Planning applications in AL5

51 Moreton End Lane Harpenden Hertfordshire Al5 2Ha

Demolition of existing garage and proposed erection of single-storey side and rear extensions and first-floor front and rear extensions with new roof. Increase in roof height; External alterations

2 Applewood Close Harpenden Hertfordshire Al5 3Bt

Single storey rear extension with solar panels and rooflights to the roof.

6 Beesonend Cottages Beesonend Lane Harpenden Hertfordshire Al5 2Aa

Two-storey rear and single-storey rear and side extensions along with internal alterations (following refusal of planning application ref no 5/2025/1787).

6 Lodge Gardens Harpenden Hertfordshire Al5 4Je

Oak - Reduce back vertical growth by 2-3m and crown clean Mixed Specie - Reduce back lateral growth to the fence Small Sycamore (under 75mm at breast height) - Fell

Sir John Lawes School Manland Way Harpenden Hertfordshire Al5 4Qp

Discharge of Condition 3 (materials) of planning permission 5/2025/1978 dated 25/02/2026 for Proposed development of a single storey teaching block with music practice rooms, performance studio and classrooms including extension to existing car park and l

46 Chesterton Avenue Harpenden Hertfordshire Al5 5Su

New porch and conservatory

Old Gates West Common Harpenden Hertfordshire Al5 2Jw

The first is a conifer which stands by the field hedge line at the southern end of our garden. We planted this conifer since we moved here, and it has proved to be rather plain. We think it would enhance the area to have a better more indigenous tree ther

54 Amenbury Lane Harpenden Hertfordshire Al5 2Dq

Demolition of dwelling

11 The Warren Harpenden Hertfordshire Al5 2Nh

TPO1773 (T1) Oak - Reduce the two lower branches by three to five metres. Reduce remainder of tree by 2 metres.

5 Rosebery Avenue Harpenden Hertfordshire Al5 2Qt

Proposed new 5-bed dwelling within existing residential plot with private off-street parking located to the front of site, refuse and recycling allocation, and private external amenity areas and new vehicle crossover

39 Eastcote Drive Harpenden Hertfordshire Al5 1Se

Certificate of Lawfulness (proposed) - Construction of a single storey rear extension with roof lights

9 Salisbury Road Harpenden Hertfordshire Al5 5Ar

Certificate of Lawfulness (proposed) - Loft conversion

18 Fallows Green Harpenden Hertfordshire Al5 4Hd

Installation of a timber-built greenhouse in the rear garden

6 Longcroft Avenue Harpenden Hertfordshire Al5 2Qz

Single storey rear extension

25 Roundwood Park Harpenden Hertfordshire Al5 3Aq

T19 Beech - Reduce crown by 33%, thin by maximum of 20% - These works are required to reduce the size of the tree to maintain its health as it is having limb failure and also to allow more light into the garden and back of property. T2 (G1) - Beech - Redu

St Dominic Roman Catholic Primary School Southdown Road Harpenden Hertfordshire Al5 1Pf

T2207 Yew; Remove marked adjacent Holly leaning over path. T2208 Silver Birch; Section fell as close to ground level as possible. T2208a Goat Willow; Fell as close to ground level as possible. T2221 Corsican Pine; Remove deadwood over 50mm diameter. Remov

53 Park Avenue North Harpenden Hertfordshire Al5 2Ee

Single-storey front and side extension to provide additional residential accommodation, in the form of a private wellness / exercise space, adjusted vehicle entrance and new dropped kerb

8 Barton Close Harpenden Hertfordshire Al5 4Qt

Proposed out building for golf simulator

82 Station Road Harpenden Hertfordshire Al5 4Tz

Prior Notification - Single storey rear extension 3.35m in height x 6m in depth x 2.5m in height to the eaves

Bowers Manor Holly Lane Harpenden Hertfordshire Al5 5Dy

Single storey extension to link main dwelling to annexe and alterations to elevations

32A Moreton End Lane Harpenden Hertfordshire Al5 2Hd

Garage conversion to habitable room and front dormers with hipped roofs

29 Noke Shot Harpenden Hertfordshire Al5 5Hs

Certificate of Lawfulness (proposed) - Erection of rear dormer

14 Broadstone Road Harpenden Hertfordshire Al5 1Rg

Certificate of Lawfulness (proposed) - Loft conversion with rear dormer and three rooflights to front

20 West Common Way Harpenden Hertfordshire Al5 2Lf

5 Day Notice Sorbus - Extensive decay at 2.5m approx and a stem has failed at the union leaving remaining stems compromised. - Fell

5 Amenbury Lane Harpenden Hertfordshire Al5 2Bt

Full removal of Leyland Cypress tree in rear garden. Identified T1 in sketch, and only tree in photo

35 West Common Way Harpenden Hertfordshire Al5 2Lh

Tree no.1 dead beech to be removed .This tree was probably originally part of the adjoining beech hedge and became intertwined with adjoining leylandii hedge Tree no.2 dead plum tree to be removed Tree no.3 plum tree to be removed. Trees are too close tog

23 Wood End Hill Harpenden Hertfordshire Al5 3Ez

Single storey front and rear extensions, first floor side extensions and associated internal alterations. Replacement roof covering, new first floor cladding, installation of new windows and doors and alterations to landscaping.

Land Adjacent To Little Ditches Annables Lane Kinsbourne Green Harpenden Hertfordshire Al5 3Pr

Erection of 3 self-build dwellings, new access onto Annables Lane and associated works

The Malta Ph 110 Lower Luton Road Harpenden Hertfordshire Al5 5Ah

First floor rear extension and associated alterations, including new openings and terraces, to create three self-contained flats

6 Barton Close Harpenden Hertfordshire Al5 4Qt

Prior Notification - Single storey rear extension 3m in height x 6m in depth with 2.7m height to eaves

1A The Warren Harpenden Hertfordshire Al5 2Nh

Erection of garage/store outbuilding.

72 Crabtree Lane Harpenden Hertfordshire Al5 5Ns

Certificate of Lawfulness (proposed) - Demolition of the existing conservatory and the construction of a replacementsingle-storey orangery extension to the rear of the dwellinghouse.Works include associated foundations, external walls, glazed roof lantern

43 Common Lane Batford Harpenden Hertfordshire Al5 5Dn

Single storey front & side extension to replace garage, single storey rear extension and first floor side extensions.

Harpenden Public Halls Southdown Road Harpenden Hertfordshire Al5 1Pa

Discharge of Condition 6 (archaeological recording) of planning permission 5/2025/1565 dated 21/01/2026 for External alterations to Harpenden Public Halls including first floor extension and ground floor infill extension, new lean-to shed for storage, alt

54 - 56 Roundwood Park Harpenden Hertfordshire Al5 3Af

Discharge of Conditions 4 (materials), 5 (boundary treatment), 7 (levels), 8 (hard and soft landscaping), 12 (arboriculture method statement), 15 (biodiversity enhancement plan), 16 (landscape ecological management and monitoring plan), 19 (construction m

17 Longcroft Avenue Harpenden Hertfordshire Al5 2Rd

1 (Malus) Apple tree in rear garden to section fell

26 Roundwood Park Harpenden Hertfordshire Al5 3Af

Permission in Principle - Construction of up to 3 dwellings

14A Clarence Road Harpenden Hertfordshire Al5 4Ah

5 day notice T1 Leylandii - Fell (stump remain with wood to at base T2 Cherry - Crown reduction by 4-5m approx and shape where necessary T3 Cherry (extensive dieback in crown, stem liable to collapse) - Fell (stump to remain)

1A Bowers Way Harpenden Hertfordshire Al5 4Ep

G1 - line of mixed species of ash and sycamore located on rear railway boundary of 1a Bowers Way to be lifted by 5m and reduced over garden area only by approximately 3m due to excessive shading in their garden and re balance trees due to severe cut by ne

24 Lyndhurst Drive Harpenden Hertfordshire Al5 5Rj

Proposed first floor side/front extension

11 Poynings Close Harpenden Hertfordshire Al5 1Jd

Two storey front and rear extensions. SIngle storey front, side and rear extensions. Alterations to openings including dormers and velux windows. Replacement roof finishes. Replacement wall finishes and paint finish to external walls, replacement windows

20 Park Avenue South Harpenden Hertfordshire Al5 2Ea

T1 birch - declining, remove tree in rear garden of 20 park avenue south . T2 :Removal of one previously topped western read cedar the tree has poor form and is covered in ivy.

21 Roundwood Park Harpenden Hertfordshire Al5 3Aq

T1 Oak (extensive crown die back and rapidly in decline) - Fell

101 Grove Road Harpenden Hertfordshire Al5 1Er

Part two storey front and rear extension, part single storey rear extension and insertion of rear dormer window.

12 Pigeonwick Harpenden Hertfordshire Al5 4Ez

Single storey front and rear extension and internal alterations. Raising level of rear to provide patio level with door threshold

9B Milton Road Harpenden Hertfordshire Al5 5La

Installation of replacement windows

42 Luton Road Harpenden Hertfordshire Al5 2Uj

Single storey rear extension plus introduction of side door to the existing garage

51 Milford Hill Harpenden Hertfordshire Al5 5Bl

Prior notification - Proposed demolition of attached shed/outbuilding and construction of single storey extension of 4m depth x 2.80m in height x 2.600m height to the eaves

19 Clarence Road Harpenden Hertfordshire Al5 4Aj

T2 Lime - Crown reduction by 3-4m approx T1 Silver Birch - Crown reduction by 2-3m approx (primary cuts) T3 Norway Spruce - Crown reduction in height only by 2-3m

51 Milford Hill Harpenden Hertfordshire Al5 5Bl

Proposed demolition of outbuildings attached to the rear of the property, construction of a new porch, erection of a two-storey side extension, and single and two-storey rear extensions with associated internal alterations