Planning Applications in AL8

Planning authority: Welwyn Hatfield Borough Council

Search current and historic planning applications in the AL8 postcode district in Welwyn Hatfield - 133 in the last 90 days. Filter applications by date, status, development type, or number of homes, view them on the map, or create a free alert for new applications.

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Showing 50 of 133 applications
6/2026/0495/EM 25 Jul 2026 Approved

27 Blakemere Road Welwyn Garden City AL8 7PQ

Erection of a single storey rear extension

Welwyn Hatfield 25 Jul 2026
6/2026/0621/FULL 25 Jul 2026 Refused

45 Great Dell Welwyn Garden City AL8 7HP

Change of use of amenity land to driveway area with part hedge removal, part two storey rear extension, roof lantern to existing kitchen roof and alte...

Welwyn Hatfield 25 Jul 2026
6/2026/0628/EM 25 Jul 2026 Approved

2 Handside Lane Welwyn Garden City AL8 6SF

Erection of single storey rear extension following demolition of conservatory, garage conversion with raising of roof and front extension, loft conver...

Welwyn Hatfield 25 Jul 2026
6/2026/0716/EM 25 Jul 2026 Approved

15 Guessens Road Welwyn Garden City AL8 6QL

Erection of two storey rear extension, single storey side and rear extensions following demolition of existing garage, insertion of rooflights and ins...

Welwyn Hatfield 25 Jul 2026
6/2026/0728/HOUSE 25 Jul 2026 Pending

78 Valley Road Welwyn Garden City AL8 7DP

Erection of a part single, part two storey rear extension, garage conversion with removal of garage door and installation of rooflights

Welwyn Hatfield 25 Jul 2026
6/2026/0732/EM 25 Jul 2026 Approved

3 Coneydale Welwyn Garden City AL8 7RX

Installation of solar panel on rear south-facing roof

Welwyn Hatfield 25 Jul 2026
6/2026/0742/EM 25 Jul 2026 Approved

43 Brockswood Lane Welwyn Garden City AL8 7BE

Erection of garage/garden office following the demolition of the existing garage

Welwyn Hatfield 25 Jul 2026
6/2026/1280/TC 21 Jul 2026 Pending

110 Woodside House Bridge Road Welwyn Garden City AL8 6UL

T1- muti-stemmed Oak tree to lift by 4 metres and cut back by 2-3 metres for light and maintenance. T2-a row of 7 Beech trees to lift to 4 metres and ...

Welwyn Hatfield 21 Jul 2026
6/2026/1277/TC 20 Jul 2026 Pending

36 Blakemere Road Welwyn Garden City AL8 7PJ

Reduce 1 x Lime Tree by removing up to 3m of regrowth

Welwyn Hatfield 20 Jul 2026
6/2026/1278/HOUSE 20 Jul 2026 Pending

10 Dellcott Close Welwyn Garden City AL8 7BD

Erection of a part single, part double storey extension with replacement chimney following the demolition of existing part single, part double storey ...

Welwyn Hatfield 20 Jul 2026
6/2026/1254/EMT 16 Jul 2026 Pending

94 Parkway, Welwyn Garden City, AL8 6HL

1 x Hornbeam to reduce by approximately 3m height and width.

Welwyn Hatfield 16 Jul 2026
6/2026/1256/TC 16 Jul 2026 Pending

94 Parkway Welwyn Garden City AL8 6HL

1 x Hornbeam to reduce by approx 3m height and width

Welwyn Hatfield 16 Jul 2026
6/2026/1242/EM 15 Jul 2026 Pending

49 Bridge Road Welwyn Garden City AL8 6UH

Enlargement & Replacement of existing driveway & paths

Welwyn Hatfield 15 Jul 2026
6/2026/1236/EMT 14 Jul 2026 Pending

30 Coneydale Welwyn Garden City AL8 7RZ

Reduction by 40% of Oak tree (T5) Reduction of the Holly hedge (T8) to 8 feet high

Welwyn Hatfield 14 Jul 2026
6/2026/1221/EM 13 Jul 2026 Pending

14 Turmore Dale Welwyn Garden City AL8 6HS

Installation of air conditioning to the first floor with condenser unit to the left side wall

Welwyn Hatfield 13 Jul 2026
6/2026/1230/TC 13 Jul 2026 Pending

30 Coneydale Welwyn Garden City AL8 7RZ

Tree and Hedge maintenance and remedial works 1. Reduction by 40% of oak tree (T5 on attached plan) . A trunk of this tree recently fell and was remov...

Welwyn Hatfield 13 Jul 2026
6/2026/1231/FULL 13 Jul 2026 Pending

St Johns Church Of England Jmi School Lemsford Village Lemsford Welwyn Garden City AL8 7TR

Installation of new fencing and gates across the school boundary adjacent to the main road

Welwyn Hatfield 13 Jul 2026
6/2026/1208/TC 10 Jul 2026 Pending

70 Valley Road Welwyn Garden City AL8 7DP

1 x Ash to reduce canopy by 2.5m height & width.

Welwyn Hatfield 10 Jul 2026
6/2026/1209/TC 10 Jul 2026 Pending

25 Rooks Hill Welwyn Garden City AL8 6EU

T1 x Cherry to reduce by approximately 2.5m in height and 1.5m in width. Lift to 4m above ground level

Welwyn Hatfield 10 Jul 2026
6/2026/1211/EMT 10 Jul 2026 Pending

70 Valley Road Welwyn Garden City AL8 7DP

1 x Ash to reduce canopy by 2.5m height & width.

Welwyn Hatfield 10 Jul 2026
6/2026/1212/EMT 10 Jul 2026 Pending

25 Rooks Hill Welwyn Garden City AL8 6EU

1 x Cherry to reduce by approximately 2.5m in height and 1.5m in width. Lift to 4m above ground level dominating garden and overhanging garage entranc...

Welwyn Hatfield 10 Jul 2026
6/2026/1191/COND 9 Jul 2026 Pending

Long Arm Short Arm 18 Lemsford Village Lemsford Welwyn Garden City AL8 7TN

Submission of details pursuant of condition 3 (ground investigation), condition 5 (construction method statement), condition 8 (detailed section), con...

Welwyn Hatfield 9 Jul 2026
6/2026/1187/TC 8 Jul 2026 Pending

85 Pentley Park Welwyn Garden City AL8 7SL

Ground works and associated root pruning/ severance of T1 (Oak) to facilitate installation of a root barrier 15m in length and 3.5m in depth.

Welwyn Hatfield 8 Jul 2026
6/2026/1190/EM 8 Jul 2026 Pending

10 Walden Road Welwyn Garden City AL8 7PF

Retrospective consent for the installation of a single external condenser unit for a reversible air-to-air heat pump

Welwyn Hatfield 8 Jul 2026
6/2026/1174/TC 7 Jul 2026 Pending

2 Handside Lane Welwyn Garden City AL8 6SF

Leylandii to fell

Welwyn Hatfield 7 Jul 2026
6/2026/1175/HOUSE 7 Jul 2026 Pending

5A Honeycroft Welwyn Garden City AL8 6HR

Erection of a single storey rear extension, alterations to opening on side elevation and garden room with covered area following demolition of conserv...

Welwyn Hatfield 7 Jul 2026
6/2026/1164/FULL 6 Jul 2026 Pending

Brocket Park Brocket Hall Marford Road Lemsford Welwyn Garden City AL8 7XG

Retention of driving range and conversion of Warren Farm Barn

Welwyn Hatfield 6 Jul 2026
6/2026/1171/EM 6 Jul 2026 Pending

5A Honeycroft Welwyn Garden City AL8 6HR

Erection of a single storey rear extension, alterations to opening on side elevation and garden room with covered area following demolition of conserv...

Welwyn Hatfield 6 Jul 2026
6/2026/1172/EM 6 Jul 2026 Pending

13 Barleycroft Road, Welwyn Garden City, AL8 6JX

Installation of air conditioning (air-to-air heat pump)

Welwyn Hatfield 6 Jul 2026
6/2026/1151/TC 2 Jul 2026 Pending

14 Dellcott Close Welwyn Garden City AL8 7BD

Tulip tree - full crown reduction to previous reduction (approximately 2 metres). 10% crown thin and remove dead wood and crossing/rubbing branches.

Welwyn Hatfield 2 Jul 2026
6/2026/1152/FULL 2 Jul 2026 Pending

31A Howardsgate Welwyn Garden City AL8 6AP

Erection of an additional storey at second floor to accommodate 3 residential units including alterations to internal access

Welwyn Hatfield 2 Jul 2026
6/2026/1154/TC 2 Jul 2026 Pending

40 Attimore Road Welwyn Garden City AL8 6LP

1 x Willow to reduce canopy to leave a standing trunk of around 3m above ground level due to recent stem failure Top of tree has collapsed leaving one...

Welwyn Hatfield 2 Jul 2026
6/2026/1155/EMT 2 Jul 2026 Pending

40 Attimore Road, Welwyn Garden City, AL8 6LP

Reduce 1 x willow to a 3m standing trunk

Welwyn Hatfield 2 Jul 2026
6/2026/1143/EMT 1 Jul 2026 Pending

6 Youngs Rise, Welwyn Garden City, AL8 6RU

G1 - Laurel and Holly - Trim sides and top to previous, 15% Approx. T2 Chestnut - Reduce and shape crown by 20%. T3 Chestnut - Reduce and shape crown ...

Welwyn Hatfield 1 Jul 2026
6/2026/1144/EMT 1 Jul 2026 Pending

74 Valley Road Welwyn Garden City AL8 7DP

Removal of dead Ash tree in the back of the garden- 5 day Notice

Welwyn Hatfield 1 Jul 2026
6/2026/1148/EMT 1 Jul 2026 Pending

2 Handside Lane Welwyn Garden City AL8 6SF

Removal of 1 x Leylandii tree in back garden

Welwyn Hatfield 1 Jul 2026
6/2026/1130/TPO 30 Jun 2026 Pending

Perrywood Walden Road Welwyn Garden City AL8 7PZ

G1 - 2 x Beech and 3 x Hornbeams all hanging low over the footpath and road. Crown lift to 4m. T2 - Hornbeam growing very close to the building and lo...

Welwyn Hatfield 30 Jun 2026
6/2026/1134/TC 30 Jun 2026 Pending

20 Roundwood Drive Welwyn Garden City AL8 7JZ

1 x Hornbeam to reduce by approximately 2m in both height and width, not exceeding historic pruning points. the tree has routinely been maintained bac...

Welwyn Hatfield 30 Jun 2026
6/2026/1135/TC 30 Jun 2026 Pending

22 Roundwood Drive Welwyn Garden City AL8 7JZ

1 x Spruce to reduce Southern branches (towards property) by approximately 1.2m from branch tips, full height of the tree Large mature tree with poten...

Welwyn Hatfield 30 Jun 2026
6/2026/1137/EMT 30 Jun 2026 Pending

20 Roundwood Drive Welwyn Garden City AL8 7JZ

1 x Hornbeam to reduce by approximately 2m in both height and width, not exceeding historic pruning points. the tree has routinely been maintained bac...

Welwyn Hatfield 30 Jun 2026
6/2026/1138/EMT 30 Jun 2026 Pending

22 Roundwood Drive Welwyn Garden City AL8 7JZ

1 x Spruce to reduce Southern branches (towards property) by approximately 1.2m from branch tips, full height of the tree Large mature tree with poten...

Welwyn Hatfield 30 Jun 2026
6/2026/1114/TC 29 Jun 2026 Pending

30 Barleycroft Road Welwyn Garden City AL8 6JU

Cut back Norway spruce back to the boundary that is growing over from number 28's garden.

Welwyn Hatfield 29 Jun 2026
6/2026/1117/EMT 29 Jun 2026 Pending

28 Barleycroft Road Welwyn Garden City AL8 6JU

Cut back Norway Spruce back to boundary growing over from number 28's garden

Welwyn Hatfield 29 Jun 2026
6/2026/1119/ADV 29 Jun 2026 Pending

Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

Proposed installation of signage

Welwyn Hatfield 29 Jun 2026
6/2026/1122/COND 29 Jun 2026 Pending

Land adjacent to 42 Lemsford Village Lemsford Welwyn Garden City AL8 7TR

Submission of details pursuant of condition 5 (external materials) on planning permission 6/2025/1228/FULL

Welwyn Hatfield 29 Jun 2026
6/2026/1127/EM 29 Jun 2026 Pending

16 Broadfield Place Welwyn Garden City AL8 6LJ

Replacement hardstanding and new fences following removal of hedge

Welwyn Hatfield 29 Jun 2026
6/2026/1106/EMT 26 Jun 2026 Pending

14 Dellcott Close Welwyn Garden City AL8 7BD

Tulip tree reduction to previous crown reduction approx 2m

Welwyn Hatfield 26 Jun 2026
6/2026/1097/HOUSE 25 Jun 2026 Pending

23 Pentley Park Welwyn Garden City AL8 7RT

Erection of single storey side/rear extension, conversion of existing garage to a habitable room including raising existing roof and alterations to fe...

Welwyn Hatfield 25 Jun 2026
6/2026/1101/EM 25 Jun 2026 Pending

48 Marsden Green Welwyn Garden City AL8 6YB

Installation of a single room split air conditioning unit for the property main living room

Welwyn Hatfield 25 Jun 2026
6/2026/1091/HOUSE 24 Jun 2026 Pending

12 Melbourne Court Welwyn Garden City AL8 6LL

Erection of a detached outbuilding for use as a habitable residential annex ancillary to the main dwellinghouse

Welwyn Hatfield 24 Jun 2026
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Data updated daily. Source: Welwyn Hatfield Borough Council planning portal.