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/6/2026/0526/HOUSE
11 Wheatbarn Welwyn Garden City AL7 2BN
Erection of a single storey rear extension following the demolition of conservatory
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Welwyn Hatfield/6/2026/0595/HOUSE
60 Westland Drive Brookmans Park AL9 7UQ
Erection of single storey rear extension, hip to gable loft conversion and insertion of rear box dormer and alterations to fenestration, following the partial demolition of detached garage,...
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Welwyn Hatfield/6/2026/0641/TPO
Oakview 103 Brookmans Avenue Brookmans Park AL9 7QG
T1 – Oak – height 15m – spread 12m – w3w aims.dime.into Requested works: 1m Reduction of entire tree, removing all deadwood. Reasons for works: Tree is in proximity to public footpath, used...
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Welwyn Hatfield/6/2026/0675/LAWE
49 Woods Avenue Hatfield AL10 8QE
Certificate of lawfulness for the conversion of dwelling into two 1 bedroom flats
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Welwyn Hatfield/6/2026/0700/HOUSE
24 Hawkshead Lane North Mymms AL9 7TB
Alteration and extension to roof with the insertion of a new rooflight. Garage conversion involving the replacement of garage door with window
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Welwyn Hatfield/6/2026/0702/HOUSE
14 Birkin Court Welwyn Garden City AL7 3FA
Erection of a first floor rear extension over existing terrace, ground floor rear extension and partial garage conversion
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Welwyn Hatfield/6/2026/0736/TC
24 Moorlands Welwyn Garden City AL7 4PP
Conifer - fell 6 trees on border of property due to excessive height to be replaced with alternative hedging. Fence also is present on boundary of property separating between 24 Moorlands a...
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Welwyn Hatfield/6/2026/1037/TC
6 Hobbs Hill Welwyn AL6 9DS
Fell birch. stump grind and consider replacement (see further written statement)
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Welwyn Hatfield/6/2026/1038/HOUSE
55 Garden Road Woolmer Green SG3 6JZ
Erection of a part two/single storey side and rear extension and new front porch following the demolition of existing single storey side extension and porch
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Welwyn Hatfield/6/2026/1039/EM
21 Fearnley Road Welwyn Garden City AL8 6HW
Erection of a single-storey detached garden room (outbuilding) measuring 4.0 m × 3.0 m with a mono-pitch roof to a maximum height of 2.40 m sited in the rear corner of the garden (Retrospec...
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Welwyn Hatfield/6/2026/1041/EM
5 Daniells Welwyn Garden City AL7 1QY
Replace existing concrete driveway with resin bound gravel
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Welwyn Hatfield/6/2026/0415/EM
128 Thistle Grove Welwyn Garden City AL7 4AQ
Replace existing driveway and path with driveway and path of permeable block paving
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Welwyn Hatfield/6/2026/0611/TPO
17 Oaklands Rise Welwyn AL6 0RN
Oak tree TPO 661 - T1 Remove deadwood
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Welwyn Hatfield/6/2026/0631/EM
10 Pinewood Welwyn Garden City AL7 3TL
Erection of single storey side and rear extensions
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Welwyn Hatfield/6/2026/0647/HOUSE
1 Oakington Welwyn Garden City AL7 2PS
Erection of a single-storey rear extension, conversion of existing garage to habitable space and formation of a porch
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Welwyn Hatfield/6/2026/0704/LAWP
7 Tolmers Road Cuffley Potters Bar EN6 4JF
Certificate of lawfulness for change of use from a residential dwelling to a children's home for up to two children with a registered manager, two day carers and two overnight carers workin...
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Welwyn Hatfield/6/2026/0725/HOUSE
10 West Mead Welwyn Garden City AL7 4SA
Erection of a single storey rear extension, raising of roof to existing side extension and canopy area with polycarbonate sheeting roof
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Welwyn Hatfield/6/2026/0749/HOUSE
6 Witchford Welwyn Garden City AL7 2PR
Erection of single rear extension
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Welwyn Hatfield/6/2026/0892/COND
Land East of A6129 Stanborough Hatfield AL8 7TB
Submission of details pursuant to Condition 1 (Pre-Works Chamber and Pipe Survey) on planning permission 6/2023/1802/MAJ
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Welwyn Hatfield/6/2026/0914/ADV
26 Stonehills Welwyn Garden City AL8 6NA
Installation of: 3No. LINEAR Sports Direct logo - externally mounted and centrally aligned above the entrance. Internally illuminated by white LEDs 3No. USC & GAME logo -Externally mounted...
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Welwyn Hatfield/6/2026/1023/EM
84 Attimore Road Welwyn Garden City AL8 6LP
Installation of 6 solar panels on a flat roof side extension with associated equipment installed to side of property
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Welwyn Hatfield/6/2026/1027/ADV
Stellantis & You Hatfield 1 Great North Road Hatfield AL9 5JA
Alterations to external elevations including painting of existing cladding & shopfronts, installation of new signage and alterations to vehicle parking layout
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Welwyn Hatfield/6/2026/1031/HOUSE
17 Sycamore Avenue Hatfield AL10 8LZ
Erection of a part single storey, part two-storey rear extension, garage conversion, front porch extension, alterations to fenestration and external materials
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Welwyn Hatfield/6/2026/1032/COND
Salisbury Square Hatfield AL7 5AD
Submission of details pursuant of condition 18 (access) on planning permission 6/2021/3422/MAJ
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Welwyn Hatfield/6/2025/1043/HOUSE
Ayot Farm Bibbs Hall Lane Ayot St Lawrence AL6 9BY
Erection of single story extension following removal of garage and outbuilding
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Welwyn Hatfield/6/2025/1257/LB
Ayot Farm Bibbs Hall Lane Ayot St Lawrence AL6 9BY
Erection of single storey extension following removal of garage and outbuilding
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Welwyn Hatfield/6/2026/0604/COND
26 Station Road Welham Green Hatfield AL9 7PG
Submission of details pursuant to Condition 6 (Construction Management Plan) on planning permission 6/2024/2418/MAJ
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Welwyn Hatfield/6/2026/0649/EIA
Land South of Northaw Road East Cuffley
Request for a screening opinion to determine whether an Environmental Statement is required in relation to the development of up to approximately 200-250 dwellings with associated landscapi...
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Welwyn Hatfield/6/2026/0655/LAWP
Former British Aerospace Gatehouse Immediately South of Staff Mess Comet Way Hatfield AL10 0XR
Certificate of lawfulness for the rendering of external walls and installation of protective capping over coping and to inside face of parapet
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Welwyn Hatfield/6/2026/0663/COND
51 Brookside Crescent Cuffley Potters Bar EN6 4QP
Submission of details pursuant to Condition 2 (details of the proposed crown roof) on planning permission 6/2025/2346/HOUSE
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Welwyn Hatfield/6/2026/0729/PN8
100 Crawford Road Hatfield AL10 0PE
Prior approval for the erection of a single storey rear extension, measuring 6m in depth, 3m in height and 2.90m to the eaves
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Welwyn Hatfield/6/2026/0739/COND
Mill Green 5 Mill Green Cottages Bush Hall Lane Hatfield AL9 5PB
Submission of details pursuant to condition number 1 (brick replacement method) and 2 (material sample tiles) on listed building consent 6/2026/0039/LB
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Welwyn Hatfield/6/2026/0770/HOUSE
5 Branch Close Hatfield AL10 0TW
Erection of a single storey garage extension
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Welwyn Hatfield/6/2026/0963/HOUSE
21 Landbeach Welwyn Garden City AL7 2QB
Erection of single side and rear extensions
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Welwyn Hatfield/6/2026/1015/HOUSE
2 Waterworks Cottages Northaw Road East Cuffley Potters Bar EN6 4RB
Erection of open porch, alteration to fenestration, raised rear patio and installation of hipped roofs above the exising front elelvation bay windows.
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Welwyn Hatfield/6/2026/1016/EM
32 Brockswood Lane Welwyn Garden City AL8 7BG
Erection of single-storey rear extension, new outbuilding and extended driveway
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Welwyn Hatfield/6/2026/1028/FULL
Stellantis &You Hatfield 1 Great North Road Hatfield AL9 5JA
Alterations to external elevations including painting of existing cladding & shopfronts, installation of new signage and alterations to vehicle parking layout
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Welwyn Hatfield/6/2026/1030/FULL
Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA
Proposed new manège with associated lighting, fencing, landscaping, and associated works
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Welwyn Hatfield/6/2026/0158/HOUSE
Woodlands Shepherds Way Northaw Potters Bar EN6 4BN
Installation of replacement entrance gates and construction of an electricity substation/bin store
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Welwyn Hatfield/6/2026/0626/EMT
12 The Valley Green Welwyn Garden City AL8 7DQ
Remove Robinia tree and stump
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Welwyn Hatfield/6/2026/0630/EM
56 Marley Road Welwyn Garden City AL7 4BS
Proposed installation of solar panels to rear roof of property
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Welwyn Hatfield/6/2026/0654/HOUSE
2 Hill Rise Cuffley Potters Bar EN6 4EE
Erection of a detached carport with store
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Welwyn Hatfield/6/2026/0668/EM
65 Handside Lane Welwyn Garden City AL8 6SH
Extension of hardstanding driveway to accommodate two cars instead of just one, leaving over 50% of property frontage as soft landscaping
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Welwyn Hatfield/6/2026/0674/HOUSE
4 Marlborough Close Welwyn AL6 0UG
Erection of single storey rear infill extension
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Welwyn Hatfield/6/2026/0692/HOUSE
60 Pooleys Lane Welham Green Hatfield AL9 7LF
Alterations and extension to roof with rear dormer and skylights to front roofslope
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Welwyn Hatfield/6/2026/0705/HOUSE
Ponsbourne Manor Topthorn House 5 The Ridings Newgate Street Village Hertford SG13 8QX
Erection of a detached outbuilding in the rear garden
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Welwyn Hatfield/6/2026/0741/EMT
24 Moorlands Welwyn Garden City AL7 4PP
Conifer - fell 6 trees on border of property due to excessive height, shading to garden, and stunting growth of other vegetation in the garden. To be replaced with alternative hedging that...
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Welwyn Hatfield/6/2026/0754/TC
43 Beehive Lane Welwyn Garden City AL7 4BJ
The Tree (T1) reduction is for the Cherry Tree, with 2-4m of reduction to be carried out to maintain tree health due to proximity to properties & additional light in garden. The removal req...
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Welwyn Hatfield/6/2026/0783/COND
25 Kingswell Ride Cuffley Potters Bar EN6 4LH
Submission of details pursuant to condition number 1 (crown roof) on planning permission 6/2025/0250/HOUSE
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Welwyn Hatfield/6/2026/0895/PN8
29 Roe Green Lane Hatfield AL10 0SH
Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.8m to the eaves
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Welwyn Hatfield/6/2026/0947/TPO
Claregate Thornton Road Little Heath Potters Bar EN6 1BY
T1 & T2 Ash to reduce lateral and vertical growth by 2.0-3.0 M approx (trees are beginning to damage the floor and are too close to the wall). T3 Pine to reduce back overhanging branches by...
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Welwyn Hatfield/6/2026/0949/LAWP
16 Rosedale Welwyn Garden City AL7 1DR
Certificate of lawfulness for part single-storey and part two-storey rear extension, replacement window to side elevation, and block up the existing kitchen ground-floor side window
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Welwyn Hatfield/6/2026/1019/COND
60 Brookmans Avenue Brookmans Park AL9 7QQ
Submission of details pursuant to condition number 1 (Arboricultural Impact Statement, Arboricultural Method Statement and Tree Protection Plan) and 4 (electric vehicle charger) on planning...
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Welwyn Hatfield/6/2026/1021/COND
Land to the north east of King George V Playing Fields Northaw Road East Hertfordshire EN6 4RD
Submission of details pursuant to Condition 9 (Drainage) on planning permission 6/2023/1352/VAR
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Welwyn Hatfield/6/2026/1025/TPO
Digswell Place South Lodge Rectory Road Welwyn Garden City AL8 7SU
Reduce 1 x apple tree by 1m in height and width.
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Welwyn Hatfield/6/2026/1026/HOUSE
1 Rose Mead Little Heath Potters Bar EN6 1JP
Single storey front and rear extensions and first floor side extension
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Welwyn Hatfield/6/2026/0571/LB
7-15 Park Street Hatfield AL9 5AT
Proposed secondary double glazing
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Welwyn Hatfield/6/2026/0605/EMT
293 Knightsfield Welwyn Garden City AL8 7NH
Tree 1 False Acacia to fell Tree 2 False Acacia reduced by 30%
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Welwyn Hatfield/6/2026/0640/HOUSE
13 Lodge Drive Hatfield AL9 5HL
Erection of a two-storey front and side extensions, part single and part two storey rear extension, alterations to fenestration and external materials
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Welwyn Hatfield/6/2026/0664/COND
Land Between 48 & 50 The Ridgeway Cuffley EN6 4BA
Submission of details pursuant to condition 5 (Landscaping Scheme), condition 9 (Renewable Energy) and condition 10 (Sustainable Urban Drainage) on planning permission 6/2022/1943/FULL