Planning applications in HP3
We hold 1,147 planning applications for the HP3 postcode area, 221 of them submitted in the past year. 91% of decided applications here were approved. A decision typically takes 52 days. The area is covered by Dacorum, Three Rivers, St Albans.
Towns and villages in HP3
Councils covering HP3
Recent applications in HP3
Variation of condition 14 (approved plans) attached to planning permission 25/02131/FUL
See doc 2 work schedule
Retention of the single storey rear infill extension, external alterations/modifications and detached garage following removal of roof additions to the rear/side element of the existing dwelling and removal of elements of hard landscaping.
Works to trees
Variation of condition 1 (approved plans) and remove condition 4 (hard and soft landscape) attached to planning permission 26/01334/ROC Condition Number(s): Condition 1 Condition 4 Conditions(s) Removal: The application seeks to add an open-sided car port to each property. > Condition 1: (i) replace the site plan ?31378A-02-01 REV H? with ?31378A-02-01 (K)? and (ii) add ?31378_02_05 (-) Car Port? to the approved drawings list. > Condition 4: Remove. This was discharged under application 25/03129/DRC, granted on 17th February 2026.
Construction of single storey side extension; alterations to front entry porch; conversion of garage into habitable accommodation; installation of air conditioning unit; internal alterations; alterations to the fenestration; alterations to hardstanding
Retrospective Application: Demolition of existing outbuilding and construction of replacement outbuilding
Retrospective Application: Demolition of existing outbuilding and construction of replacement outbuilding
Part two storey part single storey rear and side extension including hip to gable loft conversion with rear dormer to facilitate a Change of use from Class C3 to Sui Generis (7-Person HMO), with external alterations.
Fell tree
Proposed internal alterations to the existing main dwelling and changes to existing fenestrations to the rear and side of the existing main dwelling
The retention of an existing storage container.
The retention of an existing storage container.
Single storey side extension. New dormer window to rear roof face.
Certificate of Lawfulness Proposed Development: Conversion of garage into habitable accommodation
Certificate of Lawfulness Proposed Development: Conversion of garage into habitable accommodation
Part retrospective: Construction of a part single, part two storey side extension; loft conversion including with a rear dormer and front roof light; internal alterations; alterations to the fenestration; alterations to external materials; conversion of garage to habitable accomodation.
Proposed side infill extension and garage conversion
Single-storey side extension, replacement conservatory, new windows and doors, rooflight, and patio alterations.
Works to tree
Details as required by Condition 2 (Materials), 3 (Hard and soft landscaping) ,4 (Contamination 1),7 (Tree Protection) attached to planning permission to 25/02739/FUL
Prior Approval: Change of use of existing agricultural barn to one self contained residential dwelling with associated parking
Part single, part two storey side and rear extension, changes to external cladding, alterations to garage and dormer roofs.
Single storey rear extension and front Porch
Single Storey Rear Extension
Works to a tree
Change of use from C3 Dwelling house to C4 small HMO
Alterations to the existing access way to Felstead, providing a safer entrance and exit to and from the property
Part two storey part single storey rear extension, single storey side extension
Erection of external lighting in association with an existing outdoor tennis court.
Single-storey timber garden room for ancillary use to the main dwelling with associated WC and storage area, located a minimum of 2m from adjacent boundaries.
Construction of additional floor above existing dwelling. Proposed height: 8.49m
Single storey rear extension measuring 6.00m deep with a maxim ridge height of 3.00m and maximum eaves height of 2.75m
Single storey rear extension, double storey rear and side extension, new first floor obscure glass side window and replacement of existing wall in front garden including cutting back hedgerow to boundary line.
Single storey rear and single storey side extension.
Full planning permission for the change of use from class C3 to C2 childrens care home and changes to fenestration at Oakview Lodge, 349 Chambersbury Lane, Hemel Hempstead, Hertfordshire, HP3 8LW
Details required by Condition 4 (Landscaping and Levels) attached to planning permission 24/02759/FHA
Single-storey side extension
Loft Conversion
Details as required by Condition 7 (Biodiversity Gain Plan) attached to planning permission 25/02131/FUL
Detached 3 car garage.
Flats 1-11 (inclusive) at Opal Court, Goldcroft, HP3 8DD - Copy of Demand Notice dated 29/03/2018 Confirmation that all conditions within planning permission ref: 4/02269/17/MFA have been discharged from Dacorum Borough Council
Single storey rear extension.
Single storey rear extension.
Conversion of roof space into habitable room with proposed rear flat roof dormer.
Addition of a first floor rear extension and two storey front/side infill extension. Addition of a first floor side window to serve the new bathroom suite.
Construction of a private outdoor swimming pool.
Single storey front extension.
Variation of Condition 13 (Approved Plans) attached to planning permission 25/00548/FUL
Variation of Condition 1 (Amended plans) attached to planning permission 25/02109/ROC