15 Thornton Hill Exeter EX4 4NN

1. 29 May 2026

   Received by Exeter

2. 7 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. 4 Aug 2026

   Decision issued: Was lawful use

Exeter granted permission on 4 August 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.

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.

• 14 Waverley Avenue Exeter EX4 4NL

  26/0065/LED Submitted 15 Jan 2026 50 yards away

  House in Multiple Occupation for six residents (C4 Use) (Certificate of Lawfulness of Existing Use)

  Granted Lawful development 8 docs

• 5 Thornton Hill Exeter EX4 4NJ

  23/0811/FUL Submitted 4 Jul 2023 50 yards away

  Proposed single storey rear extension and flat roof on existing single storey structure

  Granted Full applications Extension 9 docs
  Small domestic

• 6A Thornton Hill Exeter EX4 4NS

  26/0804/FUL Submitted 4 Jun 2026 100 yards away

  Rear two-storey stepped extension, single storey side extension and alterations

  Granted Full applications Extension 18 docs
  Small domestic

• 17 Waverley Avenue Exeter EX4 4NL

  26/0709/FUL Submitted 16 May 2026 100 yards away

  Rear, side infill extension to form kitchen and dining areas

  Granted Full applications Extension 14 docs

• 11 Blackall Road Exeter EX4 4HD

  25/1306/FUL Submitted 23 Sep 2025 100 yards away

  Change of use of dwelling from C3 (Dwellinghouse) to C2 (Residential Institution).

  Granted Full applications 9 docs
  Domestic

• 16 Thornton Hill Exeter EX4 4NS

  24/1309/FUL Submitted 31 Oct 2024 100 yards away

  Single storey extension to outbuilding in rear yard.

  Granted Full applications Extension 13 docs
  Small domestic

• 26/1478/LPD Awaiting decision

  17 Southbrook Road Exeter EX2 6JA

  Loft conversion to include hip to gable and rear dormer.

  Received 5 Oct, published by the council 9 Oct 2026 Lawful development
• 26/1135/LED Granted

  25 East John Walk Exeter EX1 2EP

  House in multiple occupation for four people (C4 use) (Certificate of lawfulness of existing use)

  Received 28 Jul, published by the council 16 Aug 2026 Lawful development
• 26/1225/LPD Granted

  Marcus House, Julius House And Augustus House, New North Road Exeter EX4 4HL

  Replacement external materials including spandrel panels, metal cladding, render and brickwork and insertion of cavity barriers

  Received 13 Aug, published by the council 5 Sep 2026 Lawful development
• 26/1218/LPD Granted

  7 Jennifer Close Exeter EX2 4RB

  Certificate of Lawfulness for proposed demolition of ground floor rear extension and construction of a single storey pitched roof side extension.

  Received 12 Aug, published by the council 2 Sep 2026 Lawful development
• 26/1222/LPD Granted

  53 Argyll Road Exeter EX4 4RX

  Proposed roof conversion and replacement of upper part (superstructure) of an existing rear extension

  Received 12 Aug, published by the council 23 Aug 2026 Lawful development