Planning authority · 2026
St Albans planning applications 2026
2,373 public planning records from 2026 in the production OGL dataset, newest first, linked to council source pages.
Applications
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St Albans/TP/2026/0021
23 Liverpool Road St Albans Hertfordshire Al1 3Un
T1 Tree of Heaven - Crown reduction by removing 2.5 to 3.0 metres growth in height and spread back to previous pruning points.
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St Albans/TP/2026/0022
70 Holywell Hill St Albans Hertfordshire Al1 1Bx
Holm Oak Rear Garden- Remove major deadwood Small Yew frontage of Holywell Hill behind front wall- Thin and reduce by 50 percent, approx where dotted line is on photo. To gain more light in...
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St Albans/TP/2026/0025
10 Salisbury Avenue Harpenden Hertfordshire Al5 2Qg
T1 Portuguise Laurel - Fell Stump Grind (stump chip to remain in void) T2 Sycamore - Crown reduction by 3-4m approx, crown clean and remove lowest south stem T3 Cypress (inclusion at 6m app...
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St Albans/TP/2026/0026
202 London Road St Albans Hertfordshire Al1 1Pl
T1-Ash tree to re-pollard to maintain shape and size for the area.
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St Albans/TP/2026/0027
17 Elm Lawns Close St Albans Hertfordshire Al1 3Re
T1-Beech tree to reduce all over by 2-3 metres to maintain shape and size for the area. T2-Sycamore tree to reduce all over by 2-3 metres to maintain shape and size for the area. T3-Sycamor...
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St Albans/TP/2026/0028
13 Longcroft Avenue Harpenden Hertfordshire Al5 2Rd
T1 Silver Birch (significant decay in old pruning points) - Fell
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St Albans/TP/2026/0029
17 Mount Pleasant St Albans Hertfordshire Al3 4Qh
Apple tree (unknown variety) + small Boxwood Tree/shrub (dead) ; both located by west boundary fence. Apple tree to be pruned back by up to 40% as current size is pulling tree over. Boxwood...
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St Albans/TP/2026/0030
7 Cross Lane Harpenden Hertfordshire Al5 1Bx
The oak tree located in the rear garden is a mature specimen that has become significantly overgrown, with a dense and expansive canopy. While the tree is currently in good structural condi...
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St Albans/TP/2026/0102
50 Grove Road Harpenden Hertfordshire Al5 1Et
T1 Turkey Oak (far rear garden) Remove major deadwood from crown Remove dead branches as needed Remove all debris Reason: Requested by client as part of a cyclical maintenance plan to ensur...
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St Albans/5/2025/2250
64 Townsend Lane Harpenden Hertfordshire Al5 2Rg
Widening of existing attic dormer
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St Albans/5/2025/2329
75 Culver Road St Albans Hertfordshire Al1 4Eb
Certificate of Lawfulness (proposed) - Loft conversion with dormer. Materials to match
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St Albans/5/2026/0003
86 Beech Road St Albans Hertfordshire Al3 5At
Replacement of existing shed and timber frame summer house with a permanent garden room at the end of the garden
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St Albans/5/2026/0442
Rothamsted Park Amenbury Lane Harpenden Hertfordshire
Variation of Conditions 2 (approved plans), 6 (construction management plan), 7 (preliminary ecological appraisal), 8 (aboricultural method statement and tree protection plan), 9 (landscapi...
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St Albans/5/2026/0444
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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St Albans/5/2026/0447
The Old Dairy Barn Old Dairy Farm The Common Redbourn Hertfordshire Al3 7Nb
Proposed single storey extensions to the rear courtyard. Block up doorway.
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St Albans/5/2026/0453
Land Between Three Cherry Trees Lane And Cherry Tree Lane Hemel Hempstead Hertfordshire
Discharge of Conditions 13 (details of MUGA), for planning application 5/2016/2845 dated 30/04/2026 for Outline planning application to include up to 600 dwellings (C3), land for primary sc...
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St Albans/5/2026/0455
Land Between Three Cherry Trees Lane And Cherry Tree Lane Hemel Hempstead Hertfordshire
Discharge of Conditions 22 (1) A programme and methodology of site investigation and recording), (6). Nomination of a competent person or persons/organisation to undertake the works set out...
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St Albans/5/2026/0460
Townsend Bowls And Tennis Club 8 Waverley Road St Albans Hertfordshire Al3 5Pa
Proposed lighting to tennis court 8 consisting of 3 new columns and 4 LED luminaires to match existing lighting system on courts 3-7
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St Albans/5/2026/0552
The Old Dairy Barn Old Dairy Farm The Common Redbourn Hertfordshire Al3 7Nb
Listed Building Consent - Proposed single storey extensions to the rear courtyard. Block up doorway.
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St Albans/TP/2026/0040
Street Record Wistaria Drive London Colney Hertfordshire
T1 Holly - Cut back off Street light to give a 1.5m clearance and allowing for lights to be maintained T2 Oak - Cut back off Street light to give a 1.5m clearance and allowing for lights to...
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St Albans/TP/2026/0107
Cottonmill Swimming Pool Cottonmill Lane St Albans Hertfordshire Al1 1Hj
Works to be done: Sectional dismantle of a large T1 Ash located at the front of the property. The tree has an infection of a fungus called Innonotus hispidus and poses a significant H&S ris...
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St Albans/5/2025/1098
54 - 56 Roundwood Park Harpenden Hertfordshire Al5 3Af
Demolition of two existing dwellings and erection of three new dwellings, alterations to access and associated landscaping
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St Albans/5/2025/1707
2 Townsend Lane Harpenden Hertfordshire Al5 2Qe
First floor rear extensions, raising of ridge height to facilitate loft conversion to habitable accommodation with front and rear dormers and alterations to openings
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St Albans/5/2025/2043
58 Oaklands Lane Smallford St Albans Hertfordshire Al4 0Hs
Discharge of Conditions 3 (materials), 5 (slab levels), 12 (Habitat Management and Monitoring Plan) and Biodiversity Gain Condition of planning permission 5/2025/0061 dated 27/05/2025 for S...
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St Albans/5/2025/2050
30 South Riding Bricket Wood Hertfordshire Al2 3Ne
Erection of single storey rear extension following demolition of existing conservatory and alterations to roof to facilitate extension to loft space with front dormers and rear dormer windo...
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St Albans/5/2025/2053
Sleapshyde Farm Sleapshyde Lane Smallford St Albans Hertfordshire Al4 0Se
Discharge of Condition 10 (hard and soft landscape works) of planning permission 5/2024/0259 dated 16/10/2024 for Change of use of an agricultural barn to residential dwelling with associat...
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St Albans/5/2025/2139
53 & Land Rear Of 55-59 Station Road Smallford St Albans Hertfordshire Al4 0Hb
Discharge of conditions 3 (samples of materials), 5 (existing and proposed slab levels), 8 (surface water drainage), 12 (hard and soft landscape), 13 (soft landscape), 14 (biodiversity enha...
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St Albans/5/2025/2300
22 Hyde View Road Harpenden Hertfordshire Al5 4Nz
Part two storey part single storey rear extension and front porch. First floor side window
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St Albans/5/2026/0050
95 Hazelwood Drive St Albans Hertfordshire Al4 0Uy
7m rear extension with skylights to be used as a kitchen/living space, materials to match existing
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St Albans/5/2026/0052
Beaumont Hall Redbourn Road St Albans Hertfordshire Al3 6Rn
Change of use of vacant agricultural building to office use (E(g)) and associated infrastructure
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St Albans/5/2026/0056
8 George Street St Albans Hertfordshire Al3 4Er
Replacement windows to second floor rear elevation
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St Albans/5/2026/0435
Highfield Farm Highfield Lane Tyttenhanger St Albans Hertfordshire Al4 0Rl
Full planning application to change use from redundant agricultural building to a commercial use (indoor padel - Class E(d)) and associated retrospective operational development for the cla...
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St Albans/5/2026/0437
Veilliey Mackerye End Harpenden Hertfordshire Al5 5Ds
New roof with rooms in the roof, rooflights
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St Albans/5/2026/0441
42 Holywell Hill St Albans Hertfordshire Al1 1Bx
Certificate of lawfullness (proposed) - Repair and replace (as required) modern weatherboarding on front elevation of the house. We are seeking to repair and maintain the weatherboarding on...
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St Albans/5/2025/0334
62 West Common Harpenden Hertfordshire Al5 2Ld
Single storey garage extension, partial garage conversion, new roof lights and garden basement
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St Albans/5/2025/1604
11 The Mall Park Street St Albans Hertfordshire Al2 2Ht
Demolition of existing building and construction of new single family 2 storey dwelling
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St Albans/5/2025/2012
1 Wycombe Place St Albans Hertfordshire Al4 9Rh
Subdivision of existing hot food retail unit to create separate retail unit and installation of new entrance door.
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St Albans/5/2025/2055
361 Watford Road Chiswell Green St Albans Hertfordshire Al2 3Db
Dropped kerb
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St Albans/5/2025/2234
65 Beechwood Avenue St Albans Hertfordshire Al1 4Xr
Loft conversion with alteration to roof consisting of rear dormer window and front rooflights
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St Albans/5/2025/2274
46 Firwood Avenue St Albans Hertfordshire Al4 0Te
Re-roof, enlargement of roof from hipped to gable end, enlargement of rear dormer window with Juliet balcony, front rooflights and addition of window to side elevation for second floor
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St Albans/5/2025/2299
81 Harness Way St Albans Hertfordshire Al4 9Hb
Part single, part two storey rear extension with a partial garage conversion
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St Albans/5/2025/2360
30 South Riding Bricket Wood Hertfordshire Al2 3Ne
Erection of a detached outbuilding to rear to be used as an ancillary annexe
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St Albans/5/2026/0148
6 Wheatleys St Albans Hertfordshire Al4 9Ue
Prior Notification - Single storey rear extension 2.94m in height x 6.00m in depth with 2.50m height to eaves
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St Albans/5/2025/1873
The Mansion 1 St Peters Street St Albans Hertfordshire Al1 3Dh
Discharge of Condition 7 (details of roof terraces) of planning permission 5/2020/2463 dated 04/03/2021 for Partial demolition of ground floor, change of use of part ground, first and secon...
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St Albans/5/2025/1976
12 The Cleave Harpenden Hertfordshire Al5 5Sj
Change of use of amenity land (the grass verge to the side of the property) to residential curtilage with new garden wall and fence to side
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St Albans/5/2025/2284
32 Eagle Way St Albans Hertfordshire Al4 0Ln
Certificate of Lawfulness (proposed) - Garage conversion
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St Albans/5/2025/2302
Land Adjacent 3 Kings Road London Colney Hertfordshire
Discharge of Conditions 3 (construction method statement) and 4 (materials) of planning permission 5/2025/0955 dated 10/09/2025 for Proposed demolition of outbuildings and erection of one d...
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St Albans/5/2025/2312
8 Harpenden Rise Harpenden Hertfordshire Al5 3Bh
Demolition of existing outbuildings and construction of a part single and two storey rear extension with roof lights, installation of a new first floor window front elevation and sun pipe t...
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St Albans/5/2025/2364
104 Green Lane St Albans Hertfordshire Al3 6Ex
Proposed loft conversion with new side gable, flat roofed rear dormer and rooflights to the front elevation
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St Albans/5/2026/0039
28 Springfield Crescent Harpenden Hertfordshire Al5 4Lf
Proposed loft conversion with new dormer and roof light
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St Albans/5/2026/0411
22 New Greens Avenue St Albans Hertfordshire Al3 6Hs
Proposed ground floor wraparound, front extension, garage conversion, solar panels and all associated works
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St Albans/5/2026/0414
Land Between Three Cherry Trees Lane And Cherry Tree Lane Hemel Hempstead Hertfordshire
***CON***
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St Albans/5/2026/0416
Land Between Three Cherry Trees Lane And Cherry Tree Lane Hemel Hempstead Hertfordshire
Discharge of Conditions 19 (construction traffic management plan) and 21 (swept path assessments) of planning permission 5/2016/2845 dated 30/04/2019 for Outline planning application to inc...
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St Albans/TP/2025/0668
27 Sovereign Park St Albans Hertfordshire Al4 0Fj
2x Lime - Reduce lower laterals to previous reduction points, repeat works, ref TP/2021/0053 (validated 12/02/2021)
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St Albans/TP/2026/0014
39 Park Street Park Street St Albans Hertfordshire Al2 2Pe
Willow tree. Re pollard.
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St Albans/TP/2026/0016
Launay House Fish Street Redbourn Hertfordshire Al3 7Lp
1 x Holly tree in rear garden. Crown lifting by c1m, then crown reduction back to previously pruned points.
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St Albans/5/2024/2225
1 Wycombe Place St Albans Hertfordshire Al4 9Rh
Erection of first and second floor side and rear extensions to accommodate 1x2 bedroom flat and 1x1 bedroom flat
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St Albans/5/2025/2205
15 Townsend Lane Harpenden Hertfordshire Al5 2Py
Variation of Conditions 2 (approved plans), 4 (materials), 6 (tree planting), 7 (hard and soft landscaping- front garden), 8 (soft landscaping) and 9 (windows and rooflights) to allow amend...
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St Albans/5/2025/2230
22-24 Grove Road Harpenden Hertfordshire
Discharge of Conditions 18 (Site Access Points) and 19 (Highway Works) of planning permission 5/2022/2735 dated 21/03/2024 for Demolition of existing buildings and construction of 75 bed ca...
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St Albans/5/2025/2291
39 Long Buftlers Harpenden Hertfordshire Al5 1Jf
Part single part two storey front extension; first floor rear extension ; first floor side extension over garage and raising of roof to incorporate a loft conversion with rooflights