Planning applications in AL6
We hold 915 planning applications for the AL6 postcode area, 210 of them submitted in the past year. 84% of decided applications here were approved. A decision typically takes 56 days. The area is covered by Welwyn Hatfield, North Hertfordshire, East Hertfordshire.
Towns and villages in AL6
Councils covering AL6
Recent applications in AL6
Part demolition and alterations to existing barn and stables, including alterations to fenestration, replacement roofs, and insertion of front roof lights to facilitate conversion to form a single dwelling with associated residential garden and parking area.
Non-material amendment to 3/26/0321/HH, removal of roof parapets
Submission of details pursuant of conditions 5 (noise), 6 (EV charging points), 7 (cycle storage), 10 (travel plan statement on planning permission 6/2026/0025/VAR
Proposed loft conversion, enlargement of the existing roof with increase in ridge height to form a truncated hipped roof, installation of two front dormers, a rear dormer with a rear balcony, and associated rooflights
Submission of details pursuant to Condition 1 (Construction Traffic Management Plan) on planning permission 6/2023/2483/FULL
Erection of a single storey side extension and a new garage on ground floor level, conversion of the existing garage and installation of an air source heat pump
Erection of 109 residential dwellings with access, parking, hard and soft landscaping and public open space following demolition of all existing buildings and structures
Widen first floor (obscured) window on the SW elevation (as Non-Material Amendment to planning permission 26/00036/FPH granted 27/02/2026)
T1 1 x Beech to remove in sections to ground level - Tree is almost dead and in poor condition T2 1 x Beech to reduce to clear property by 1.5m - Branches rubbing on property
Demolition of bungalow and construction of two dwellings with air source heat pump, EV charging point, cycle and bin store
Erection of four 4-bedroom detached dwellings with associated landscaping and parking, following the demolition of the existing stable building
4 x English Oak (Quercus robur), identified as T1, T2, T3 and T4 on the accompanying sketch plan, protected under TPO 641 (2017). Proposed works: Crown reduction of up to 20%; crown thinning of up to 20%; crown lift to approximately 3–4m; removal of epicormic trunkal growth; selective pruning to provide approximately 2m clearance from the dwelling and approximately 1m clearance from overhead lines. Reason for works: Continued periodic arboricultural management of this established group of Oaks, maintaining appropriate clearance from the dwelling and overhead services whilst retaining a balanced, natural canopy and the amenity value of the trees.
Erection of one two-storey five bedroom detached dwelling and eight two bedroom flats laid out within two two storey blocks of four and associated infrastructure and landscape works following the demolition of the existing dwelling and separate detached building
TPO 203 & 879 - T1- Sweet chestnut tree to reduce all round by 2-3 metres for maintenance and light T2- Blue Atlantic Cedar tree- to cut back by 2-3 metres from the neighbours house and balance the crown for maintenance and light T3-Blue Atlantic Cedar tree to reduce all round by 2 metres for maintenance and light
Erection of two 2-bed chalet bungalows (Use Class C3) following the subdivision of existing residential plot
TPO 639 (2017) - Trim two Hornbeam Trees by 25 to 30%
T1 & T2 Hornbeam reduce back to previous pruning points 25% or approximately 2.5m (TPO 639 2017)
Erection of a single storey ground floor extension & part two storey rear, raising the roof and alterations to facilitate loft conversion to include new crown roof with front & rear dormers
Two-storey side/rear extension and insertion of first floor side window following demolition of existing shed and oil tank.
Up to a 2m reduction to Cherry tree, to maintain its healthy station and prevent over extension, from growing too large. Fell, process and remove Yew tree as resident has concerns that if it was to uproot or fail it would hit the house due to its location (covered by TPO 24 A3)
Variation of Conditions 2 (approved plans), 4 (Landscape and Ecological Management Plan), 5 (Sustainability of Construction) and 10 (Landscape design proposals) pursuant to planning permission (ref: 3/22/0312/FUL) for (Demolition and replacement of dwelling with associated parking and landscaping): Alterations from approved plans - alterations to Ecology Plan relating to bee bricks, inclusion of a chimney, alterations to landscaping (retrospective).
Non-material amendment to 3/25/1431/HH, changes to fenestration
Removal of dead hornbeam tree. (covered by TPO 673 (2017))
Remove 1 x Oak. (covered by TPO 753 (2018))
Demolition of existing house and erection of detached two-storey dwelling with solar panels, air-source heat pump, new driveway, cycle store and bin store
Erection of single storey front, side and rear extension, raising the existing roof and formation of rear dormer. Alterations to the fenestration, including, installation of new windows and doors and external rendering and cladding, following the demolition of garage and porch
TPO 24 T2 - 1 x Oak to remove in sections to ground level. Tree is suppressed by neighbouring tree leaving a high canopy, blocking lights to neighbouring gardens as part of a larger group **a reduction doesnt seem suitable due to the existing canopy shape. Reducing the tree significantly will create a denser thicker poorly attached growth. Client happy to replant T3 - 1 x Beech tree to reduce overhanging lateral branches by approximately 2m. Reduce lateral overhang to no 16 as tree is too close to boundary and excessive overhang is leaving bird poo on kids play equipment
Two storey rear extension following removal of existing single storey rear elements
T1 - Sweet Chestnut tree - Fell one dead sweet Chestnut tree to ground level
T1 - 1 x Oak to reduce by approximately 2m height and width, ensuring to cut back clearing the house sufficiently. Oak reducing due to canopy in close proximity to property and roof. (Covered by TPO 24 A3)
Use of an existing flat roof as a first-floor teaching terrace and installation of an external fire escape staircase
Reduce 1 x Horse chestnut by 2m Cut back 1 x Sycamore to 1m beyond boundary line.
Remove 1 x Weeping willow
Demolition of single storey rear extension with roof terrace, erection of single storey rear extension with roof terrace and glass balustrades, new ground and first floor front windows with glass balustrade added to existing flat roof
Certificate of Lawfulness for the erection of a first floor external balcony to the rear of the house
Erection of single detached 3 bedroom dwelling to the North East of the original dwelling
Change of use of land to residential static caravans/park homes to include footpath extension, parking, improved access points and associated landscaping (including changing the levels of part of the quarry area) and infrastructure.
T1 Oak Prune western aspect by 2 metres. (Covered by TPO24 A3 and TPO 642 (2017) G1)
T1-T10 Hornbeam - repollard back to previous pollard points roughly 3m cut back to main trunk. T11-T15 Hornbeam - 1.5m boundary cut back of all branches overhanging rear boundary.
Raising the existing roof line incorporating new rooflights, new dormer, external alterations to existing windows and doors and the creation of a new parking space, erection of canopy following demolition of existing porch
Erection of two storey front extension with dormers, alteration to openings
Erection of detached ancillary garden annex with decking and associated access steps
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 the balancing weight now on the other stem. Please see attached photos.
Single storey rear extension, alterations to fenestrations including insertion of rear first floor Juliet balcony and external cladding
T1 Oak: 30% reduction to suitable lateral growth points. T2 & T3 Sweet chestnuts: 30% reduction to suitable lateral growth points. (Covered by TPO655)
Installation of a front portico
Sweet Chestnut tree: under TPO 534, marked as T2 Remove Tree as it's technically dead (assessed by Ashley Grey of Ashley Trees)
Two storey rear extension following demolition of existing rear elements.
Erection of up to 2 dwellings and associated infrastructure
Proposed removal of redundant boiler chimney at rear of property