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Ward · St Albans

Planning applications in Harpenden West

PlanIndex holds 463 planning applications from Harpenden West ward, the earliest from 2016, the newest from October 2026. 93% of clear-cut decisions were approvals.

463
Applications since 2016
93%
Approved clear-cut outcomes
76 days
Median decision St Albans, year to December 2026

Applications in Harpenden West

Newest first · page 1 of 10

  • TP/2026/0509 Awaiting decision

    36 Park Avenue North Harpenden Hertfordshire Al5 2Ed

    G1 - 5 lime trees at the front of the house to raise the canopy to approx 5 mentres and remove epicormic growth. This work is all general maintenasnce and to keep mtrees healthy and under control

    Submitted 5 Oct 2026 Trees
  • TP/2026/0505 Awaiting decision

    26 Leyton Road Harpenden Hertfordshire Al5 2Jb

    T1 - Ash - Cut back lateral growth overhanging shed T2 - Beech - Cut back lateral growth towards house. These tree works are required to maintain the size and health of the trees and to provide more light into the garden, also to stop potential future d

    Submitted 2 Oct 2026 Trees
  • TP/2026/0494 Awaiting decision

    17 Rothamsted Avenue Harpenden Hertfordshire Al5 2Dn

    T2 Beech - Crown reduction by 2-3m approx (primary cuts) and thin canopy by 15-20% G1 Cypress - Fell T3 Silver Birch - Crown reduction by 2-3m approx (primary cuts)

    Submitted 28 Sep 2026 Trees
  • TP/2026/0474 Awaiting decision

    12 Bowers Way Harpenden Hertfordshire Al5 4Ew

    Dead Ash tree at the rear on the left side of the back garden.Fell to ground level Diseased Acacia tree, Fell to ground level and grind out stump.

    Submitted 28 Sep 2026 Trees
  • TP/2026/0477 Awaiting decision

    11A Salisbury Avenue Harpenden Hertfordshire Al5 2Qf

    11A Salisbury Avenue Harpenden Hertfordshire Al5 2Qf T1 - 1 x Overgrown Cotoneaster / Himalayan tree.Pollard to height of first branch break.

    Submitted 28 Sep 2026 Trees
  • TP/2026/0475 Awaiting decision

    47 Aplins Close Harpenden Hertfordshire Al5 2Pz

    G1 2 Silver Birch - Crown reduction by 2-2.5m approx and crown lift to the legal limit over highway Hawthorn - Crown reduction by 1-2m (primary pruning points)

    Submitted 28 Sep 2026 Trees
  • TP/2026/0491 Awaiting decision

    The Coppice 25 Douglas Road Harpenden

    Mixed species group on boundary, reduce to previous height.

    Submitted 28 Sep 2026 Trees
  • TP/2026/0490 Awaiting decision

    5 Townsend Lane Harpenden Hertfordshire Al5 2Py

    T1 Beech - Crown reduction by up to 2m approx, give 4m clearance from building and crown lift over the highway to the legal limit 5.2m

    Submitted 28 Sep 2026 Trees
  • 5/2026/1702 Awaiting decision

    2 Victoria Road Harpenden Hertfordshire Al5 4Ea

    Alterations to the fenestration.

    Submitted 17 Sep 2026 Householder
  • TP/2026/0455 Awaiting decision

    7 Salisbury Avenue Harpenden Hertfordshire Al5 2Qq

    Silve birch - felling trees 1, 2, 3, and 5 on safety grounds in significant decline

    Submitted 13 Sep 2026 Trees
  • TP/2026/0452 Decided

    7 Crabtree Lane Harpenden Hertfordshire Al5 5Ta

    T2 Scots Pine – Fell dead tree with tracked MEWP. 5 DAY REQUEST

    Submitted 11 Sep 2026 Trees
  • TP/2026/0451 Awaiting decision

    Topstreet Farmhouse 28 Crabtree Lane Harpenden Hertfordshire Al5 5Nu

    T1 Beech - Crown reduction by 3-4m approx and crown thin by 15-20% The tree has perviously been managed with a similar crown reduction in the past to contain shape and improve light

    Submitted 11 Sep 2026 Trees
  • TP/2026/0442 Awaiting decision

    29 Southdown Road Harpenden Hertfordshire Al5 1Pf

    T1 Silver Birch (poor condition with extensive dieback in upper crown with birch polypore) - Fell

    Submitted 8 Sep 2026 Trees
  • TP/2026/0441 Awaiting decision

    38 Park Avenue North Harpenden Hertfordshire Al5 2Ed

    T1 & T2 Lime trees x 2 to reduce and reshape to 25-30% approx to previous pruning points 2 metres off teh canopy. T3 Lime tree with brace to reduce in height bu approx 2-3 metres below the previous pruning points. This is general maintenance work to keep

    Submitted 8 Sep 2026 Trees
  • TP/2026/0440 Awaiting decision

    The Barn House 15A Southdown Road Harpenden Hertfordshire Al5 1Pd

    T1 Acacia - Crown reduction by 2-3m approx to prevent stem failure due to cavities at base.

    Submitted 7 Sep 2026 Trees
  • TP/2026/0437 Awaiting decision

    28 Park Avenue North Harpenden Hertfordshire Al5 2Ed

    2 Limes - Pollard (back to previous pollard pionts)

    Submitted 4 Sep 2026 Trees
  • 5/2026/1625 Awaiting decision

    72 Crabtree Lane Harpenden Hertfordshire Al5 5Ns

    Rear orangery

    Submitted 3 Sep 2026 Householder
  • TP/2026/0435 Awaiting decision

    29 Station Road Harpenden Hertfordshire Al5 4Xb

    T1 Sequoia - Crown reduction by 3m approx and crown thin by 10%, reduce disproportionate branches further to balance crown and crown clean. Clear growth over highway to 5.2m

    Submitted 3 Sep 2026 Trees
  • TP/2026/0429 Awaiting decision

    39 Leyton Road Harpenden Hertfordshire Al5 2Jb

    T1 Eucalyptus tree at rear to reduce crown by approx 50% (approx 4m) T5 Gleditsia growing close to rear of house to reduce crown approx as previously (1-2m all over) T6 Yew growing close to Gleditsia at rear to reduce height by approx 3m to approx gutter

    Submitted 2 Sep 2026 Trees
  • 5/2026/1599 Awaiting decision

    12 Leyton Green Harpenden Hertfordshire Al5 2Tg

    Installation of AC condenser unit in acoustic enclosure

    Submitted 28 Aug 2026
  • 5/2026/1597 Awaiting decision

    7 Hales Meadow Harpenden Hertfordshire Al5 4Jb

    Installation of air conditioning unit on side wall

    Submitted 28 Aug 2026 Householder
  • TP/2026/0423 Awaiting decision

    Cottage 3 The Bourne Salisbury Avenue Harpenden Hertfordshire Al5 2Ps

    Group of Hornbeam (x3) to reduce by approximately 1.5m height and width, making sure to cut back beyond neighbouring driveway and to clear the roadway. Cut back to clear bin store by 1m

    Submitted 27 Aug 2026 Trees
  • TP/2026/0421 Awaiting decision

    25 Moreton Avenue Harpenden Hertfordshire Al5 2Eu

    Cherry tree - left hand corner of our front garden. Reduce the crown by 30% and also thin out parts of the tree.

    Submitted 27 Aug 2026 Trees
  • 5/2026/1583 Awaiting decision

    42 Luton Road Harpenden Hertfordshire Al5 2Uj

    3m deep, single storey rear extension plus introduction of side door to the existing garage

    Submitted 26 Aug 2026
  • TP/2026/0412 Awaiting decision

    26 Tennyson Road Harpenden Hertfordshire Al5 4Bb

    Fell two no. (Tree No.1 and Tree No. 2 on supplied plan) hawthorn trees which are adjacent to the southern boundary fence.

    Submitted 26 Aug 2026 Trees
  • TP/2026/0410 Awaiting decision

    43 Cowper Road Harpenden Hertfordshire Al5 5Nj

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

    Submitted 25 Aug 2026 Trees
  • TP/2026/0404 Awaiting decision

    9 Kirkwick Avenue Harpenden Hertfordshire Al5 2Qu

    Reduce 3 x Lawson Cypress, 1 x leylandii and 3 x Silver Birche by up to 4 metres each. Reduce overhanging branches from the Sycamore Tree which overhanging garden.

    Submitted 24 Aug 2026 Trees
  • 5/2026/1560 Awaiting decision

    130A Southdown Road Harpenden Hertfordshire Al5 1Pu

    Conversion of an external covered colonnade to office space for a community building including new windows and doors to existing colonnade openings and one new window

    Submitted 20 Aug 2026
  • 5/2026/1558 Granted

    31 Highfield Avenue Harpenden Hertfordshire Al5 5Ub

    Certificate of Lawfulness ( Proposed) - Proposed rear single-storey extension, side single-storey extension and removal of rear chimney stack

    Submitted 20 Aug 2026 Lawful development
  • 5/2026/1538 Awaiting decision

    96 Cowper Road Harpenden Hertfordshire Al5 5Nh

    Variation of Condition 3 (external materials) to change to render finish of planning permission 5/2025/2083 dated 06/01/2026 for First floor front and side extensions, single storey rear extension and roof alterations to the front elevation

    Submitted 13 Aug 2026 Householder
  • 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

    Submitted 12 Aug 2026 Conditions
  • TP/2026/0386 Granted

    25 Rothamsted Avenue Harpenden Hertfordshire Al5 2Dn

    Conifer (front garden) - Fell, this tree is now 55 foot high and is 20 feet in distance from the house (consent given historically to reduce by 30%)

    Submitted 7 Aug 2026 Trees
  • 5/2026/1490 Awaiting decision

    14 Park Avenue South Harpenden Hertfordshire Al5 2Ea

    Construction of replacement dwelling with habitable roof accommodation, outbuildings and swimming pool, alterations to vehicular access and driveway, and associated changes to the garden and landscaping (alternative scheme to extant permission 5/2022/2666

    Submitted 5 Aug 2026
  • 5/2026/1464 Awaiting decision

    26 Cowper Road Harpenden Hertfordshire Al5 5Ng

    Proposed extensions and alterations to 26 Cowper Road, comprising a first floor extension above the existing garage and utility room, including the conversion of the existing garage to provide an enlarged entrance hall, WC and storage, involving the remov

    Submitted 3 Aug 2026 Householder
  • 5/2026/1454 Awaiting decision

    10A Park Avenue South Harpenden Hertfordshire Al5 2Ea

    Erection of front boundary wall with piers, metal railings, new driveway and pedestrian gates

    Submitted 3 Aug 2026 Householder
  • 5/2026/1456 Awaiting decision

    17 Bowers Way Harpenden Hertfordshire Al5 4Ep

    Loft Conversion Including Rear Hip To Gable Extension Plus Addition Of New Dormers & Rooflights

    Submitted 3 Aug 2026 Householder
  • TP/2026/0380 Granted

    23A Douglas Road Harpenden Hertfordshire Al5 2Ep

    (Front garden) Tree 1 Fell to ground level dead Lime tree. (Rear garden) Tree 2 Reduce crown by 50% on Sycamore tree as it's causing excessive shading.

    Submitted 2 Aug 2026 Trees
  • TP/2026/0377 Granted

    The Vinery 6 Salisbury Avenue Harpenden Hertfordshire Al5 2Qg

    Ash (T1) - Crown reduction by 20% (T1) Silver Birch (T2) - fell due to poor quality, Ash (T3) Fell (renewal of previously approved application TP/2021/0300). Seasonal trimming of all boundary hedges.

    Submitted 31 Jul 2026 Trees
  • TP/2026/0374 Granted

    27 Leyton Road Harpenden Hertfordshire Al5 2Jb

    T5 - Sycamore to reduce the crown by 50% to old points to ensure the health of the tree and give light to the undergrowth and allow bio-diversity under the canopy.

    Submitted 30 Jul 2026 Trees
  • TP/2026/0373 Granted

    10 Moreton Avenue Harpenden Hertfordshire Al5 2Et

    T1 Prunus Cerasifera Reduce height and width by 30%.

    Submitted 29 Jul 2026 Trees
  • TP/2026/0369 Granted

    Haddon Court Milton Road Harpenden Hertfordshire Al5 5Na

    Refer to report for full details of works to the following species Limes, Beech, Horse chestnut, Mongolian lime, Common lime, Hornbeam, Crab apple

    Submitted 27 Jul 2026 Trees
  • TP/2026/0368 Granted

    78 Luton Road Harpenden Hertfordshire Al5 2Ur

    (T1) Norway Maple , Re-Pollard to previous pollard points Tree is adjacent property and starting to encroach the building

    Submitted 27 Jul 2026 Trees
  • 5/2026/1418 Awaiting decision

    35 Overstone Road Harpenden Hertfordshire Al5 5Pn

    Proposed Single Storey Rear Extension

    Submitted 24 Jul 2026 Householder
  • TP/2026/0364 Granted

    47 Park Avenue North Harpenden Hertfordshire Al5 2Ee

    G1 - Pines x 3 - Remove to ground level see application for details. T3 - Lime x 1 Reduce the canopy by 1-2 metres to previous points.

    Submitted 23 Jul 2026 Trees
  • 5/2026/1414 Refused

    6 High Street Harpenden Hertfordshire Al5 2Tb

    Prior Approval - Retention of Commercial premises at ground floor level. Change of Use from Class E (Commercial, Business and Service) into Class C3 (Dwellinghouses)

    Submitted 23 Jul 2026 Prior approval
  • TP/2026/0356 Granted

    17 Douglas Road Harpenden Hertfordshire Al5 2En

    G1 Hazel & Purple Leaf Plum - Crown reduction by 1-2m approx (primary cuts) G2 Lime & Portuguese Laurel - Pollard T3 Horse Chestnut - Crown reduction by 2-3m approx (back to previous pruning pionts)

    Submitted 22 Jul 2026 Trees
  • 5/2026/1392 Awaiting decision

    1 Greyfriars Lane Harpenden Hertfordshire Al5 2Qj

    Variation of Condition 4 (obscure glazing & non-opening) to allow standard glazing in the rooflight on the eastern elevation of planning permission 5/2021/1155 dated 24/06/2021 for Two storey dwelling with habitable roof space and double garage following

    Submitted 21 Jul 2026
  • 5/2026/1402 Awaiting decision

    23 Kirkdale Road Harpenden Hertfordshire Al5 2Pt

    Two storey rear and side extension with basement, single storey side, front and rear extension, new porch roof, rebuilding outbuilding gym

    Submitted 21 Jul 2026 Householder
  • 5/2026/1376 Withdrawn

    1 Townsend Lane Harpenden Hertfordshire Al5 2Py

    Two storey side/rear extensions, roof and internal alterations

    Submitted 17 Jul 2026
  • 5/2026/1375 Awaiting decision

    20 Hartwell Gardens Harpenden Hertfordshire Al5 2Rw

    Proposed first floor side extension with new solar panels, new front two-storey extension, part external cladding, replacement rear bay window, along with internal and external alterations and replacement windows

    Submitted 17 Jul 2026 Householder

Show Harpenden West planning applications on your website

A live list of the latest five in the ward, free to use and always current. Made for parish councils and residents' groups. Paste this where you want it to appear. Click the code to select all of it.

<iframe src="https://planindex.co.uk/embed/applications/council/st-albans/ward/harpenden-west" title="Latest planning applications in Harpenden West, St Albans" width="100%" height="500" loading="lazy" frameborder="0"></iframe>
<p>Source: <a href="https://planindex.co.uk/planning-applications/st-albans/ward/harpenden-west">Planning applications in Harpenden West, St Albans</a>, from PlanIndex</p>

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