12A, Gypsy Lane, Great Amwell, Herts, SG12 9RN

1. 28 Aug 2007

   Received by East Hertfordshire

2. 13 Dec 2007

   Decision issued: Grant Plan Permission

3. 24 Jul 2026

   Added to PlanIndex

East Hertfordshire granted permission on 13 December 2007, 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.

• 10, Gypsy Lane, Great Amwell, Herts, SG12 9RN

  3/08/0620/FP Submitted 2 Apr 2008 50 yards away

  First floor rear extension

  Granted Full applications Extension 3 docs

• Land R/O 18 And 20 Gypsy Lane Great Amwell Hertfordshire SG12 9RN

  3/26/1074/VAR Submitted 31 Jul 2026 50 yards away

  Variation of Condition 2 (Approved Plans), 15 (Parking/Turning), and 20 (Obscure Glazing) pursuant to planning permission ref. 3/24/0969/FUL for: Erection of detached 3 bedroom dwelling with air source heat pump. Amendments to include: Change of roof design and alterations to fenestration.

  Granted Amendments Windows or glazing 8 docs
  Domestic

• 1 Gypsy Lane Great Amwell Hertfordshire SG12 9RL

  3/26/0756/CLPO Submitted 27 May 2026 50 yards away

  85% historically approved · decision due ~12 Aug

  Erection of two-storey rear extension, single storey side extensions and detached outbuilding for a gym/ home office

  Awaiting decision Extension 5 docs
  Small domestic

• 1 Gypsy Lane Great Amwell Hertfordshire SG12 9RL

  3/26/0755/PNHH Submitted 27 May 2026 50 yards away

  85% historically approved · decision due ~22 Jul

  Notification of erection of proposed single storey flat roof rear extension: Depth 8.00 metres, Height 3.00 metres, Eaves height 3.00

  Awaiting decision Extension 4 docs
  Small domestic

• 17 Gypsy Lane Great Amwell Hertfordshire SG12 9RL

  3/26/1270/HH Submitted 9 Sep 2026 50 yards away

  Construction of first floor side extension, and part two-storey, part first-floor side extension with installation of dormers on both sides, replacement of conservatory roof including rooflights, alterations to fenestration; and partial conversion of detached garage with single storey side extension to create ancillary annexe

  Withdrawn Householder Extension Loft or dormer +1 7 docs
  Small domestic

• Rear Of 18-20 Gypsy Lane Great Amwell Ware Hertfordshire SG12 9RN

  3/22/2204/FUL Submitted 19 Oct 2022 100 yards away

  Erection of 1, 3 bedroomed dwelling to include basement, landscaping and access

  Granted Full applications 14 docs
  Domestic

• 3/24/1335/CLE Granted

  41 Mandeville Road Hertford Hertfordshire SG13 8JH

  Erection of front porch, garage conversion and alterations to fenestration.

  Received 16 Jul, published by the council 19 Aug 2026 Lawful development
• 3/21/0076/CLE Refused

  The Pavillion Warrax Park Stanstead Abbotts Hertfordshire SG12 8AR

  Construction of The Pavillion and use as a private dwelling and residential use of the surrounding land as its gardens

  Received 13 Jan, published by the council 24 Jul 2026 Lawful development
• 3/07/1179/CLE Withdrawn

  Sawbridgeworth Football Club Crofters Sawbridgeworth Hertfordshire CM21 0DE

  Portacabins providing additional accommodation for teams and referees including toilet facilities

  Received 7 Jun, published by the council 8 Aug 2026 Lawful development
• 3/08/0418/CL Granted

  Unit 5, Shingle Hall, Trimms Green, Sawbridgeworth, Herts, CM21 0LX

  Motor repair workshop

  Received 3 Mar, published by the council 19 Aug 2026 Lawful development
• 3/07/1564/CL Withdrawn

  Essex Cottage, Snow End, Anstey, Herts, SG9 0BZ

  Building has been occupied as a separate residential unit for more than 4 years

  Received 26 Jul, published by the council 26 Jul 2026 Lawful development