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/6/2026/0016/COND
The North Star Nursery 82 Great North Road Oaklands AL6 0TA
Submission of details pursuant to condition 1 (Biodiversity Gain Plan), condition 2 (Habitat Management Monitoring Plan), condition 3 (Landscaping) and condition 4 (Material samples of prop...
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Welwyn Hatfield/6/2026/0184/FULL
11 Guessens Road Welwyn Garden City AL8 6QW
Erection of first floor rear extension
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Welwyn Hatfield/6/2026/0391/FULL
Unit J City Park Welwyn Garden City AL7 1LT
Change of use of existing industrial unit (Use Class B2) to Use Classes E(g)(iii) (Industrial Processes), B2 (General Industrial) and B8 (Storage and Distribution) together with refurbishme...
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Welwyn Hatfield/6/2026/0446/TPO
7 Wendover Drive Welwyn AL6 9LT
T2 - 1 x Scots pine to reduce upper easterly limbs by 1.5m, low easterly limb by 2.5m. upper southerly limb by 1.5m. Reduce selected limbs, lower limb its over extended & close to property....
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Welwyn Hatfield/6/2026/0447/TPO
7A Wendover Drive Welwyn AL6 9LT
T1 x Scots pine to reduce upper northerly limb by 1.2m, lower easterly limb by 2.5m and 2 x westerly limbs by 1.5m. Reducing selected over extended limbs to provide some balance to the tree...
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Welwyn Hatfield/6/2026/0489/COND
Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB
Submission of details pursuant to Condition 10 (Materials) and Condition 12 (Elevation of the access (balcony) door) on planning permission 6/2024/1512/MAJ
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Welwyn Hatfield/6/2026/0521/EMT
3 Rosedale Welwyn Garden City AL7 1DW
1 x Hawthorn to reduce by 2 meters in height and 1.5 metres in width Outgrown canopy impending on other trees. Reduce to allow light to other tree and plants
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Welwyn Hatfield/6/2026/0559/HOUSE
78 Travellers Lane Hatfield AL10 8SF
Erection of single storey front extension, raising of garage roof and raising of boundary walls with addition of trellis.
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Welwyn Hatfield/6/2026/0589/TC
The Limes 51 High Road Essendon Hatfield AL9 6HS
Oak T1 – Reduce the Oak tree by approximately 30% (3–4 metres), focusing primarily on the right-hand side to clear the overhang above the garage, and balance the crown. This work forms part...
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Welwyn Hatfield/6/2026/0612/EM
1 Dellcott Close Welwyn Garden City AL87BB
Installation of 18 solar panels - eight on the front roof slope, five on the rear pitched roof and five panels on a low-profile MCS-approved flat roof mounting system to the rear
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Welwyn Hatfield/6/2026/0656/FULL
De Havilland Campus Hertfordshire Sports Village Mosquito Way Hatfield AL10 9EU
Conversion of existing tennis courts to 4 uncovered padel courts with erection of ancillary container
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Welwyn Hatfield/6/2026/0850/TPO
4 Mornington Digswell Welwyn AL6 0AJ
TG1 Tree Group overhanging road and footpath - Lift crowns overhanging road and foot path to 5 metres in height to allow clearance from road users and pedestrians T2 Cherry - Dead - Fell t...
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Welwyn Hatfield/6/2025/2318/LAWP
Netherfield Vineyards Road Northaw Potters Bar EN6 4PH
Certificate of lawfulness for the partial demolition and reconstruction of dwelling due to subsidence with minor re-configuration of window openings
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Welwyn Hatfield/6/2026/0227/EM
21 Windhill Welwyn Garden City AL7 1RH
Installation of solar panels
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Welwyn Hatfield/6/2026/0337/HOUSE
4 Old Dairy Yard Welwyn Garden City AL7 4BY
Erection of first floor rear extension, loft conversion with dormers to front and rear and insertion of roof lights
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Welwyn Hatfield/6/2026/0392/HOUSE
6 Brockett Close Welwyn Garden City AL8 7BN
Erection of single-storey outbuilding
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Welwyn Hatfield/6/2026/0406/LAWE
15 Wood Vale Hatfield AL10 8TT
Certificate of lawfulness for the existing use of the property as an HMO (6 Occupants - use class C4)
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Welwyn Hatfield/6/2026/0421/HOUSE
78 Hazel Grove Hatfield AL10 9DZ
Erection of a first floor side extension
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Welwyn Hatfield/6/2026/0434/TPO
Hornbeams 2A Firway Welwyn AL6 0RD
T1 - 45ft Sweet Chestnut tree – to reduce the crown by 30% - crown reduction is proposed to reduce height and wind loading, maintain appropriate clearance from the building, and improve lig...
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Welwyn Hatfield/6/2026/0474/LAWE
17 Wood Vale Hatfield AL10 8TT
Certificate of lawfulness for the existing use of the property as a HMO (C4)
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Welwyn Hatfield/6/2026/0482/EM
10 Graysfield Welwyn Garden City AL7 4BL
Single story rear extension with 8 solar panels
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Welwyn Hatfield/6/2026/0494/TPO
51 New Road Digswell Welwyn AL6 0AQ
T1 - Pine to reduce in height by 6-7m from branch tips, reduce north facing laterals (towards house) by up to 2m from branch tips and up to 1m on remaining laterals. T2- Scots Pine to crown...
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Welwyn Hatfield/6/2026/0505/HOUSE
139 Oakdale Welwyn Garden City AL8 7QS
Erection of single storey rear extension
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Welwyn Hatfield/6/2026/0507/EM
139 Oakdale Welwyn Garden City AL8 7QS
Erection of single storey rear extension
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Welwyn Hatfield/6/2026/0599/EMT
7 Guessens Road Welwyn Garden City AL8 6QW
G1 Reduce conifer hedge back to previous growth points. T1 Fell conifer to ground level & re plant ornamental tree.
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Welwyn Hatfield/6/2026/0617/TPO
Hertfordshire Constabulary Central Area Headquarters And Hatfield Police Station Comet Way Hatfield AL10 9SJ
T9 Weeping willow to remove limb with large hollow at approximately 2m SE side. T10 Weeping willow to remove large central limb growing towards police station. Covered by TPO 701 (2017)
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Welwyn Hatfield/6/2026/0624/TC
6 Honeycroft Welwyn Garden City AL8 6HR
Cherry tree to fell
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Welwyn Hatfield/6/2026/0676/EMT
20 Elmwood Welwyn Garden City AL8 6LE
Silver birch to crown reduce by 20% (roughly 2 meters).
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Welwyn Hatfield/6/2026/0801/TPO
48 Birchall Wood Welwyn Garden City AL7 2HL
Norwegian Maple Trees - Scope of works is to cut back all overhanging branches and if agreeable reduce in height TPO 627 (2017)
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Welwyn Hatfield/6/2026/0813/TPO
Park Meadow Hatfield AL9 5HE
T34 Pinus sylvestris, fell and grind out T35 Acer negundo remove dead branches T59 Fraxinus excelsior, remove dead branches T66 & T67 Fraxinus excelsior, cut back by about 1.5-2m from branc...
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Welwyn Hatfield/6/2026/0833/EMT
41 Beehive Lane Welwyn Garden City AL7 4BJ
Fell Ash Tree in the garden due to; 1. The tree is now Damaging the shed due to growth 2. It is within 10m of neighbours (Graysfield Road) property and the roots may start causing structura...
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Welwyn Hatfield/6/2026/0834/COND
Osborne House Farm Hawkshead Road Little Heath Potters Bar EN6 1LX
Submission of details pursuant to Condition 2 (Transport Management Plan) on planning permission 6/2021/3304/MAJ
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Welwyn Hatfield/6/2026/0841/COND
1 Mannicotts Welwyn Garden City AL8 7BW
Submission of details pursuant to condition 1 (Material Schedule), condition 2 (Doors and Windows Details) and condition 3 (Hard and soft landscaping), condition 4 (replacement tree) on pla...
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Welwyn Hatfield/6/2026/0846/COND
10 Starling Lane Cuffley Potters Bar EN6 4JX
Submission of details pursuant to Condition 1 (Soft Landscaping) on planning permission 6/2025/2453/HOUSE
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Welwyn Hatfield/6/2026/0810/EM
78 Valley Road Welwyn Garden City AL8 7DP
Erection of a part single-storey rear extension, part first-floor rear extension, and associated alterations to the existing dwelling in order to improve the internal arrangement and increa...
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Welwyn Hatfield/6/2026/0824/EMT
35 Elmwood Welwyn Garden City AL8 6LD
Yew tree (T4) rear garden; south boundary; rooted in neighbour's property (no 37) overhanging boundary. Reduce north side (overhanging garden) to reduce lateral spread by approx 1.5m
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Welwyn Hatfield/6/2026/0825/TPO
Brambles Briary Wood End Welwyn AL6 0TD
TPO 800 T1 - Chestnut tree - crown reduce by approx 4-5m - tree is multi stem and we have recently removed the whole crown on one stem due to being completely dead. Client is worried about...
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Welwyn Hatfield/6/2026/0831/HOUSE
16 Spring Glen Hatfield AL10 8HD
Erection of part single, part two storey rear extension and front extension and rendering to the external elevations and alterations to the side extension
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Welwyn Hatfield/6/2026/0838/EMT
16 Pitsfield Welwyn Garden City AL8 7SJ
1 x Cherry to remove to ground level. Removing due to ongoing decline and low vigour. The tree has minimal foliage which has declined over recent years
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Welwyn Hatfield/6/2026/0264/HOUSE
Windmill House Tylers Causeway Newgate Street Hertford SG13 8QN
Erection of single storey side extension
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Welwyn Hatfield/6/2026/0351/HOUSE
16 Marlborough Close Welwyn AL6 0UG
Erection of single storey porch extension, garage conversion, first floor front extension with replacement dormer roof, enlarged first floor rear dormers, reroofing whole roof with a slate...
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Welwyn Hatfield/6/2026/0471/TPO
6 Juniper Gardens Welwyn AL6 0XH
Repollard 1x lime tree back to previous pollard points. TPO 711 (2017) T9
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Welwyn Hatfield/6/2026/0486/HOUSE
159 Handside Lane Welwyn Garden City AL8 6TA
Erection of part single and part two storey rear extension, following demolition of conservatory with alterations to side and rear openings
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Welwyn Hatfield/6/2026/0596/ADV
9 Harpsfield Broadway Hatfield AL10 9TF
Advertisement consent for the retention of one internally illuminated fascia sign and one internally illuminated projecting box sign
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Welwyn Hatfield/6/2026/0622/COND
26 Station Road Welham Green Hatfield AL9 7PG
Submission of details pursuant to Condition 7 (CEMP) and 8 (Badger Survey) on planning permission 6/2024/2418/MAJ
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Welwyn Hatfield/6/2026/0708/VAR
North Mymms Park Tollgate Road North Mymms AL9 7TR
Variation or removal of Condition 2 (noise limiting system) and removal of Condition 3 (overarching Travel Plan) of planning permission 6/2022/2793/VAR
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Welwyn Hatfield/6/2026/0746/EMT
10 Marsden Close Welwyn Garden City AL8 6YE
T1, Conifer: Fell to monolith at approximately 1m to reduce excessive shading and oversized canopy, retaining standing deadwood for biodiversity in line with BS3998:2010. T2, Cherry: Remove...
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Welwyn Hatfield/6/2026/0812/EMT
18 Stanborough Road Welwyn Garden City AL8 6XD
T1 & T2: Cherry (Prunus sp.), dead. Fell and replant
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Welwyn Hatfield/6/2026/0356/EM
6 Densley Close Welwyn Garden City AL8 7JX
Erection of part two storey, part single storey side extension and formation of new parking space & crossover, following demolition of existing single storey side extension and part of atta...
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Welwyn Hatfield/6/2026/0426/FULL
8 Hill Ley Hatfield AL10 8LX
Change of use from general amenity land to private driveway to accommodate parking for one vehicle with crossover
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Welwyn Hatfield/6/2026/0432/EM
187 Blythway Welwyn Garden City AL7 1DS
Erection of outbuilding for home office/ gym following demolition of existing shed/outbuilding
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Welwyn Hatfield/6/2026/0452/EM
15 Brooms Close Welwyn Garden City AL8 7JA
Replacement shed 8ftx16ft
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Welwyn Hatfield/6/2026/0488/EM
55 Rosedale Welwyn Garden City AL7 1DP
Removal of chimney stack and making good void to match existing tiles and appearance; installation of CCTV camera at front of house and installation of solar panels, home battery storage, a...
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Welwyn Hatfield/6/2026/0491/HOUSE
10 Graysfield Welwyn Garden City AL7 4BL
Erection of a single storey rear extension with 8 solar panels
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Welwyn Hatfield/6/2026/0492/HOUSE
60 Hill Rise Cuffley Potters Bar EN6 4RG
Erection of single storey rear infill extension, garage conversion and alterations to fenestration
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Welwyn Hatfield/6/2026/0496/EM
165 Handside Lane Welwyn Garden City AL8 6TA
Proposed installation of an air source heat pump, solar panels, battery storage and an EV charging point
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Welwyn Hatfield/6/2026/0511/EM
1 Great Break Welwyn Garden City AL7 3EZ
Installation of solar panels
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Welwyn Hatfield/6/2026/0518/COND
26 Station Road Welham Green Hatfield AL9 7PG
Submission of details pursuant to Condition 2 (Archaeological Works) on planning permission 6/2024/2418/MAJ
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Welwyn Hatfield/6/2026/0603/COND
26 Station Road Welham Green Hatfield AL9 7PG
Submission of details pursuant to condition number 4 (Site Waste Management Plan) on planning permission 6/2024/2418/MAJ
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Welwyn Hatfield/6/2026/0811/HOUSE
114 Tolmers Road Cuffley Potters Bar EN6 4JR
Erection of a single storey rear extension, first floor front extension and a double storey front extension with portico porch and raising the roof to accommodate a roof conversion consisti...