Planning applications in AL5

41 Aldwickbury Crescent Harpenden Hertfordshire Al5 5Sa

Single storey front & rear extensions

29 Townsend Lane Harpenden Hertfordshire Al5 2Rn

Erection of an outbuilding for use as a home office/games room

8 Carlton Bank Station Road Harpenden Hertfordshire Al5 4Su

Demolition of existing structure and construction of new orangery

7 Hammondswick Harpenden Hertfordshire Al5 2Nr

Non-Material Amendment - Relocation of proposed dwellings, amended boundary location between the dwellings and amendment to the hard surfaced area to the front of the house, removal of chimneys and 2 obscured glazed windows at first floor level from both

32 West Way Harpenden Hertfordshire Al5 4Rd

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

15 Townsend Lane Harpenden Hertfordshire Al5 2Py

Discharge of Condition 6 (replacement tree planting) of planning permission 5/2023/2311 dated 20/05/2025 for Construction of five bedroom detached dwelling with integral garage and outbuilding to rear of garden following demolition of existing dwelling an

148 Station Road Harpenden Hertfordshire Al5 4Rh

Removal of the existing converted garage, erection of a part single-storey, part two-storey side extension, with a construction of a new garden room

Kimbers 6 Wheatfield Avenue Harpenden Hertfordshire Al5 2Nu

First.floor front, rear and side extensions, single.storey rear extension, raising of the main roof pitch, alterations to external materials, and widening of the existing driveway to form an additional vehicular access with dropped kerb

3 Lindley Court Lindley Close Harpenden Hertfordshire Al5 4Ht

Single storey front and rear extensions

12 Barlings Road Harpenden Hertfordshire Al5 2An

Certificate of Lawfulness (proposed) - The proposed alterations to the dwellinghouse, together with the single storey open fronted pergola to the rear with a maximum height of 3 metres, comply with the provisions of Class A, Part 1, Schedule 2 of the Town

1 Southgate Court Luton Road Harpenden Hertfordshire Al5 2Ug

Pine tree growing at an angle across the Right of Way that runs along the edge of No 1 Southgate Court - remove this tree, so that the Right of way is cleared.

51 Park Rise Harpenden Hertfordshire Al5 3Ap

Alterations to openings on side elevation, removal of existing chimney, internal modifications, new gable end to existing roof and new dormer to rear

3A Pipers Avenue Harpenden Hertfordshire Al5 1Hb

Single storey rear extension

Meota The Bourne Salisbury Avenue Harpenden Hertfordshire Al5 2Ps

G1 Western Red Cedar - Reduction in height 4-6m approx & slender lateral growth 1m approx G4 Norway Maple - Crown reduction by 2-3m approx (above primary pollard points) G4 Norway Maple - Crown reduction by 2-3m approx (above primary pollard points) G4 No

6A Rosebery Avenue Harpenden Hertfordshire Al5 2Qp

T1 Himalayan Birch to fell and grind. T2 Leylandii Conifer to reduce in height by 30% (approx. 5m)

25 West Common Way Harpenden Hertfordshire Al5 2Lh

T1 Macrocarpa - Fell

15 Southdown Road Harpenden Hertfordshire Al5 1Pd

Listed building Consent - Replacement of existing sash windows on all levels to front elevation with new

24 Leyton Road Harpenden Hertfordshire Al5 2Hu

Discharge of Conditions 5 (archaeological monitoring) and 6 (archaeology - post excavation) of planning permission 5/2025/1618 dated 09/12/2025 for Single storey side extension following demolition of existing garage/workshop, alterations to openings, new

42B West Common Harpenden Hertfordshire Al5 2Jw

Proposed roof alteration, loft conversion, dormer projections, garage conversion and alterations

75A Ox Lane Harpenden Hertfordshire Al5 4Ph

Certificate of Lawfulness (proposed) - The proposal involves the partial conversion of an existing integral garage to increase the size of the existing hallway. The works are confined within the existing footprint of the dwellinghouse and do not involve a

50 Alzey Gardens Harpenden Hertfordshire Al5 5Sy

Single storey side and rear extension, window alterations

36 West Common Way Harpenden Hertfordshire Al5 2Lg

5 Days' Notice - G1 - Group of 4 x Scots Pine to the front of the property. One of these is dead and very dangerous, this one is to the front right of the property as you look at it from the road. This will need felling using an Ariel Lift and rigging gea

11 Holcroft Road Batford Harpenden Hertfordshire Al5 5Bg

Proposed side two storey extension over existing ground floor side extension and single storey rear extension

Clarendon Court Clarendon Road Harpenden Hertfordshire Al5 4Pt

Replacement of current uPVC double-glazed casement windows, side-high windows and external patio doors in all flats and communal areas. Private balcony balustrades will be replaced with architectural perforated metal panels. Existing black metal balustr

33 Prospect Lane Harpenden Hertfordshire Al5 2Pl

Two storey front, side and rear extensions, single storey rear extensions and solar panels

1 Shakespeare Road Harpenden Hertfordshire Al5 5Ne

Remove dead tree at the back of garden. Visible from adjacent car park.

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

Prior Approval - Conversion of existing agricultural building into a single residential dwelling house with two bedrooms (one en-suite), bathroom, kitchen/dining/living room and utility room

9 Byron Road Harpenden Hertfordshire Al5 4Ad

Two storey rear extension, with garage conversion and enlarged front first floor dormer. Including internal alterations to existing ground and first floor accommodation layouts

6 High Street Harpenden Hertfordshire Al5 2Tb

Prior Approval - Retention of Commercial premises at ground floor level. Change of Use from Class E (Commercial, Business and Service) into Class C3 (Dwellinghouses)

100 Crabtree Lane Harpenden Hertfordshire Al5 5Rf

Removal of rear garden store, erection of first floor side extension over existing ground floor footprint and associated internal alterations

64 West Common Harpenden Hertfordshire Al5 2Ld

Two storey rear extension and front single storey side and rear extensions

5 High Elms Harpenden Hertfordshire Al5 2Ju

Certificate of Lawfulness (proposed) - Proposed Outbuildings

28 West Common Way Harpenden Hertfordshire Al5 2Lg

T1 - Conifer fell. This is close to the neighbouring property and is growing over the road. The removal will allow more light into the neighbour property and reduce the risk of vehicle damage

The Forresters Harpenden Hertfordshire Al5 2Fb

1 Larger Ash tree in middle of communal garden to reduce by approx 4-5m in height and shape accordingly Smaller Ash in middle of communal garden to reduce by approx 3-4m in height and shape accordingly 2 Poplars in between Ash trees to reduce heights by a

4 Spenser Road Harpenden Hertfordshire Al5 5Nn

Certificate of Lawfulness (proposed) - The erection of an outbuilding located to the rear of the garden

Amble Inn 182 Station Road Harpenden Hertfordshire Al5 4Ul

New front boundary wall with reconfigured garden space, including movable flower bins, a tiled floor finish, designated disabled access and improved lighting. Removal of the existing internal staircase and provision of a new external staircase for upper f

20 The Uplands Harpenden Hertfordshire Al5 2Pq

Two storey front and rear extensions, single storey rear extension

49 Topstreet Way Harpenden Hertfordshire Al5 5Tx

Demolition of existing and construction of two semi-detached dwellings

26 Burywick Harpenden Hertfordshire Al5 2Ah

First floor side and front extension, alterations to fenestrations and external materials

1A The Warren Harpenden Hertfordshire Al5 2Nh

Insertion of roof windows to front elevation; conversion of garage into utility room; various fenestration changes

Land At The Rear Of 2 & 4 Barnfield Road Harpenden Hertfordshire Al5 5Tn

Erection of a detached dwelling with new vehicular access

Harpenden Public Halls Southdown Road Harpenden Hertfordshire Al5 1Pa

Discharge of Condition 5 (written scheme of investigation for an Historic England Level 2 recording of the external elements of the building) of planning permission 5/2025/1565 dated 21/01/2026 for External alterations to Harpenden Public Halls including

28 Wroxham Way Harpenden Hertfordshire Al5 4Pp

Proposed two storey side and rear extension and single storey rear extension, alterations to patio, boundary treatments and landscaping.

109 Overstone Road Harpenden Hertfordshire Al5 5Pl

Proposed two-storey rear extension along with internal and external alterations and chimney removal

87 Luton Road Harpenden Hertfordshire Al5 3Ba

Non Material Amendment - Change of material to the extension of planning permission 5/2025/0591 dated 20/06/2025 for Demolition of existing conservatory and construction of single storey rear extension with amendment to window and internal amendments

6 Brackendale Grove Harpenden Hertfordshire Al5 3Ej

Proposed two-storey front and single-storey side extension. Part conversion of garage to utility and shower room with flat roof lights. Internal modifications and alterations

Sir John Lawes School Manland Way Harpenden Hertfordshire Al5 4Qp

AMENDED INFORMATION - Discharge of Condition 7 (Construction Method Statement) and Biodiversity Gain Condition of planning permission 5/2025/1978 dated 25/02/2026 for Proposed development of a single storey teaching block with music practice rooms, perfor

84 Park Rise Harpenden Hertfordshire Al5 3Al

Certificate of Lawfulness (proposed) - Erection of outbuilding to the rear garden

23 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

17 Ox Lane Harpenden Hertfordshire Al5 4Hf

Erection of a single storey rear and side extensions, internal reconfiguration and demolition of existing detached garage and erection of a new detached garage