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Planning applications in AL5

PlanIndex holds 1,141 planning applications with AL5 postcodes, the earliest from 2016, the newest from October 2026. 90% of clear-cut decisions were approvals.

1,141
Applications since 2016
90%
Approved clear-cut outcomes
2
Planning authorities

Applications in AL5

Newest first · page 1 of 23

  • TP/2026/0506 Awaiting decision

    Old Bell 177 Luton Road Harpenden Hertfordshire Al5 3Bn

    5 x Oaks to lift to around 3m above ground level, remove deadwood greater than 40mm in diameter. Lift canopies on all Oaks to allow better view of area due to safety concerns & recent damage

    Submitted 5 Oct 2026 Trees
  • 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/2026/0499 Awaiting decision

    9 Tuffnells Way Harpenden Hertfordshire Al5 3Hj

    TPO 1510. English Oak T1 Reduce Crown by circa 4m Reduce overhanging branches To reduce level of shading. Help other plants grow and establish.

    Submitted 30 Sep 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/2026/0488 Awaiting decision

    Woodlands East Common Harpenden Hertfordshire Al5 1Dg

    T1 Oak (fungus Chicken of the Woods - Laetiporus) - Crown reduction by 4-6m approx and thin - precautionary work to prevent stems failing T2 Holly - Crown reduction by 1.5m and shape where required

    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/2026/0490 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
  • TP/2026/0493 Awaiting decision

    19 West Common Grove Harpenden Hertfordshire Al5 2At

    Cypress - Reduce by about 30% in hiehgt and laterally

    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/2026/0465 Awaiting decision

    45 Granby Avenue Harpenden Hertfordshire Al5 5Qp

    T1 Beech - Crown lift over highway to height of 6m to prevent vehicle strike and crown clean only

    Submitted 17 Sep 2026 Trees
  • TP/2026/0466 Awaiting decision

    12 Grange Court Road Harpenden Hertfordshire Al5 1By

    Weeping Willow, rear garden. Pollard back to the original pollard points, as marked on photo. Due to excessive lean and lack of light.

    Submitted 17 Sep 2026 Trees
  • 5/2026/1688 Awaiting decision

    Turners Hall Farm Annables Lane Kinsbourne Green Harpenden Hertfordshire Al5 3Pt

    Certificate of Lawfulness (proposed) - Single storey side extension to existing dwelling house as shown on attached drawings

    Submitted 15 Sep 2026 Lawful development
  • TP/2026/0459 Awaiting decision

    2A Cornwall Road Harpenden Hertfordshire Al5 4Th

    T1 Maple - Crown reduction by 1/1.5m approx (previous pruning pionts)

    Submitted 15 Sep 2026 Trees
  • TP/2026/0458 Awaiting decision

    7 Hammondswick Harpenden Hertfordshire Al5 2Nr

    G1 Mixed Tree Growth - Reduce back over long laterals over highway to achieve legal requirement of 5.2m and 2.4m over footpath

    Submitted 14 Sep 2026 Trees
  • 5/2026/1684 Awaiting decision

    75 Station Road Harpenden Hertfordshire Al5 4Rl

    Erection of a single-storey detached garden room to the rear of the garden, for incidental use as a hobby room

    Submitted 14 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
  • 5/2026/1665 Awaiting decision

    12 Jameson Road Harpenden Hertfordshire Al5 4Hq

    Two and a half storey side extension, single storey front and rear extensions, internal alterations and demolition of existing double garage within rear garden

    Submitted 9 Sep 2026 Householder
  • TP/2026/0443 Awaiting decision

    15 Stewart Road Harpenden Hertfordshire Al5 4Qe

    T2 Willow - Crown reduction by 3-4m approx & crown clean G3 3 Cypress (adjacent to the Willow) - Reduction by 2-4m approx T5 Holly - Fell (stump to remain) T1 Sycamore - Pollard T4 Purple Leaf Plum - Reduce back lateral growth by 1-2m to clear property

    Submitted 9 Sep 2026 Trees
  • 5/2026/1650 Awaiting decision

    Turners Hall Farm Annables Lane Kinsbourne Green Harpenden Hertfordshire Al5 3Pt

    Prior Notification - Single storey rear extension 3.95m in height x 8m in depth with 3.95m height to eaves

    Submitted 8 Sep 2026 Prior approval
  • 5/2026/1657 Awaiting decision

    4 Collens Road Harpenden Hertfordshire Al5 2Aj

    Certificate of Lawfulness (proposed) - Single Storey Rear Extension

    Submitted 8 Sep 2026 Lawful development
  • 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
  • 5/2026/1631 Awaiting decision

    3 Ashcroft Close Harpenden Hertfordshire Al5 1Jj

    Single storey side and rear extensions, loft conversion incorporating a raised roof, rooflights and solar panels, replacement windows, alterations to external openings, roof and fenestration, and alterations to external materials

    Submitted 3 Sep 2026 Householder
  • 5/2026/1625 Awaiting decision

    72 Crabtree Lane Harpenden Hertfordshire Al5 5Ns

    Rear orangery

    Submitted 3 Sep 2026 Householder
  • 5/2026/1628 Awaiting decision

    15 Miley Close Harpenden Hertfordshire Al5 3Ds

    Single storey rear extension

    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
  • 5/2026/1619 Awaiting decision

    Brachefield Redbourn Lane Hatching Green Harpenden Hertfordshire Al5 2Au

    Discharge of Biodiversity Net Gain Condition of planning permission 5/2026/0274 dated 01/06/2026 for Demolition of existing dwelling and erection of 3 dwellings with associated access, parking, amenity space and landscaping

    Submitted 2 Sep 2026 Conditions
  • 5/2026/1618 Awaiting decision

    73 Cravells Road Harpenden Hertfordshire Al5 1Bh

    Single storey rear extension

    Submitted 2 Sep 2026 Householder
  • 5/2026/1621 Awaiting decision

    9 Ashley Gardens Harpenden Hertfordshire Al5 3En

    Certificate of Lawfulness (proposed) - Erection of a fence within boundary of the property

    Submitted 2 Sep 2026 Lawful development
  • 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
  • 5/2026/1613 Awaiting decision

    10 Newton Close Harpenden Hertfordshire Al5 1Sp

    Certificate of Lawfulness (proposed) - Proposed loft conversion with addition of rear box dormer

    Submitted 1 Sep 2026 Lawful development
  • 5/2026/1604 Awaiting decision

    6 The Mews Breadcroft Lane Harpenden Hertfordshire Al5 4Tf

    Garage conversion with new window

    Submitted 1 Sep 2026 Householder
  • 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
  • 5/2026/1598 Awaiting decision

    39 Grove Avenue Harpenden Hertfordshire Al5 1Ey

    Single storey side extension and alterations to fenestration

    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/2026/0418 Awaiting decision

    140 Cravells Road Harpenden Hertfordshire Al5 1Bq

    Pittosporum rear garden - Fell.

    Submitted 26 Aug 2026 Trees
  • TP/2026/0416 Awaiting decision

    6 Maple Cottages West Common Harpenden Hertfordshire Al5 2As

    Cherry Tree reduce back laterals by 1.5 meter approx over hanging neighbours garden number 5. All work carried out to BS3998:2010

    Submitted 26 Aug 2026 Trees
  • 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/2026/0409 Awaiting decision

    Plovers Redbourn Lane Hatching Green Harpenden Hertfordshire Al5 2Jy

    1 x Multi stem Conifer tree (T1 - on sketch plan) in the front garden / driveway entrance area to be removed. 1 x dead Twisted Willow (T2 - on sketch plan) in the rear garden to be removed.

    Submitted 25 Aug 2026 Trees
  • TP/2026/0407 Awaiting decision

    5 Oakfield Road Harpenden Hertfordshire Al5 2Nf

    1 x Apple tree in the rear garden (T1 - on sketch plan) to be reduced back to historic pruning points by around 2 metres. 1 x Apple tree in the rear garden (T2 - on sketch plan) to be reduced lightly by up to 1 metre in places.

    Submitted 25 Aug 2026 Trees

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