Planning Applications in Harpenden, Hertfordshire

Planning authority: St Albans City and District Council

Search current and historic planning applications in Harpenden, Hertfordshire, published by St Albans City and District Council - 174 in the last 90 days. Explore them on the map, apply detailed filters, or receive free alerts for new proposals.

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Showing 50 of 174 applications
5 Oct 2026 Under Consideration 5/2026/1804

15 Hammondswick Harpenden Hertfordshire AL5 2NR

email - planda portal

PPOR St Albans
5 Oct 2026 Awaiting Validation TP/2026/0509

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...

AVA St Albans
5 Oct 2026 Awaiting Validation TP/2026/0506

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 ar...

AVA St Albans
5 Oct 2026 Pending 5/2026/1796

1 Hitherfield Lane Harpenden AL5 4JD

Proposal: Construction of a single storey orangery and garden store extension with a hipped tiled roof, Velux roof lights and casement doors and windo...

PPOR St Albans
5 Oct 2026 Pending 5/2026/1798

42 A West Common Harpenden AL5 2JW

Proposed demolition of garage and re build of first floor raising the roof with extension to the south elevation and internal alterations

PPOR St Albans
2 Oct 2026 Awaiting Validation TP/2026/0505

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 th...

AVA St Albans
1 Oct 2026 Under Consideration 5/2026/1805

Unit 6 And Unit 7 Batford Mill Lower Luton Road Harpenden Hertfordshire AL5 5ES

***NMA***PP-15265569

PPOR St Albans
1 Oct 2026 Under Consideration 5/2026/1803

12 Hartwell Gardens Harpenden Hertfordshire AL5 2RW

PP-15265946

PPOR St Albans
1 Oct 2026 Under Consultation TP/2026/0499

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.

TPO St Albans
1 Oct 2026 Under Consultation TP/2026/0477

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.

TCA St Albans
1 Oct 2026 Under Consultation TP/2026/0382

Wedgewood Hyde East Common Harpenden AL5 1DD

Conifer Tree X1 Approx 16M high remove

AVA St Albans
30 Sept 2026 Pending 5/2026/1780

12 Avenue St Nicholas Harpenden Hertfordshire AL5 2BX

Rear roof extension comprising 3 related dormers

PPOR St Albans
30 Sept 2026 Pending 5/2026/1776

Unit 6 & 7 Batford Mill Lower Luton Road Harpenden AL5 5ES

Variation of Condition 2 (approved plans) to revise internal layout of four storey building comprising eight flats to incorporate a passenger lift of ...

PPOR St Albans
30 Sept 2026 Pending 5/2026/1775

32 West Way Harpenden Hertfordshire AL5 4RD

Part single storey, part two storey side and rear extension, new hipped crown roof and loft conversion with roof lights and dormer, new front bay wind...

PPOR St Albans
29 Sept 2026 Pending 5/2026/1774

16 Lea Road Harpenden Hertfordshire AL5 4PG

Demolition of existing conservatory and erection of single-storey rear extension and proposed pitched roof rear dormer to existing loft conversion

PPOR St Albans
29 Sept 2026 Pending 5/2026/1766

4 Grange Court Road Harpenden Hertfordshire AL5 1BY

The construction of a new single-storey rear extension, two single-storey first floor side extensions, new garage and a loft conversion. With demoliti...

PPOR St Albans
29 Sept 2026 Pending 5/2026/1765

61 Ambrose Lane Harpenden Hertfordshire AL5 4BU

Proposed two and single storey rear extensions, single storey front extension and entrance canopy and new garden gate and brick wall

PPOR St Albans
29 Sept 2026 Under Consultation TP/2026/0474

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.

TCA St Albans
29 Sept 2026 Under Consultation TP/2026/0475

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 prunin...

TCA St Albans
29 Sept 2026 Under Consultation TP/2026/0488

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 - C...

TCA St Albans
29 Sept 2026 Under Consultation TP/2026/0490

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

TCA St Albans
29 Sept 2026 Under Consultation TP/2026/0491

The Coppice 25 Douglas Road Harpenden

Mixed species group on boundary, reduce to previous height.

TCA St Albans
29 Sept 2026 Under Consultation TP/2026/0493

19 West Common Grove Harpenden Hertfordshire AL5 2AT

Cypress - Reduce by about 30% in hiehgt and laterally

TCA St Albans
29 Sept 2026 Under Consultation TP/2026/0494

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 ...

TCA St Albans
28 Sept 2026 Under Consideration 5/2026/1794

3- 5 Roundwood Gardens Harpenden Hertfordshire AL5 3AJ

***CON***Email

PPOR St Albans
25 Sept 2026 Under Consideration PAV/2026/0019

18 High Street Harpenden Hertfordshire AL5 2TA

Tables 11, Chairs 34, Umbrellas 1

PAV St Albans
24 Sept 2026 Pending 5/2026/1753

33 Oakfield Road Harpenden Hertfordshire AL5 2NP

PPOR St Albans
24 Sept 2026 Pending 5/2026/1746

7 Oakhurst Avenue Harpenden Hertfordshire AL5 2NB

Post - ppf requested

PPOR St Albans
24 Sept 2026 Pending 5/2026/1747

12 The Deerings Harpenden Hertfordshire AL5 2PE

post - ppf requested

PPOR St Albans
24 Sept 2026 Pending 5/2026/1745

11 The Uplands Harpenden Hertfordshire AL5 2PG

Post - ppf requested

PPOR St Albans
24 Sept 2026 Under Consideration 5/2026/1744

5 Carisbrooke Road Harpenden Hertfordshire AL5 5QS

PP-15246508

PPOR St Albans
24 Sept 2026 Pending 5/2026/1732

4 Spenser Road Harpenden Hertfordshire AL5 5NN

PPOR St Albans
24 Sept 2026 Pending 5/2026/1731

10 Maple Road Harpenden Hertfordshire AL5 2DU

PPOR St Albans
23 Sept 2026 Under Consideration 5/2026/1737

17 Manor Close Harpenden Hertfordshire AL5 2GT

PP-15243358

PPOR St Albans
22 Sept 2026 Under Consultation TP/2026/0466

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.

TCA St Albans
21 Sept 2026 Under Consideration 5/2026/1724

24 Westfield Drive Harpenden Hertfordshire AL5 4LP

PP15236366

PPOR St Albans
21 Sept 2026 Pending 5/2026/1721

6 Willoughby Road Harpenden Hertfordshire AL5 4PF

PPOR St Albans
21 Sept 2026 Under Consultation TP/2026/0325

132 Cravells Road Harpenden Hertfordshire AL5 1BQ

The trees are tall fir trees on the boundary of 130 and 132 Cravells Road. The trees are at the bottom of the gardens and are of some concern to the r...

TCA St Albans
18 Sept 2026 Under Consultation 5/2026/1702

2 Victoria Road Harpenden Hertfordshire AL5 4EA

Alterations to the fenestration.

PPOR St Albans
18 Sept 2026 Under Consultation TP/2026/0465

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

TPO St Albans
17 Sept 2026 Pending 5/2026/1703

40 Barnfield Road Harpenden Hertfordshire AL5 5TN

Erection of a shepherd's hut

PPOR St Albans
17 Sept 2026 Pending 5/2026/1705

7 Courtfields Harpenden Hertfordshire AL5 5RX

Construction of a single-storey front extension incorporating a new pitched roof with rooflights, new entrance door with glazed sidelights, and altera...

PPOR St Albans
16 Sept 2026 Under Consultation TP/2026/0459

2A Cornwall Road Harpenden Hertfordshire AL5 4TH

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

TCA St Albans
16 Sept 2026 Under Consultation TP/2026/0458

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

TPO St Albans
15 Sept 2026 Under Consultation 5/2026/1684

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

HSE St Albans
15 Sept 2026 Under Consultation 5/2026/1613

10 Newton Close Harpenden Hertfordshire AL5 1SP

***CLP***

INC St Albans
14 Sept 2026 Under Consideration TP/2026/0455

7 Salisbury Avenue Harpenden Hertfordshire AL5 2QQ

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

TCA St Albans
11 Sept 2026 Under Consideration TP/2026/0451

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 ...

TPO St Albans
11 Sept 2026 Approved 16 Sep TP/2026/0452

7 Crabtree Lane Harpenden Hertfordshire AL5 5TA

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

TPO St Albans
11 Sept 2026 Under Consideration TP/2026/0443

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 re...

TCA St Albans
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Data updated daily. Source: St Albans City and District Council planning portal.