Planning applications in St Albans, August 2026

10 Albert Street St Albans Hertfordshire Al1 1Ru

Alterations to front entrance; rear extension at lower and upper ground floor level; rear dormer roof extension; pitched roof windows to front roof slope; excavation of lower ground floor level to increase internal height

9 Kirkwick Avenue Harpenden Hertfordshire Al5 2Qu

Reduce 3 x Lawson Cypress, 1 x leylandii and 3 x Silver Birche by up to 4 metres each. Reduce overhanging branches from the Sycamore Tree which overhanging garden.

68 De Tany Court St Albans Hertfordshire Al1 1Tx

Proposal: Face back the overhanging Cypress branches from the garden of No. 73 Holywell Hill to the boundary line.

40 Morris Way London Colney Hertfordshire Al2 1Jl

The sub-division of plots, the construction of two 3-bedroom detached dwellings with solar panels, and changes to access and parking

114 Old London Road St Albans Hertfordshire Al1 1Pu

A lightweight rear glass extension that infills the existing rear elements of the property creating a glazed area to accommodate a new stair to replace the cast iron circular stair in the dining area. New timber french doors with fixed side windows on the

Land South West Of And Including 39 Chiswell Green Lane St Albans Hertfordshire

Discharge of Condition 13 (management and maintenance of proposed streets) of planning permission 5/2022/0927 allowed at appeal dated 22/03/2024 for Outline application for the demolition of existing structures and construction of up to 391 dwellings (Use

1 Poynings Close Harpenden Hertfordshire Al5 1Jd

Two-storey and part single-storey rear extensions, side extensions, a two-storey front extension incorporating a projecting glazed gable feature, and new roof by increasing the ridge level and rooms within the roof space

26 Camp Road St Albans Hertfordshire Al1 5Dy

Proposed ground and first floor rear extension, inclusion of a rear dormer and alterations to openings and associated works. Front garden renovated into a front driveway to create space for 1no. off-road parking space

St Albans City Hospital Waverley Road St Albans Hertfordshire Al3 5Pn

Proposed Tree Works T1 Norway maple Selective lateral crown reduction on the western/hospital-facing side of the crown. Reduce branches extending over the hospital site back approximately to the kerb line, sufficient to provide clearance from the propose

15 Chiltern Road St Albans Hertfordshire Al4 9Sw

Certificate of Lawfulness (proposed) - Proposed demolition of garage and proposed rear extension , porch and dormer

125 New House Park St Albans Hertfordshire Al1 1Uh

Certificate of Lawfulness (existing) - The retrospective development comprises minor external alterations to the rear elevation of the dwellinghouse at 125 New House Park. The applicant seeks a Certificate of Lawfulness (Existing) under Section 191 of the

1 Knights Orchard Verulam Road St Albans Hertfordshire Al3 4Dj

Single storey rear infill extension with fenestration alterations

Land To The South Of Redbourn Lane Hatching Green Harpenden Hertfordshire

Variation of Condition 2 (approved plans) to allow changes to the layout and design of the approved scheme of planning application 5/2025/2298 dated 20/05/2026 for Erection of three detached dwellings with associated vehicular access, parking, hard and so

130A Southdown Road Harpenden Hertfordshire Al5 1Pu

Conversion of an external covered colonnade to office space for a community building including new windows and doors to existing colonnade openings and one new window

Hanstead Park Smug Oak Lane St Albans Hertfordshire

Discharge of Condition 27 (verification investigation) of planning permission 5/2020/2041 dated 10/08/2022 for Variation of Condition 21 (completion of road works) of planning permission 5/2014/3250 allowed on appeal dated 30/06/2016 for Outline planning

Land South West Of And Including 39 Chiswell Green Lane St Albans Hertfordshire

Discharge of Condition 22 (minerals recovery strategy) of planning permission 5/2022/0927 allowed at appeal dated 22/03/2024 for Outline application for the demolition of existing structures and construction of up to 391 dwellings (Use Class C3); the prov

28 West Common Way Harpenden Hertfordshire Al5 2Lg

T1 - oak tree reduce north east side of Oak tree by 3m. This tree has been heavily cut on the opposite side of the tree leaving the tree hugely unbalanced.

31 Highfield Avenue Harpenden Hertfordshire Al5 5Ub

Certificate of Lawfulness ( Proposed) - Proposed rear single-storey extension, side single-storey extension and removal of rear chimney stack

Land At Round House Farm Roestock Lane Colney Heath St Albans

Discharge of Condition 35 (fire hydrants) of planning permission 5/2022/2736 dated 24/11/2025 for Outline application (access sought) - Erection of up to 155 residential dwellings together with ancillary works

1 Station Road Wheathampstead Hertfordshire Al4 8Bu

1 x Wild plum, semi fallen and leaning over footpath, to remove in sections to ground level. 1 x Lime to lift to around 5m above ground level, cut back branches to clear property by 3m. Mixed species trees along garden/carpark To cut back all branches to

Cathedral House Sumpter Yard Holywell Hill St Albans Hertfordshire Al1 1By

T1. Yew - Cut back level with the brick wall boundary the overhanging Yew tree from George Street. Falling Debris blocking the drains and causing flooding of the Blunder Room

6A High Elms Harpenden Hertfordshire Al5 2Ju

Lawson Cypress - to be removed - the tree appears to be dead / dying - there are approximately 10% green leaves on it which has been the same for at least a year - the rest of the leave are brown - I have attached a plan and photos

161 Colney Heath Lane St Albans Hertfordshire Al4 0Tn

Variation of Condition 3 (materials) to allow changes to the colour of roof tiles and window frames of planning permission 5/2025/1747 dated 23/04/2026 for Single storey rear extension, with extended loft space/ first floor, new dormer to front, removal o

20 Grange Street St Albans Hertfordshire Al3 5Nb

Demolition of old outbuilding and erection of a single storey side and rear extension. Rear extension to replace old outbuilding and extend past original footprint. New extensions to provide additional habitable space to dwelling

28 New House Park St Albans Hertfordshire Al1 1Uq

Certificate of Lawfulness (proposed) - Enlargement, improvement and alteration to dwellinghouse with a multi-storey rear extension and an addition to its roof

Haddon House 29 New House Park St Albans Hertfordshire Al1 1Uq

Cedar overhanging No. 31 New House Park Prune back the lower and middle tiers of the Cedar by approximately 2-4 metres, 2. Cedar overhanging the footpath on New House Park Prune back the lower and middle tiers by approximately 2-4 metres, Reasons - Reduce

Blacksmiths House 15B Fishpool Street St Albans Hertfordshire Al3 4Rs

Cotoneaster and Holly Face back the Cotoneaster and Holly as close to the boundary line as practicable, while retaining appropriate form and vitality. Rear Garden Yew Crown raise the Yew to provide greater clearance from the roof of the outbuilding. Fac

Abbey Gate House 4 Abbey Mill Lane St Albans Hertfordshire Al3 4Hd

Listed Building consent - Installation of solar panels to 2no areas of roof

Rothamsted Manor Rothamsted Estate Harpenden Hertfordshire Al5 2Be

Variation to regularise Condition 5 (travel plan) of planning permission 5/2017/3632 dated 25/04/2018 for Siting of marquee within walled garden for wedding receptions, corporate, charity, community and private events, with associated walkway, landscaping, parking and ancillary services including toilets and catering enclosure, use of ground floor of Manor building for wedding receptions, corporate, charity, community and private events and bridal party accommodation

2 Runcie Close St Albans Hertfordshire Al4 9Ax

Proposed two storey side and rear extensions and alterations to position of front door

30 Guildford Road St Albans Hertfordshire Al1 5Jy

Single storey side / rear extension plus loft conversion with front and back dormer windows

Estate Office Childwickbury St Albans Hertfordshire Al3 6Jx

Mature Ash tree. Pinned location on drawing. Reduce crown by 40%. Clean crown. The tree drops a lot of dead wood and excessive shading to adjacent trees and nearby house. Tree is unbalanced and would benefit from being rebalanced.

Beacon House Beaconsfield Road St Albans Hertfordshire Al1 3Rt

1 x Sycamore to remove in sections to ground level

32 King Harry Lane St Albans Hertfordshire Al3 4Au

T10 False Acacia. One dead Acacia close to footpath and road fell to ground level. Two Acacia adjacent crown reduction by 30% and lift canopy to give good clearance from footpath and road. T9Horse Chestnut crown Reduction by 30% and lift canopy over drive

13 Haslingden Close Harpenden Hertfordshire Al5 3Ew

Part single and part first floor front extension, first floor rear extension, alterations to openings, plus render finish to exiting elevations

156 Fishpool Street St Albans Hertfordshire Al3 4Rz

Discharge of Condition 5 (details of fixing methodology, including extent of fabric removal) of planning permission 5/2026/0269 dated 15/05/2026 for Removal of existing upvc roof window and installation of conservation roof windows to rear elevation roof

156 Fishpool Street St Albans Hertfordshire Al3 4Rz

Discharge of Condition 3 (details of fixing methodology, including extent of fabric removal) of Listed Building consent 5/2026/0371 dated 15/05/2026 for Listed Building consent - Removal of existing upvc roof window and installation of 5 conservation roof

Land South Of Chiswell Green Lane Chiswell Green Lane St Albans Hertfordshire

Notice of an application to discharge a planning obligation - Schedule 5 Clause 1 Self-Build Housebuilding Scheme of S106 agreement dated 19/05/2023 relating to 5/2022/0927 for Outline application (access sought) - Demolition of existing structures and co

96 Cowper Road Harpenden Hertfordshire Al5 5Nh

Variation of Condition 3 (external materials) to change to render finish of planning permission 5/2025/2083 dated 06/01/2026 for First floor front and side extensions, single storey rear extension and roof alterations to the front elevation

Land Between Three Cherry Trees Lane And Cherry Tree Lane Hemel Hempstead

Application to discharge planning obligation Schedule 3 Part 2 'Affordable Housing' Phasing Plan within the S106 agreement dated 24/04/2019 relating to planning application 5/2016/2845 Outline planning application to include up to 600 dwellings (C3), lan

27 Doggetts Way St Albans Hertfordshire Al1 2Nf

Single storey rear extension and installation of external wall insulation

12 Prospect Road St Albans Hertfordshire Al1 2Ax

Discharge of Conditions 13 (noise and vibration levels) and 15 (parking of cycles) of planning permission 5/2024/0570 dated 30/10/2024 for Erection of detached house

Redbourn Recreation Centre Dunstable Road Redbourn Hertfordshire Al3 7Pp

Non Material Amendment - To vary some of the conditions to allow for a phased development of the site of planning permission 5/2024/0245 dated 19/01/2026 for First floor extension and creation of roof terrace, construction of new linked sports hall buildi

2 Heath Road St Albans Hertfordshire Al1 4Dp

T1- a row of 4 Conifer trees to fell to ground level as they have outgrown their position.

The Mansards Avenue Road St Albans Hertfordshire

Raising of parapet, roof hatch and services to accommodate new insulated flat roof covering

4 Abbey Mill End St Albans Hertfordshire Al3 4Hn

Discharge of Condition 4 (samples of the materials) of planning permission 5/2025/0571 dated 22/09/2025 for Demolition of existing building and construction of a replacement two storey detached five bedroom dwelling with accessible access and deck with ca

14 Belmont Hill St Albans Hertfordshire Al1 1Rd

Garden room/outbuilding to be used as a home office

Land At Round House Farm Roestock Lane Colney Heath St Albans Hertfordshire

Discharge of Condition 19 (travel plan) of planning permission 5/2022/2736 dated 24/11/2025 for Outline application (access sought) - Erection of up to 155 residential dwellings together with ancillary works

11B Douglas Road Harpenden Hertfordshire Al5 2En

Discharge of Condition 5 (tree protection plan and arboricultural method statement) of planning permission 5/2025/0568 dated 06/02/2026 for Two storey front extension, single storey front and rear extensions with roof lights, solar panels to rear roof slo

27 Doggetts Way St Albans Hertfordshire Al1 2Nf

Certificate of Lawfulness (Proposed) - Construction of a rear dormer roof extension