwelling house will remain unaltered and will continue to be used as one dwelling however it is proposed this will be used for short term holiday lets.
-
DC/26/3088/CLP Awaiting decision
Ivy Grange Farm Butts Road Westhall Halesworth Suffolk IP19 8RN
Certificate of Lawful use (Proposed) - Installation of a Mobile Home