197 Sefton Road Stevenage Herts SG1 5RP

1. 27 Nov 2019

   Received by Stevenage

2. 20 Dec 2019

   Decision issued: Certificate of Lawfulness Approved

3. 18 Aug 2026

   Added to PlanIndex

Stevenage granted permission on 20 December 2019, 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.

• 179 Ascot Crescent Stevenage Herts SG1 5SY

  21/00694/CLPD Submitted 18 Jun 2021 100 yards away

  Certificate of lawfulness for proposed single storey rear extension

  Granted Lawful development Extension 7 docs
  Small domestic

• 23 Lingfield Road Stevenage Herts SG1 5SG

  26/00731/FPH Submitted 2 Oct 2026 200 yards away

  88% historically approved · decision due ~27 Nov

  Erection of a single-storey rear extension

  Awaiting decision Extension 5 docs
  Small domestic

• 117 Mildmay Road Stevenage Herts SG1 5RS

  19/00643/FPH Submitted 31 Oct 2019 300 yards away

  Remove existing rear conservatory and erect single storey rear extension

  Granted Householder Extension 5 docs
  Small domestic

• 188 Mildmay Road Stevenage Herts SG1 5SZ

  21/00423/FPH Submitted 21 Apr 2021 300 yards away

  Proposed two storey rear extension

  Granted Householder Extension 5 docs
  Domestic

• 55 Ely Close Stevenage Herts SG1 4NW

  21/00900/CLPD Submitted 16 Aug 2021 350 yards away

  Certificate of lawfulness for proposed single storey rear extension

  Granted Lawful development Extension 5 docs
  Small domestic

• 66 Southwark Close Stevenage Herts SG1 4PQ

  21/00608/HPA Submitted 27 May 2021 350 yards away

  Single storey rear extension which will extend beyond the rear wall of the original house by 4.10 metres, for which the maximum height will be 4.00 metres and the height of the eaves will be 3.00 metres

  Granted Prior approval Extension 11 docs
  Small domestic

• 24/00885/CLPD Refused

  107 Raleigh Crescent Stevenage Herts SG2 0EB

  Lawful Development Certificate (proposed) for a part single, part two storey rear extension.

  Received 18 Dec, published by the council 10 Oct 2026 Lawful development
• 24/00853/CLPD Granted

  32 Shephall Lane Stevenage Herts SG2 8DH

  Lawful Development Certificate (Proposed) single storey side extension

  Received 8 Dec, published by the council 29 Sep 2026 Lawful development
• 24/00852/CLPD Granted

  19 Beane Walk Stevenage Herts SG2 7DP

  Lawful Development Certificate (Proposed) Loft conversion with rear dormer and front rooflights

  Received 5 Dec, published by the council 29 Sep 2026 Lawful development
• 25/00007/CLPD Granted

  13 Twinwoods Stevenage Herts SG1 1RJ

  Lawful Development Certificate (Proposed) for rear extension

  Received 7 Jan, published by the council 29 Sep 2026 Lawful development
• 24/00762/CLPD Granted

  10 Poston Place Stevenage Herts SG2 0BS

  Erection of single storey rear extension and side facing dormer window

  Received 28 Oct, published by the council 28 Aug 2026 Lawful development