4 Spenser Road Harpenden Hertfordshire Al5 5Nn

1. 31 Mar 2026

   Received by St Albans

2. 1 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 4 Jun 2026

   Decision issued: Certificate of Lawfulness Refused

4. 31 Aug 2026

   Added to PlanIndex

St Albans refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 21 Spenser Road Harpenden Al5 5Nw

  TP/2017/0504 Submitted 3 Oct 2017 50 yards away

  Reduce crown of Yew in front garden by 1m. Fell dead Cherry in rear garden.

  Granted Trees 2 docs

• 41 Cowper Road Harpenden Hertfordshire Al5 5Nj

  TP/2025/0546 Submitted 16 Oct 2025 100 yards away

  T1 - Lime, remove to ground level as causing subsidence to 41 Cowper Road AL5 5NJ

  Granted Trees 2 docs

• 57A Cowper Road Harpenden Hertfordshire

  5/2017/2677 Submitted 21 Sep 2017 100 yards away

  Variation of Conditions 1 (approved plans), 2 (obscure glass), 3 (insertion of new windows) & 7 (hardstanding materials) to widen access road and hardstanding of planning permission 5/2015/3651 dated 08/08/2016 for Four semi-detached dwellings with associ

  Refused Windows or glazing 12 docs

• 43 Cowper Road Harpenden Hertfordshire Al5 5Nj

  TP/2026/0410 Submitted 25 Aug 2026 100 yards away

  98% historically approved · decision due ~21 Oct

  Rear left corner of the garden. Holly tree. Remove tree completely.

  Awaiting decision Trees 2 docs

• 67 Cowper Road Harpenden Hertfordshire Al5 5Nj

  5/2017/2928 Submitted 15 Oct 2017 100 yards away

  First floor side and rear with front and rear dormer windows and rooflights, single storey front infill extensions with partial garage conversion, enlargement of existing front dormer window, alterations to openings, flat roof to existing rear extension

  Granted Householder Extension Loft or dormer +1 11 docs
  Small domestic

• 55 Cowper Road Harpenden Hertfordshire Al5 5Nj

  5/2026/0444 Submitted 9 Mar 2026 100 yards away

  Demolition of existing conservatory and construction of single storey rear extension and part side wrap around

  Granted Householder Extension Demolition 15 docs
  Small domestic

• 5/2026/1638 Granted

  1 Castle Rise Wheathampstead Hertfordshire Al4 8Hx

  Certificate of Lawfulness (proposed) - Proposed loft hip to gable with rear dormer, internal alterations and all associated works at 1 Castle Rise, AL4 8HX

  Received 7 Sep, published by the council 13 Sep 2026 Lawful development
• 5/2026/1622 Granted

  9 Necton Road Wheathampstead Hertfordshire Al4 8At

  Certificate of Lawfulness (proposed) - Dormer to rear elevation to existing bedroom. new window to rear

  Received 2 Sep, published by the council 13 Sep 2026 Lawful development
• 5/2026/1561 Granted

  125 New House Park St Albans Hertfordshire Al1 1Uh

  Certificate of Lawfulness (existing) - The retrospective development comprises minor external alterations to the rear elevation of the dwellinghouse at 125 New House Park. The applicant seeks a Certificate of Lawfulness (Existing) under Section 191 of the

  Received 21 Aug, published by the council 31 Aug 2026 Lawful development
• 5/2026/1772 Awaiting decision

  14 Ashley Road St Albans Hertfordshire Al1 5Da

  Certificate of Lawfulness (Proposed) - Loft Conversion, Hip to gable, Rear dormer

  Received 29 Sep, published by the council 11 Oct 2026 Lawful development
• 5/2026/1759 Awaiting decision

  2 Grimston Road St Albans Hertfordshire Al1 5Ep

  Certificate of Lawfulness (Proposed) - Erection of a single-storey detached timber log cabin with a pent (mono-pitch) roof in the rear garden, for purposes incidental to the enjoyment of the dwellinghouse (domestic storage and hobby workshop). Footprint 9

  Received 28 Sep, published by the council 11 Oct 2026 Lawful development