Planning applications in Harpenden
Town Crier is tracking 124 planning applications in Harpenden.
Status breakdown
- Undecided75
- Granted with conditions32
- Granted13
- Refused2
- Withdrawn2
Recent applications
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StAlbans/5/2026/0387
Undecided54 Alzey Gardens Harpenden Hertfordshire Al5 5Sy
Two storey side, rear and front extension, porch canopy, garage conversion, landscaping to front garden to provide off street parking, alterations to external o…
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StAlbans/5/2026/0388
Granted with conditions9 Aldwickbury Crescent Harpenden Hertfordshire Al5 5Rs
Part single storey front extension with pitched roof to existing extension and alterations to openings
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StAlbans/TP/2026/0121
Undecided23 Haddon Court Shakespeare Road Harpenden Hertfordshire Al5 5Nb
T1-Rowan tree to reduce all around by 1-2 metres to maintain it's shape and size for the area.
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StAlbans/TP/2026/0124
Undecided42 Cowper Road Harpenden Hertfordshire Al5 5Ng
T1 - Norway Maple: Reduce back to previous pruning points.
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StAlbans/TP/2026/0126
UndecidedSt Nicholas Church Church Green Harpenden Hertfordshire Al5 2Tp
Holly Tree (T1) - Removed to ground level. Holly Tree (T2) - Removed to ground level. Conifer Tree (T3) - Removal of leaning stem. - Lifting crown to 20 ft.
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StAlbans/TP/2026/0083
Granted10 Arden Grove Harpenden Hertfordshire Al5 4Sj
None of the trees to be be prunned are protected by tree preservation orders. I am seeking permission to prune because my garden is in a Conservation Area. Plea…
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StAlbans/5/2026/0647
UndecidedLand At The Rear Of 2 & 4 Barnfield Road Harpenden Hertfordshire Al5 5Tn
Erection of a detached dwelling with new vehicular access
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StAlbans/5/2017/2180
Granted with conditions16 Crabtree Lane Harpenden Hertfordshire Al5 5Tb
Rear dormer window (retrospective)
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StAlbans/5/2017/2209
Granted with conditionsTopstreet Farmhouse 28 Crabtree Lane Harpenden Hertfordshire Al5 5Nu
Discharge of Condition 5 (written schemes of investigation) of Listed Building consent 5/2017/1591 dated 26/07/2017 for Replacement render
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StAlbans/5/2025/0265
Granted with conditions15 Leyton Road Harpenden Hertfordshire Al5 2Hy
Variation of Condition 6 (windows and doors) - to become a compliance condition not requiring formal discharge - of planning permission 5/2024/1174 (Variation o…
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StAlbans/5/2026/0672
Undecided49 Topstreet Way Harpenden Hertfordshire Al5 5Tx
Demolition of existing and construction of two semi-detached dwellings
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StAlbans/5/2025/2004
Granted with conditions46 Overstone Road Harpenden Hertfordshire Al5 5Pj
Ground and first floor rear extension. Including new windows and new rooflights. Alterations to existing rear dormer
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StAlbans/5/2026/0309
Granted with conditions24 Leyton Road Harpenden Hertfordshire Al5 2Hu
Discharge of Conditions 3 (details of the materials) and 7 (construction method statement) of planning permission 5/2025/1618 dated 09/12/2025 for Single storey…
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StAlbans/5/2025/2330
Undecided1 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 exis…
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StAlbans/TP/2026/0068
Granted12 Spenser Road Harpenden Hertfordshire Al5 5Nn
Front garden Magnolia (T1 in sketch plan). This is the only tree in the garden. Request to carry out pruning to the tree, reducing the top by 6-8ft and shaping …
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StAlbans/TP/2026/0118
Undecided2 Manland Avenue Harpenden Hertfordshire Al5 4Rf
T1 - Lime - This tree must be felled to the ground level due to it being unstable and very dangerous , it has already lost a limb today which fell across the ro…
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StAlbans/5/2026/0590
Undecided23 Station Road Harpenden Hertfordshire Al5 4Xa
Replacement of selected windows, new rear dormer window, demolition of garage , creation of new parking space, erection of timber fence and new boundary railing
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StAlbans/5/2026/0575
Undecided37 Southdown Road Harpenden Hertfordshire Al5 1Pg
Part single, part two-storey front extension; first floor extension over existing side; part single, part two-storey rear extension; porch to front; alterations…
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StAlbans/5/2026/0639
Undecided109 Overstone Road Harpenden Hertfordshire Al5 5Pl
Proposed two-storey rear extension along with internal and external alterations and chimney removal
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StAlbans/5/2026/0243
GrantedFlat 3 8 Avenue St Nicholas Harpenden Hertfordshire Al5 2Bx
Certificate of Lawfulness (existing) - The application supports the installation of an MCS-approved air source heat pump, located at ground floor level to the s…
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StAlbans/5/2026/0146
Granted with conditions29 Milton Road Harpenden Hertfordshire Al5 5La
Construction of garage/outbuilding
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StAlbans/TP/2026/0061
GrantedSt Nicholas Church Church Green Harpenden Hertfordshire Al5 2Tp
. We wish to trim 4 yew trees to 2 metres height and reduce their width to 1.3meter and remove elders growing within
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StAlbans/5/2026/0597
Undecided5 & 7 Queens Road Harpenden Hertfordshire Al5 1Qr
Replacement like-for-like windows and doors
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StAlbans/TP/2017/0385
Granted22 Sun Lane Harpenden Al5 4Eu
Fell 2 Conifers and 1 Cherry in front garden. Fell group of several Ash and Sycamore trees in rear garden bordering railway.
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StAlbans/5/2017/2070
Granted with conditions14 Maldon Court Carlton Road Harpenden Hertfordshire Al5 4Tb
Single storey front extension and garage conversion to habitable accommodation with alteration of existing flat roof to pitched roof with rooflights
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StAlbans/5/2026/0339
Undecided15 Rothamsted Avenue Harpenden Hertfordshire Al5 2Dd
Demolition of existing garage. Single storey extension and construction of a new garage, vehicle and pedestrian access, and part single, part two storey side an…
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StAlbans/5/2026/0581
Undecided46 Overstone Road Harpenden Hertfordshire Al5 5Pj
Ground floor extension to front of property creating a new porch including a new door, window and rooflight.
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StAlbans/5/2026/0584
Undecided43 Granby Avenue Harpenden Hertfordshire Al5 5Qp
Following demolition of store rooms etc, proposed two-storey side and rear extensions, single-storey side and rear extensions along with internal and external a…
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StAlbans/5/2026/0598
UndecidedThe Cross Keys Ph 39 High Street Harpenden Hertfordshire Al5 2Sd
Listed Building consent - Repair and restoration of existing Grade II Listed Building including structural; repairs and plasterworks
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StAlbans/TP/2026/0181
Undecided1 Shakespeare Road Harpenden Hertfordshire Al5 5Ne
Remove dead tree at the back of garden. Visible from adjacent car park.
How to comment on a planning application in Harpenden
Anyone can have their say on a planning application in Harpenden. Find the application on the St Albans planning authority's public-access portal using the reference number above, then submit a comment before the consultation deadline. Comments are usually limited to planning matters such as overlooking, loss of light, traffic, noise and the character of the area.
St Albans is the local planning authority responsible for deciding applications in Harpenden. Town Crier mirrors the public record so you can keep track of what is happening near you, but the council remains the authoritative source and the place to submit formal comments.
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