31 Sylvester Road Leiston Suffolk IP16 4BH

1. 19 May 2025

   Received by East Suffolk

2. 21 May 2025

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2025

   Decision issued: Application Permitted

4. 22 Aug 2026

   Added to PlanIndex

East Suffolk granted permission on 24 July 2025, 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.

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.

• 29 Grimsey Road Leiston Suffolk IP16 4BW

  DC/21/4584/FUL Submitted 5 Oct 2021 48m away

  Construction of a single storey garden studio

  Granted Full applications 9 docs
  Small domestic

• The Limes 24 King Georges Avenue Leiston Suffolk IP16 4JG

  DC/26/2629/FUL Submitted 23 Jul 2026 89m away

  92% historically approved · decision due ~17 Sep

  Conversion of 2 storey dwelling and garage to create 10 bed Aparthotel

  Awaiting decision Full applications 9 docs
  Domestic

• Crown House King Georges Avenue Leiston Suffolk IP16 4JX

  DC/26/1068/DRC Submitted 18 Mar 2026 105m away

  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

• 38 King Georges Avenue Leiston Suffolk IP16 4JG

  DC/26/2279/CLP Submitted 22 Jun 2026 156m away

  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 docs
  Domestic

• 29 Seaward Avenue Leiston Suffolk IP16 4BL

  DC/26/1514/CLP Submitted 22 Apr 2026 167m away

  Certificate of Lawful use (Proposed) - Erection of a single storey rear extension to the existing semi-detached dwellinghouse. The extension will be located to the rear of the property and will project 2.9m from the original rear wall, as shown on the submitted drawings. It will extend across part of the rear elevation and will have a flat roof with a maximum external height of 2.9m measured from ground level. The development will be constructed using materials of a similar appearance to the existing dwellinghouse. No changes to access, parking, or boundary treatments are proposed.

  Granted Lawful development Extension 7 docs
  Small domestic

• 37 King Georges Avenue Leiston Suffolk IP16 4JX

  DC/26/0636/CLP Submitted 17 Feb 2026 171m away

  92% historically approved · decision due ~4 May

  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

  Awaiting decision Lawful development 5 docs

• DC/26/3032/CLP Awaiting decision

  Melford House 24 Waveney Road Beccles Suffolk NR34 9NW

  Certificate of Lawful use (Proposed) - single-storey rear extension to an existing dwellinghouse. The property is in lawful use as a single private dwellinghouse (Use Class C3). The existing building was lawfully constructed and occupied as a dwellinghouse and benefits from planning permission/permitted development

  26 Aug 2026 Lawful development
• DC/26/2252/CLE Granted

  57 High Street Wickham Market Woodbridge Suffolk IP13 0HE

  Certificate of lawful Use (Existing) - We installed replacement windows to the side and rear of the property in 2021. We are now selling the property and our buyers mortgage lender and solicitor are insisting on a Lawful Development Certificate. Replacement white UPVC windows include: bathroom at rear upstairs Bedrooms 3x at rear upstairs utility room at rear downstairs overlooks the alley behind the house Lobby x2 at side of property overlooks our own courtyard area kitchen overlooks private courtyard All previous windows were white but wooden so like for like apart from material.

  19 Jun 2026 Lawful development
• DC/26/2939/CLP Awaiting decision

  220 Carlton Road Lowestoft Suffolk NR33 0ND

  Certificate of Lawful Use (Proposed) - The proposed use is as Ofsted-regulated shared supported accommodation for a maximum of three looked-after children or care leavers aged 16 or 17, placed by a local authority. The young people will occupy the property as their main home, each having a private bedroom and sharing the kitchen, bathroom and living areas as one household. Staff will attend on a shift basis to provide day-to-day support with independent-living skills, including cooking, budgeting, cleaning, education, appointments and community participation. Staff will not occupy the property as their sole or main residence. Personal care is not the primary service, but may be provided where specifically identified through an individual assessment and agreed care plan. The property will not operate as a residential care home. The residential use will operate continuously because it is the young peoples home. The premises will not be open to the public and will have no commercial opening hours. No industrial or commercial processes or machinery are proposed, other than normal domestic appliances and equipment. No building works, extension, conversion or external alterations are proposed. The application seeks confirmation that this proposed use remains lawful within Class C3.

  19 Aug 2026 Lawful development
• DC/26/2132/CLP Granted

  Glovers 9 St Pauls Close Aldeburgh Suffolk IP15 5BQ

  Certificate of Lawful Use (Proposed) - Erection of a garden building for purposes incidental to the enjoyment of the dwellinghouse, including storage, in the rear garden of the existing dwelling

  10 Jun 2026 Lawful development
• DC/26/2507/CLP Granted

  Birds Eye Ltd Whapload Road Lowestoft Suffolk NR32 1XQ

  Certificate of Lawful Use (Proposed) - Building of a new extension to the existing Denes 3 factory. This building is to house a new goods lift only.

  14 Jul 2026 Lawful development