Postcode district
Planning applications in AL5
Page 6 of 14, newest first. Back to the AL5 overview.
Applications in AL5
Newest first · page 6 of 14
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5/2026/0583 Granted
The Lodge Bower Heath Harpenden Hertfordshire Al5 5Ee
Permission in Principle - Demolition of the existing dwelling and outbuildings, and the erection of 2 detached dwellings.
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5/2026/0584 Refused
43 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 alterations, new openings and chimney removal
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5/2026/0587 Decided
3 Timbers Court Harpenden Hertfordshire Al5 2Qa
Single storey front extension. Alterations to existing rear extension
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5/2026/0581 Decided
46 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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5/2026/0567 Refused
28 Moreton End Lane Harpenden Hertfordshire Al5 2Hd
Conversion of garage and first floor side extension
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5/2026/0571 Decided
46 Meadow Walk Harpenden Hertfordshire Al5 5Tg
Two-storey side and part single, part two-storey rear wrap around extension following demolition of existing garage and conservatory
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TP/2026/0149 Granted
23 Cravells Road Harpenden Hertfordshire Al5 1Ba
T1 Leyland Cypress ( Cuprocyparis leylandii) Fell to ground level. This multi-stemmed tree has reached a size that is causing significant shading and light deprivation to the garden, resulting in the decline of other plants and trees. Its scale makes rout
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5/2026/0575 Decided
37 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 to openings including replacement windows and external finishes
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5/2026/0569 Decided
75A Ox Lane Harpenden Hertfordshire Al5 4Ph
Replacement of existing conservatory roof
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5/2026/0563 Decided
138 Station Road Harpenden Hertfordshire Al5 4Rh
Single storey rear extension, part first floor rear extension, loft conversion with raising of roof and front and rear dormer windows, alterations to openings to rear and removal of 2 x chimneys.
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5/2026/0559 Decided
28 Sibley Avenue Harpenden Hertfordshire Al5 1Hf
First floor rear extension, raising of the roof height of the existing flat-roofed side extension, and construction of a new lean-to roof over the existing single-storey rear extension
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5/2026/0542 Decided
37 Alzey Gardens Harpenden Hertfordshire Al5 5Sx
Proposed single storey rear and two storey side extensions, loft conversion with rear dormer, front rooflights, change to render and timber cladding, demolition of existing conservatory and garage, remodelling of roof and increase in ridge height and fron
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TP/2026/0142 Granted
23-25 High Street Harpenden Hertfordshire Al5 2Ru
Tree id: T1795 Species: Acer platanoides (Norway Maple) Height (m): 15 Spread (m): 15 DBH (cm): 63 Life stage: Mature Physiological condition: Fair Structural condition: Fair Vitality: Moderate Works: to raise canopy over street and parking bays to a maxi
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TP/2026/0144 Granted
57 Park Avenue North Harpenden Hertfordshire Al5 2Ee
Works as per Enviro Tree Report TG5 Lime, Cercis,Cornus, Holly, Mixed species Mature Works: Remove Lime to ground level and grind out stump(s) Remove stems within 10m of damage and grind out stump(s), maintain remainder at current dimensions through perio
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TP/2026/0141 Granted
11A Salisbury Avenue Harpenden Hertfordshire Al5 2Qf
Maintenance of front hedge boundary between 11A Salisbury Avenue and 12 Kirkwick Avenue. Works: T1 - Lawson cypress reduce inline with existing laurel hedge c. 6???6??? see image 1 and 2 T2 - Beech reduce inline with existing laurel hedge c. 6???6??? see
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5/2026/0550 Refused
82 Station Road Harpenden Hertfordshire Al5 4Tz
Prior Notification - Single storey rear extension 3.3m in height x 6m in depth with 2.5m height to eaves
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5/2026/0536 Decided
4 Lilac Way Harpenden Hertfordshire Al5 1Sq
Demolition of existing garage, replaced with a two storey side extension and store
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TP/2026/0136 Granted
3 High Elms Harpenden Hertfordshire Al5 2Ju
T1 Western Red Cedar - Reduction in height only by 4-6m approx T2 Lawson Cypress - Reduction in height only by 3-4m approx T5 Spruce - Crown reduction by 2-3m approx T3 Beech - Crown thin by 15% approx T4 Holly - Reduction and shape by 1-2m
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TP/2026/0139 Granted
St Georges School Sun Lane Harpenden Hertfordshire Al5 4Td
G1 Sycamore & Ash - Fell T2 Goat Willow - Fell
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5/2026/0525 Decided
11 Hillside Road Harpenden Hertfordshire Al5 4Bs
Garage conversion, with part roof extension and new front porch extension
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5/2026/0519 Decided
4 Rothamsted Avenue Harpenden Hertfordshire Al5 2Db
Lantern rooflight over existing flat roof, insertion of rooflights into existing pitched roof slope, conversion of attached external storage outbuilding to habitable accommodation, minor alterations to windows and doors to suit internal reconfiguration
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TP/2026/0128 Granted
Falcons 1 Cross Lane Harpenden Hertfordshire Al5 1Bx
T3 Cypress ( Lawson) - fell to combat subsidence damage to 1 Cross Lane, Harpenden AL5 1BX
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TP/2026/0131 Granted
11 Kirkdale Road Harpenden Hertfordshire Al5 2Pt
T1 Scotts Pine - Removal of the lowest stem north side and remove fractured stem over footpath
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TP/2026/0123 Granted
Harpenden Lawn Tennis Club Amenbury Lane Harpenden Hertfordshire Al5 2Ef
G1 Mixed Group - ( 8 Leylandii, 1 Ash & 1 Sycamore) Crown reduction to all down to approx 1-1.5m above telegraph pole 1 Leylandii (extensive split in union ) - Fell
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TP/2026/0126 Granted
St 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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TP/2026/0124 Granted
42 Cowper Road Harpenden Hertfordshire Al5 5Ng
T1 - Norway Maple: Reduce back to previous pruning points.
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TP/2026/0121 Granted
23 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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5/2026/0484 Decided
8 The Pleasance Harpenden Hertfordshire Al5 3Na
Demolition of existing garage and construction of new single storey dwelling with air source heat pump and solar panels
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5/2026/0488 Decided
1 Orchard Avenue Harpenden Hertfordshire Al5 2Dw
Proposed single storey rear extension with rooflights, along with internal and external alterations
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5/2026/0489 Refused
33 Oakfield Road Harpenden Hertfordshire Al5 2Np
New electrically operated gates with brickwork piers and intermediate railings to site frontage
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5/2026/0491 Decided
7 Walkers Close Harpenden Hertfordshire Al5 1Qj
Single storey side and rear extension with two roof lights, and flat roof rear dormer to existing main roof
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TP/2026/0118 Decided
2 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 road. 5 Days notice.
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TP/2026/0117 Granted
1 Mayfield Close Harpenden Hertfordshire Al5 3Lg
Trees: T13,T14,T15 Three Lime trees (Tilia spp.) Specification of Works: Repollard the three Lime trees by reducing all regrowth back to the previous established pollard points (knuckle points), returning the trees to their historic pollard framework. Th
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5/2026/0472 Decided
3 Hillside Road Harpenden Hertfordshire Al5 4Bs
Removal of existing concrete plain tiles to the main roof and replacement with natural slate; erection of a box dormer extension to the rear roof slope with metal standing-seam cladding; and construction of a single-storey rear extension with monocouche r
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5/2026/0476 Decided
3 Hitherfield Lane Harpenden Hertfordshire Al5 4Jd
Front porch infill extension with new pitched roof rain porch, garage conversion to habitable accommodation, alterations to existing and creation of new window and door openings and installation of roof light windows
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TP/2026/0115 Granted
5 Medlows Harpenden Hertfordshire Al5 3Ay
TPO1912 - T12 (Individual Oak) Confirmed: 08/04/2019 Proposed Works: Reduce the overall height of the Oak by approximately 4 metres and reduce the lateral spread proportionately to maintain a balanced crown. Crown raise by removing lower epicormic gro
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5/2026/0451 Decided
8 Ridgewood Gardens Harpenden Hertfordshire Al5 3Nn
Proposed front garage conversion and adaptions and additions to link to main house with gable fronted roof. Proposed solar panels to roofs
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5/2026/0443 Decided
Wedgewood Hyde East Common Harpenden Hertfordshire Al5 1Dd
Proposed erection of new double garage
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5/2026/0444 Decided
55 Cowper Road Harpenden Hertfordshire Al5 5Nj
Demolition of existing conservatory and construction of single storey rear extension and part side wrap around
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5/2026/0464 Decided
25 Aldwickbury Crescent Harpenden Hertfordshire Al5 5Sa
Single storey rear extension and side extension with porch canopy
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TP/2026/0108 Granted
53 Luton Road Harpenden Hertfordshire Al5 2Ue
G2 Mixed Species Prune to Clear structure/wires/buildings by 1m
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5/2026/0469 Decided
68 Townsend Lane Harpenden Hertfordshire Al5 2Rg
Single storey side and rear extensions with rooflights, loft conversion with front and rear dormer windows and rooflights, alterations to openings
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TP/2026/0105 Granted
10 Hales Meadow Harpenden Hertfordshire Al5 4Jb
T1 Sorbus - Fell (planted inappropriate location and specie not suitable)
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5/2026/0431 Decided
305 Luton Road Harpenden Hertfordshire Al5 3Lw
Ground floor internal remodelling, the relocation and redesign of a front porch to a central position with a new hipped roof to match the existing dwelling, a minor rear extension extending the footprint of the existing flat roof single storey projection
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TP/2026/0101 Granted
6 West Common Way Harpenden Hertfordshire Al5 2Lf
2 Trees in sketch are large shade loving evergreen Conifers.We wish to remove these trees. Reason: The trees are very overbearing and causing nuisance to our property. We wish to replace with 4nr small hornbeams.
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5/2026/0398 Decided
23 Granby Avenue Harpenden Hertfordshire Al5 5Qp
Two storey rear extension, single storey side and rear extension, alteration to openings and rooflights, replacement windows and doors, new roof awning over front door
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5/2026/0385 Refused
37 West Way Harpenden Hertfordshire Al5 4Rd
Certificate of Lawfulness (proposed) - Loft conversion including a rear facing box dormer and front facing velux roof windows
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5/2026/0383 Granted
1 Timbers Court Harpenden Hertfordshire Al5 2Qa
Certificate of lawfulness (proposed) - Erection of outbuilding
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5/2026/0388 Decided
9 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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5/2026/0387 Decided
54 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 openings and materials and installation of new fencing