12 Lyndon Mead Sandridge Hertfordshire Al4 9Ex

1. 3 Oct 2016

   Received by St Albans

2. 11 Oct 2016

   Validated

   Checked as complete and ready for consideration.

3. 23 Nov 2016

   Decision issued: DC3 Conditional Permission

4. 15 Aug 2026

   Added to PlanIndex

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

• 56 Langley Grove Sandridge Hertfordshire Al4 9Dx

  5/2026/0111 Submitted 22 Jan 2026 113m away

  Certificate of Lawfulness (proposed) - Proposed loft conversion with rear flat roofed dormer and rooflights to the front elevation

  Granted Lawful development Loft or dormer 12 docs

• 27 St Leonards Crescent Sandridge Hertfordshire Al4 9Ej

  5/2016/3009 Submitted 4 Oct 2016 121m away

  Prior Notification - Single storey rear extension 3.4m in height x 4.0m in depth with 2.4m height to eaves

  Granted Prior approval Extension 6 docs
  Small domestic

• 23 Church End Sandridge Hertfordshire Al4 9Dn

  5/2026/0317 Submitted 19 Feb 2026 127m away

  Discharge of Condition 3 (details of materials) of planning permission 5/2025/0719 dated 20/01/2026 for Open porch to front entrance, alterations to openings, replacement windows with change of style. Demolition of existing door canopy. Render to walls.

  Granted Conditions Extension Demolition +1 7 docs
  Small domestic

• 2 Anson Close Sandridge Hertfordshire Al4 9En

  TP/2026/0426 Submitted 28 Aug 2026 139m away

  T9 Lime Crown raise to 3m. Clear basal epicormics to allow inspection of stem. T10 Lime Crown raise to 3m. Clear basal epicormics to allow inspection of stem. T11 Lime Crown raise to 3m. Clear basal epicormics to allow inspection of stem. T12 Lime Crown r

  Decided Trees

• 1 Church End Sandridge Hertfordshire Al4 9Dl

  5/2026/1187 Submitted 19 Jun 2026 167m away

  Listed Building Consent - Retention of the existing loft conversion

  Decided Heritage and listed buildings Loft or dormer 21 docs

• 1 Church End Sandridge Al4 9Dl

  TP/2017/0477 Submitted 12 Sep 2017 167m away

  Fell Blue Spruce & Cherry in rear garden. Reduce 4 Cypress trees to 4m height. Reduce Laurel by 1m & shape.

  Granted Trees 3 docs

• 5/2026/1173 Decided

  6 Longacres St Albans Hertfordshire Al4 0Dr

  Demolition of existing outbuilding and construction of single storey rear extension

  18 Jun 2026 Householder
• 5/2026/0299 Decided

  12 Rowlatt Drive St Albans Hertfordshire Al3 4Nb

  Demolition of existing side and rear extension and construction of a canopy porch, part single, part two storey front, two storey side and single storey rear extension

  17 Feb 2026 Householder
• 5/2026/0318 Refused

  7 Ardens Way St Albans Hertfordshire Al4 9Uw

  Demolition of existing side canopy, detached garage, rear patio and garden shed and the construction of two storey front, side and rear extensions, together with part single storey rear extension and a front porch canopy and extension to driveway

  19 Feb 2026 Householder
• 5/2026/1139 Decided

  50 Fontmell Close St Albans Hertfordshire Al3 5Hu

  Single storey rear extension and side windows with top openers over 1.7m high

  10 Jun 2026 Householder
• 5/2026/0525 Decided

  11 Hillside Road Harpenden Hertfordshire Al5 4Bs

  Garage conversion, with part roof extension and new front porch extension

  17 Mar 2026 Householder