Planning authority
Welwyn Hatfield planning applications
3,788 public planning records in the production OGL dataset, newest first, linked to council source pages.
Applications
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Welwyn Hatfield/6/2026/0642/TC
1 The Links Welwyn Garden City AL8 7DS
Reduce Sycamore tree to a stump
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Welwyn Hatfield/6/2025/2564/FULL
55 Peplins Way Brookmans Park AL9 7UR
Erection of outbuilding to be sited within extended residential curtilage
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Welwyn Hatfield/6/2025/2625/LAWP
4 Broomfield Road Welwyn AL6 9DW
Certificate of lawfulness for the erection of a boundary wall and installation of hard standing and a drop kerb to the front of the property.
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Welwyn Hatfield/6/2026/0341/LAWP
60 Pooleys Lane Welham Green Hatfield AL9 7LF
Certificate of lawfulness for a proposed loft conversion with rear dormer and hip to gable and installation of rooflights
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Welwyn Hatfield/6/2026/0431/COND
47 Warren Way Digswell Welwyn AL6 0DL
Submission of details pursuant to condition number 1 (hard landscaping), on planning permission 6/2025/2339/HOUSE
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Welwyn Hatfield/6/2026/0659/VAR
38 The Ridgeway Cuffley Potters Bar EN6 4AX
Variation of condition 3 (Arboricultural Method Statement and the Tree Protection Plan) and condition 18 (approved plans) on planning permission 6/2023/2115/FULL
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Welwyn Hatfield/6/2025/2426/COND
Marlborough Court Green Close Brookmans Park AL9 7ST
Submission of details pursuant to condition number 1 (Construction methodology) on planning permission 6/2025/0434/FULL
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Welwyn Hatfield/6/2026/0153/COND
St Andrews Care Home Great North Road Welwyn Garden City AL8 7SR
Submission of details pursuant to condition number 1 (Tree protection measures), 2 (Integrated bird boxes), 3 (Proposed balustrade) and 4 (Hard and soft landscaping) on planning permission...
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Welwyn Hatfield/6/2026/0178/ADV
14 Town Centre Hatfield AL10 0JZ
Installation of internally illuminated fascia and projecting sign
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Welwyn Hatfield/6/2026/0299/HOUSE
6 Chelveston Welwyn Garden City AL7 2PW
Replacement windows and door to black, and the installation of air conditioning unit to first floor side elevation
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Welwyn Hatfield/6/2026/0314/HOUSE
6 The Limberlost Welwyn AL6 9TS
Erection of single storey porch to front elevation, partial conversion of garage, removal of existing rear dormer window and replacement with a new larger dormer window and fenestration alt...
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Welwyn Hatfield/6/2026/0326/HOUSE
6 Manor Close Hatfield AL10 9LW
Erection of a single storey rear extension and replacement of window with door on side elevation
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Welwyn Hatfield/6/2026/0336/LAWE
13 Wellfield Road Hatfield AL10 0BS
Certificate of lawfulness for the existing use of the application site for general industrial use, falling under use class B2
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Welwyn Hatfield/6/2026/0469/COND
Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB
Submission of details pursuant to condition number 16 (Scheme for the provision of fire hydrants) on planning permission 6/2024/1512/MAJ (NMA1)
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Welwyn Hatfield/6/2025/1772/FULL
Warren Farm Lodge Brocket Hall Welwyn Garden City AL8 7HX
Change of use of the existing building from storage to staff accommodation. Alterations to fenestration, installation of three sun tunnels, erection of a single storey front extension and i...
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Welwyn Hatfield/6/2026/0252/VAR
Land & Buildings on the West side of Travellers Lane Welham Green Hatfield AL9 7HF
Variation of Condition 2 (External Materials) on planning permission 6/2025/2071/VAR
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Welwyn Hatfield/6/2026/0329/EM
11 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Changes to front garden and driveway: - Replace soak-away under front garden and trenches from downpipes from the front of the house. - Widen driveway to 6m - Replace the wooden side gate....
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Welwyn Hatfield/6/2026/0396/TC
40 Barnfield Road Welwyn Garden City AL7 3TQ
Remove all ash to ground level. All Laburnums to reduce to around 3m above ground level.
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Welwyn Hatfield/6/2026/0398/EMT
40 Barnfield Road Welwyn Garden City AL7 3TQ
Remove all ash to ground level. All Laburnums to reduce to around 3m above ground level.
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Welwyn Hatfield/6/2026/0402/TC
11 The Green Welwyn AL6 9EA
T1 (A) - Yew, T2 (B) - Cherry and T3 (C) - Sycamore by approx 25% in height and width, reduce leylandii hedge labelled D by approx 3m in height
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Welwyn Hatfield/6/2026/0468/COND
Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB
Submission of details pursuant to Condition 14 (Noise - plant & equipment) on planning permission 6/2024/1512/MAJ (NMA1)
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Welwyn Hatfield/6/2026/0498/TC
101 Handside Lane Welwyn Garden City AL8 6SP
T1 Poplar to fell.
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Welwyn Hatfield/6/2026/0501/EMT
101 Handside Lane Welwyn Garden City AL8 6SP
T1 Poplar to fell.
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Welwyn Hatfield/6/2026/0651/HOUSE
42 Holloways Lane Welham Green Hatfield AL9 7NS
Erection of a part single storey and part 1.5 storey rear extension and single storey side extension, alterations to the roof and fenestration and installation of first floor rear dormers
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Welwyn Hatfield/6/2026/0672/COND
Land at South Way Hatfield AL10 8HS
Submission of details pursuant to condition number 4 (Surface Water Drainage Scheme) & 6 (method statement for interim and temporary drainage) on planning permission 6/2023/1532/OUTLINE
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Welwyn Hatfield/6/2025/1746/LAWP
58 Hazel Grove Hatfield AL10 9DX
Certificate of Lawfulness for the proposed use from C3 (single-family dwelling) to C2 (residential institution) children’s home
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Welwyn Hatfield/6/2026/0115/HOUSE
21 Goldings Crescent Hatfield AL10 8UD
Conversion of the garage to habitable use, installation of a window to the front elevation and installation of an external door to the rear elevation of the property.
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Welwyn Hatfield/6/2026/0266/TPO
Chestnut Lodge Chestnut Walk Welwyn AL6 0SB
TPO 652 T1 - crown reduce 1 x Oak tree by 2-3m Remove any major deadwood throughout crown
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Welwyn Hatfield/6/2026/0267/EM
43 The Vineyard Welwyn Garden City AL8 7PY
Single-storey timber garden outbuilding measuring approximately 4.5m in length, 3.6m in depth, 2.5m in height, and a small bike shed approximately 2.7m in length, 1.5m in width, and 2.1m in...
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Welwyn Hatfield/6/2026/0275/EM
66 Brockswood Lane Welwyn Garden City AL8 7BQ
Installation of electric charging point
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Welwyn Hatfield/6/2026/0284/HOUSE
48 Wilshere Road Welwyn AL6 9PX
Part single storey, part first floor and part two storey side and rear extensions and installation of rooflights
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Welwyn Hatfield/6/2026/0311/COND
Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB
Submission of details pursuant to condition number 13 (Proposed cycle store) and 15 (Proposed bin store) on planning permission 6/2024/1512/MAJ (NMA1)
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Welwyn Hatfield/6/2026/0313/EMT
29 Beehive Lane Welwyn Garden City AL7 4BJ
Removal of 6 conifers
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Welwyn Hatfield/6/2026/0320/EMT
3 Handside Green Welwyn Garden City AL8 6SQ
Reduce Hornbeam crown by 30%
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Welwyn Hatfield/6/2026/0365/COND
14 Town Centre Hatfield AL10 0JZ
Submission of details pursuant to condition 14 (air ventilation, extraction and odour control systems) and condition 29 (Noise Assessment) on planning permission 6/2021/1987/VAR
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Welwyn Hatfield/6/2026/0573/LAWP
Woodside Garden Lodge Wildhill Road Hatfield AL9 6DD
Certificate of lawfulness for the erection of a mobile home
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Welwyn Hatfield/6/2024/2447/EM
20 West Mead Welwyn Garden City AL7 4SA
Enhance existing hardstanding, doorstep and side access
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Welwyn Hatfield/6/2025/1368/COND
51 Welham Manor Welham Green HatfieldAL9 7EL
Submission of details pursuant to condition number 11 (Materials), 12 (Landscaping), 13 (Electric Vehicle Charging), 14 (Accessible and Adaptable Dwellings), 15 (Habitat Management and Main...
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Welwyn Hatfield/6/2026/0070/EM
345 Knightsfield Welwyn Garden City AL8 7NB
Erection of a single storey rear infill extension, garage conversion, outbuilding conversion to study with raising of roof
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Welwyn Hatfield/6/2026/0231/COND
18 Birchwood Close Hatfield AL10 0PP
Submission of details pursuant to Condition 1 (Arboricultural Method Statement and Tree Protection Plan) on planning permission 6/2025/0927/HOUSE
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Welwyn Hatfield/6/2026/0246/EM
71 Golden Dell Welwyn Garden City AL7 4EE
Replacing windows and replacing roof on extension
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Welwyn Hatfield/6/2026/0268/HOUSE
Ponsbourne Manor Topthorn House 5 The Ridings Newgate Street Village Hertford SG13 8QX
Erection of outbuilding in rear garden
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Welwyn Hatfield/6/2026/0366/PN8
8 Lemsford Road Hatfield AL10 0DH
Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.07m in height and 2.46m to the eaves following the demolition of existing outbuilding
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Welwyn Hatfield/6/2026/0525/FULL
73 Mymms Drive Brookmans Park AL9 7AA
Erection of a new dwelling following demolition of the existing building
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Welwyn Hatfield/6/2026/0644/HOUSE
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 conversion with rooflights, alterations to fe...
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Welwyn Hatfield/6/2025/2610/HOUSE
40 Brookside Crescent Cuffley Potters Bar EN6 4QN
Erection of two-storey front, side and rear extensions with a crown roof and interal alterations following partial demolition of the existing dwelling
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Welwyn Hatfield/6/2026/0258/TPO
1 Great North Road Welwyn AL6 0SH
Tree IDs: T1, T2, T3 Species: Hornbeam (Carpinus betulus) 1. Crown reduction of all three trees by approximately 2.0m - 3.0m in height and 2.0m in lateral spread. 2. Crown lift to approxima...
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Welwyn Hatfield/6/2026/0265/HOUSE
17 Guessens Road Welwyn Garden City AL8 6QL
Refurbishment of outbuilding including walls, roof and fenestration. Renovation of shed including rebuilding walls, replacement/raising of roof, installation of skylights and conversion of...
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Welwyn Hatfield/6/2026/0420/FULL
Land at Spinney Lane Rabley Heath Welwyn AL6 0QS
Cessation of existing commercial use and erection of 5 dwellings
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Welwyn Hatfield/6/2025/1748/HOUSE
16 Guessens Road Welwyn Garden City AL8 6QR
Erection of single storey side extension
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Welwyn Hatfield/6/2025/2022/HOUSE
45 Mardley Hill Welwyn AL6 0TT
Erection of a single storey rear infill extension and a single storey rear extension following the demolition of the existing single storey rear lean-to. Installation of decking and steps d...
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Welwyn Hatfield/6/2025/2553/COND
Land & Buildings on the West side of Travellers Lane Welham Green Hatfield AL9 7HF
Submission of details pursuant to Condition 1a (site investigation scheme), 1b (detailed risk assessment), 1c (options appraisal and remediation strategy), 1d (surface water drainage strate...
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Welwyn Hatfield/6/2026/0073/HOUSE
345 Knightsfield Welwyn Garden City AL8 7NB
Erection of a single storey rear infill extension, garage conversion, outbuilding conversion to study with raising of roof
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Welwyn Hatfield/6/2026/0218/COND
Templewood Primary School Pentley Park Welwyn Garden City AL8 7SD
Submission of details pursuant to condition number 3 (Written Scheme of Investigation) on listed building consent 6/2024/1850/VAR
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Welwyn Hatfield/6/2026/0250/HOUSE
1 The Limberlost Welwyn AL6 9TS
Alterations to existing roofs including raising the roof ridge height
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Welwyn Hatfield/6/2026/0251/LAWP
Woodlands The Ridgeway Northaw Potters Bar EN6 4BJ
Certificate of lawfulness for construction of new entrance gates and associated walling/railings
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Welwyn Hatfield/6/2026/0371/TPO
1 Applecroft Road Welwyn Garden City AL8 6JZ
Crown reduce 1 x oak back to previous points, removing approx. 3m of regrowth. TPO 865 (2018)
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Welwyn Hatfield/6/2026/0379/COND
56 Bell Lane Brookmans Park AL9 7AY
Submission of details pursuant to condition number 1 (proposed fireplace) & condition 2 (results of opening works) on planning permission 6/2025/1681/LB
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Welwyn Hatfield/6/2025/1608/FULL
115 Dixons Hill Road Welham Green Hatfield AL9 7EE
Conversion and extension of the roof, including a dormer window to the front roof slope of the existing garage to form a sensory room and office, together with the creation of a rear glass...
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Welwyn Hatfield/6/2026/0146/EM
32 Guessens Road Welwyn Garden City AL8 6RA
Rebuild two chimneys