1 Avenue St Nicholas Harpenden Hertfordshire Al5 2De

This site has had 3 applications since 2017: 2 approved, 0 refused.

• 5/2025/2330 Awaiting decision

  1 Avenue St Nicholas Harpenden Hertfordshire Al5 2De

  Construction of part single, part two storey rear extension, new end of garden outbuilding, new external hard landscaping and associated alterations to the existing house. First floor side elevation openings. Enlargement to rear dormer. Materials changes.

  Submitted 22 Dec 2025 Householder
• 5/2017/3242 Granted

  1 Avenue St Nicholas Harpenden Hertfordshire Al5 2De

  Single storey side extension, part single, part two storey rear extension, insertion of windows, alterations to openings and installation of rooflights following demolition of existing rear extension. Removal of main chimney stack (resubmission following

  Decided 20 Feb 2018 Householder

1. 27 Sep 2017

   Received by St Albans

2. 28 Sep 2017

   Validated

   Checked as complete and ready for consideration.

3. 23 Nov 2017

   Decision issued: Discharge of Condition - Approved

4. 25 Aug 2026

   Added to PlanIndex

St Albans granted permission on 23 November 2017, 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 3 Avenue St Nicholas Harpenden Al5 2De

  TP/2017/0658 Submitted 18 Dec 2017 50 yards away

  1 x Hazel, 1 x Oak, 1 x Sycamore - Reduce back to previous pollard points.

  Granted Trees 2 docs

• 1 Avenue St Nicholas Harpenden Hertfordshire Al5 2De

  5/2017/3242 Submitted 16 Nov 2017 50 yards away

  Single storey side extension, part single, part two storey rear extension, insertion of windows, alterations to openings and installation of rooflights following demolition of existing rear extension. Removal of main chimney stack (resubmission following

  Granted Householder Extension Loft or dormer +2 12 docs
  Small domestic

• 1 Avenue St Nicholas Harpenden Hertfordshire Al5 2De

  5/2025/2330 Submitted 22 Dec 2025 50 yards away

  89% historically approved · decision due ~17 Feb

  Construction of part single, part two storey rear extension, new end of garden outbuilding, new external hard landscaping and associated alterations to the existing house. First floor side elevation openings. Enlargement to rear dormer. Materials changes.

  Awaiting decision Householder Extension Loft or dormer 39 docs
  Small domestic

• 4 The Drive Harpenden Hertfordshire Al5 2El

  TP/2026/0308 Submitted 23 Jun 2026 100 yards away

  T3 Cherry - Fell G2 Sycamore & Ash - Crown reduction by 3-4m approx Lawson Cypress Group - Reduction in height by 3-4m approx T1 Lawson Cypress (suffering)

  Granted Trees 5 docs

• 11 Rothamsted Avenue Harpenden Hertfordshire Al5 2Dd

  TP/2025/0614 Submitted 23 Nov 2025 100 yards away

  T2 Sycamore - Crown reduction by. 3-4m approx (primary cuts) and crown clean T1 Oak - Crown reduction by 3-4m approx (primary cuts) & crown clean. Removal of basil growth and crown lift south side to balance.

  Granted Trees 4 docs

• 15A Rothamsted Avenue Harpenden Al5 2Dd

  TP/2017/0539 Submitted 18 Oct 2017 100 yards away

  Reduce Laurel hedge to 4m height. Fell dead Hawthorn (exempt work for latter tree).

  Granted Trees 3 docs

• 5/2025/1067 Granted

  Falconers Cottage 1 Falconers Field Harpenden Hertfordshire Al5 3Eu

  Discharge of Conditions 4 (external materials) and 6 (development progress report) of planning permission 5/2021/3048 dated 09/04/2024 for Demolition of existing dwelling and construction of two dwellings with off road car parking spaces and new cross ove

  Received 30 May, published by the council 13 Sep 2026 Conditions
• 5/2026/1415 Granted

  St Lukes School Crouch Hall Lane Redbourn Hertfordshire Al3 7Et

  Discharge of Condition 10 (groundwater contamination) of planning permission 5/2024/1710 dated 03/07/2025 for Demolition of existing gym building and store and shed structures and construction of a training caf� building for young people with Special Educ

  Received 24 Jul, published by the council 9 Aug 2026 Conditions
• 5/2026/1527 Granted

  11B Douglas Road Harpenden Hertfordshire Al5 2En

  Discharge of Condition 5 (tree protection plan and arboricultural method statement) of planning permission 5/2025/0568 dated 06/02/2026 for Two storey front extension, single storey front and rear extensions with roof lights, solar panels to rear roof slo

  Received 12 Aug, published by the council 25 Aug 2026 Conditions
• 5/2026/1113 Granted

  St Germains Barn Adjacent To Grebe House St Michaels Street St Albans Hertfordshire Al3 4Sn

  Discharge of Conditions 3 (repair methodology), 4 (larger scale detailed plans and drawings) and 7(Historic building recording Level 3 report) of planning permission 5/2024/1483 dated 14/03/2025 for Listed Building Consent - Change of use and conversion o

  Received 9 Jun, published by the council 24 Jul 2026 Conditions
• 5/2026/1680 Awaiting decision

  143 - 145 Harper Lane Shenley Radlett Hertfordshire Wd7 9Hg

  Discharge of condition 3 (samples of the materials), 6 (hard and soft landscape), 7 ( Soft landscape), 12 (provision of cycle parking) and 13 Construction Management Statement) of planning permission 5/2023/2462 dated 13/11/2025 for Demolition of existi

  Received 14 Sep, published by the council 23 Sep 2026 Conditions