Planning authority · 2026
Welwyn Hatfield planning applications 2026
1,244 public planning records from 2026 in the production OGL dataset, newest first, linked to council source pages.
Applications
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Welwyn Hatfield/6/2025/2533/TC
12 Sherrardspark Road Welwyn Garden City AL8 7JP
T1 - 1 x Oak to reduce by around 1.5 metres in height and width. Lower south-westerly limbs to reduce by around 2.5 metres. Remove deadwood consisting of branches greater than 40mm in diame...
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Welwyn Hatfield/6/2025/2539/EMT
12 Sherrardspark Road Welwyn Garden City AL8 7JP
T1 - 1 x Oak to reduce by around 1.5 metres in height and width. Lower south-westerly limbs to reduce by around 2.5 metres. Remove deadwood consisting of branches greater than 40mm in diame...
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Welwyn Hatfield/6/2025/2559/LAWP
3 Cecil Crescent Hatfield AL10 0HF
Certificate of lawfulness for rear dormer by way of hip to gable conversion with rooflights on front slope
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Welwyn Hatfield/6/2025/2560/HOUSE
37 Hollybush Lane Welwyn Garden City AL7 4JH
Erection of single storey rear extension and side garage extension, following demolition of existing garage
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Welwyn Hatfield/6/2025/2563/EMT
29 Digswell Park Road Welwyn Garden City AL8 7NW
T1 - 1 x Beech left-hand stem over footpath and road to reduce by 4 metres. Branch over roadway to reduce by 3 metres. Branch over right side of footpath to reduce by 2.5 metres and lift to...
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Welwyn Hatfield/6/2025/2566/HOUSE
45 Beechfield Road Welwyn Garden City AL7 3RG
Erection of a single storey rear extension and installation of ground floor side window
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Welwyn Hatfield/6/2025/2583/HOUSE
73 Attimore Road Welwyn Garden City AL8 6LG
Alterations to ground floor rear openings and replacement of a secondary front door with a window; installation of rooflights; replacement of the entrance door and garage door with matching...
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Welwyn Hatfield/6/2025/2595/TC
9 High Grove Welwyn Garden City AL8 7DW
1 x Eucalyptus to reduce over long branches (over the garden of No. 9 only) throughout canopy by around 3 metres in order to create a more compact canopy shape. To reduce over extended bran...
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Welwyn Hatfield/6/2025/2616/EMT
22 Dellcott Close Welwyn Garden City AL8 7BD
1 x Apple to reduce by around 2m height and width. 1 x Holly to reduce by round 1m.
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Welwyn Hatfield/6/2025/2618/TC
22 Dellcott Close Welwyn Garden City AL8 7BD
1 x Apple to reduce by around 2m height and width. 1 x Holly to reduce by round 1m.
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Welwyn Hatfield/6/2026/0012/EMT
33 Sherrardspark Road Welwyn Garden City AL8 7JW
To remove a hornbeam tree.
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Welwyn Hatfield/6/2026/0028/TPO
Newlands Old Hertford Road Hatfield AL9 5EX
G1 Lime trees to clear basal vegetation and epicormic growth. Crown lift roadside to 5m. (TPO 854 (2018))
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Welwyn Hatfield/6/2026/0030/TC
Car Park Batterdale Hatfield AL9 5AF
T1 and T2 Lawsons cypress to be felled. Replaced with a more appropriate species.
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Welwyn Hatfield/6/2025/2236/HOUSE
14 Bullens Green Lane St Albans AL4 0QS
Erection of two storey side extension, single storey rear extension and replacement patio and garden wall with stepped access to the rear garden. Removal of front archway and installation o...
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Welwyn Hatfield/6/2025/2441/HOUSE
12 Brocket Road Welwyn Garden City AL8 7TY
Erection of a part two storey and part single storey rear extension
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Welwyn Hatfield/6/2025/2459/LAWP
127 Guessens Road Welwyn Garden City AL8 6RR
Certificate of lawfulness for extension to the rear of the property, as shown in the drawings. Replacement of existing fencing to rear of property
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Welwyn Hatfield/6/2025/2545/HOUSE
74 Peartree Lane Welwyn Garden City AL7 3UH
Erection of single storey rear and side wrap around extension and first floor rear extension
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Welwyn Hatfield/6/2025/2552/COND
Plot 5610 Gypsy Moth Avenue Hatfield Business Park Hatfield AL10 9BS
Submission of details pursuant to Condition 6 (Materials Samples) on planning permission 6/2022/2759/FULL
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Welwyn Hatfield/6/2026/0009/EM
9 The Quadrangle Welwyn Garden City AL8 6SG
Installation of EV charger
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Welwyn Hatfield/6/2026/0159/EM
8 Mannicotts Welwyn Garden City AL8 7BW
Erection of a single storey rear extension, first floor rear extension, removal of existing roof and replacement roof with loft and crown roof. New dormers and alterations to openings
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Welwyn Hatfield/6/2024/1946/COND
Land East of A6129 Stanborough Hatfield AL8 7TB
Submission of details pursuant to Conditions 4 (BGP), 5 (Otter and Water Vole), 8 (Arboricultural Information), 9 (Construction Environmental Management Plan), 11 (Additional Layout Plans),...
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Welwyn Hatfield/6/2025/2244/COND
Land East of A6129 Stanborough Hatfield AL8 7TB
Submission of details pursuant of Condition 15 (Archaeological Written Scheme of Investigation) and Condition 19 (Provision of Fire Hydrants) on planning permission 6/2023/1802/MAJ
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Welwyn Hatfield/6/2025/2268/FULL
30 Honeysuckle Gardens Hatfield AL10 8PJ
Erection of fence facilitating change of use of amenity land to residential garden
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Welwyn Hatfield/6/2025/2301/EM
12 Nut Grove Welwyn Garden City AL8 7SQ
Erection of part two storey, part single storey rear extension, first floor side extension and single storey front porch extension with canopy
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Welwyn Hatfield/6/2025/2543/LAWP
4 Bluebells Welwyn AL6 0XD
Certificate of lawfulness for conversion of existing garage into habitable accommodation, erection of a side/rear extension following demolition of existing infill extension and insertion o...
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Welwyn Hatfield/6/2025/2550/TPO
16 Bracken Lane Welwyn AL6 0RB
Reduce 2 x Oak trees crown reduction by 20-30% (1.5-2.5m) cut back to suitable growing points - rear Oak covered by TPO 055 T7 Reduce 2 x Hornbeams crown reduction by 20-30% (1.5-2.5m) cut...
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Welwyn Hatfield/6/2025/2569/TC
8 Mannicotts Welwyn Garden City AL8 7BW
Apple Tree - Remove the tree given state of branches, following the collapse of a large branch earlier this year
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Welwyn Hatfield/6/2026/0161/EM
43 Moorlands Welwyn Garden City AL7 4PY
Erection of a single storey rear extension and a front porch
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Welwyn Hatfield/6/2025/2196/COND
Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD
Submission of details pursuant to condition number 2 (Hard and soft landscaping) and 3 (Landscape and Ecological Management Plan) on planning permission 6/2024/1342/RM
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Welwyn Hatfield/6/2025/2380/LAWP
17 Great Braitch Lane Hatfield AL10 9FD
Certificate of lawfulness for the erection of a garden office
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Welwyn Hatfield/6/2025/2401/LB
11A High Street Welwyn AL6 9EE
Repair and colour change to existing brickwork
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Welwyn Hatfield/6/2025/2500/VAR
13 North Ride Welwyn AL6 9RD
Variation of condition 2 (approved plans) on planning permission 6/2024/2421/HOUSE
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Welwyn Hatfield/6/2026/0125/MAJ
Land West of Brookmans Park Railway Station Bradmore Lane Brookmans Park AL9 7ST
A hybrid planning application (part full and part outline) for a phased and severable development comprising: 1. Full planning permission for 437 residential dwellings (Use Class C3); assoc...
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Welwyn Hatfield/6/2025/1554/FULL
Goldings House Welwyn Hatfield Foyer Goldings Crescent Hatfield AL10 8TZ
Creation of outside bike storage space and bin store and associated landscaping
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Welwyn Hatfield/6/2025/1790/HOUSE
Essendon Lodge School Lane Essendon Hatfield AL9 6HD
Erection of a detached traditional timber clad garage following the demolition of the existing garage
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Welwyn Hatfield/6/2025/2114/HOUSE
19 Homewood Avenue Cuffley Potters Bar EN6 4QG
Conversion of the garage to habitable use with a parapet wall above on the front elevation and the erection of a flat roof canopy over the front entrance to the dwelling following the demol...
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Welwyn Hatfield/6/2025/2275/LAWP
10 Bluebell Way Hatfield AL10 9FJ
Certificate of lawfulness for the erection of a single-storey detached garden room within the rear garden of the property, to be used as a home office/leisure space
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Welwyn Hatfield/6/2025/2304/HOUSE
12 Nut Grove Welwyn Garden City AL8 7SQ
Erection of part two storey, part single storey rear extension, first floor side extension and single storey front porch extension with canopy
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Welwyn Hatfield/6/2025/2313/HOUSE
26 Holloways Lane Welham Green Hatfield AL9 7NP
Erection of a single storey rear extension and alterations to fenestration
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Welwyn Hatfield/6/2025/2315/FULL
2 Station Road Cuffley Potters Bar EN6 4HT
Erection of a single storey rear extension, relocation of separate access door to upper floors at front elevation with adjustment of shop front
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Welwyn Hatfield/6/2025/2316/FULL
20 West Mead Welwyn Garden City AL7 4SA
Change of use from general amenity land for the extension of hardstanding with the remaining land being retained as open garden
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Welwyn Hatfield/6/2025/2509/HOUSE
45 Pine Grove Brookmans Park AL9 7BL
Erection of a first floor side extension; replacement of existing gates and installation of new railing on the front boundary wall; front landscaping; new rear raised patio and covered bbq...
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Welwyn Hatfield/6/2025/2516/HOUSE
57 Tolmers Road Cuffley Potters Bar EN6 4JG
Change to garden levels to accommodate extension
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Welwyn Hatfield/6/2025/2522/HOUSE
3 Bradgate Cuffley Potters Bar EN6 4RW
Erection of a single storey rear extension
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Welwyn Hatfield/6/2025/2523/COND
Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA
Submission of details pursuant to condition number 1 (Travel plan) on planning permission 6/2018/2943/MAJ
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Welwyn Hatfield/6/2026/0156/HOUSE
8 Mannicotts Welwyn Garden City AL8 7BW
Erection of single storey rear extension, first floor rear extension, replacement of roof with crown roof and new dormers with alterations to openings
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Welwyn Hatfield/6/2025/2376/COND
29 Broadwater Road Welwyn Garden City AL7 3BQ
Submission of details pursuant to condition 6 (Photovoltaic Installations) on planning permission 6/2024/2195/VAR
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Welwyn Hatfield/6/2025/2436/EM
17 Guessens Road Welwyn Garden City AL8 6QL
Replacement front door
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Welwyn Hatfield/6/2025/2497/EM
54 Parkway Welwyn Garden City AL8 6HH
Erection of a single storey rear extension to replace existing, insertion of rooflights to the rear slope
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Welwyn Hatfield/6/2025/2561/EM
3 Woodland Rise Welwyn Garden City AL8 7LE
Realignment, extension of front drive, replacement of concrete paving slabs with structural grid with pea shingle covering and extension of existing flower bed (soft landscaping remains at...
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Welwyn Hatfield/6/2025/2228/EM
79 Attimore Road Welwyn Garden City AL8 6LG
Erection of a single storey rear extension, first floor front and rear dormers to side, loft conversion, porch canopy, enlarged driveway & raised roof to existing garage
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Welwyn Hatfield/6/2025/2461/FULL
Tesco Extra Great North Road Hatfield AL9 5JY
Retrospective permission for removal of click and collect building and canopy and the retention of click and collect building, 2x canopy above and bollards
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Welwyn Hatfield/6/2025/2467/HOUSE
15 Oak Road Woolmer Green Knebworth SG3 6LS
Erection of rear conservatory
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Welwyn Hatfield/6/2025/2495/HOUSE
30 St Albans Road East Hatfield AL10 0EH
Erection of a single story side extension and new entrance porch to side of property
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Welwyn Hatfield/6/2025/2502/HOUSE
6 The Limberlost Welwyn AL6 9TS
Erection of a single storey rear extension and front porch, installation of rear dormer, fenestration alterations, amendments to existing decking and outdoor staircase. Following the remova...
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Welwyn Hatfield/6/2025/2503/COND
Videne Hawkshead Road Little Heath Potters Bar EN6 1LX
Submission of details pursuant to Condition 15 (Landscape and Ecological Management Plan (LEMP)) on planning permission 6/2022/2317/MAJ
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Welwyn Hatfield/6/2026/0122/FULL
University Bus Garage Gypsy Moth Avenue Hatfield AL10 9BS
The installation of electric vehicle infrastructure to convert existing diesel bus fleet to fully electric vehicles (EV)
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Welwyn Hatfield/6/2026/0127/COND
Land off London Road Woolmer Green SG3 6JZ
Submission of details pursuant to Condition 2 (LEMP) and 8 (refuse and recycling) on planning permission 6/2025/1501/RM
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Welwyn Hatfield/6/2025/2042/MAJ
Brick Kiln Cottage 7 Homerswood Lane Ayot St Peter Welwyn AL6 9AD
Erection of extension to the stable block to provide workshop and storage space for ground maintenance machinery
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Welwyn Hatfield/6/2025/2226/HOUSE
79 Attimore Road Welwyn Garden City AL8 6LG
Erection of single storey rear extension, loft conversion including front and rear gable end windows, raising roof of existing garage, part conversion of existing garage to a habitable room...