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Planning application

25/01466/LBC

Mill Dam House Burnaby Road Portsmouth PO1 3AF

Granted Portsmouth Listed Building Consent

Proposal

External and internal alterations including replacement air handling unit to roof, strengthening and repair works to roof timbers, replacement roof covering and access hatches and replacement rooflight to match existing.

As published by the council, reference 25/01466/LBC

Timeline

Dates from the published record

  1. 15 Dec 2025

    Received by Portsmouth

  2. 18 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 5 Feb 2026

    Decision issued: Conditional Consent

  4. 25 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About heritage and listed buildings applications

How this application type works

Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.

More on heritage and listed buildings applications in our guide

Nearby applications

Within 500 metres

  • 25/01465/FUL Decided

    Mill Dam House Burnaby Road Portsmouth PO1 3AF

    External alterations including replacement air handling unit to roof, strengthening and repair works to roof timbers, replacement roof covering and access hatches and replacement rooflight to match existing.

    15 Dec 2025 1m away Full applications
  • 26/00130/FUL Awaiting decision

    1 Beck Street Portsmouth PO1 3AN

    Replacement double glazed timber windows

    4 Feb 2026 254m away Full applications
  • 26/00160/LBC Awaiting decision

    42 Kent Street Portsmouth PO1 3BS

    Internal alterations to convert building to Offices/Creative Studios including new staircase; external alterations including demolition of existing single storey front extension and two storey rear extension and associated works

    10 Feb 2026 263m away Heritage and listed buildings
  • 26/00159/FUL Awaiting decision

    42 Kent Street Portsmouth PO1 3BS

    Change of use from community hall (Class F2) to offices/creative studios (Class E) with associated works including demolition of the existing single storey front extension and two storey rear extension

    10 Feb 2026 263m away Full applications
  • 25/01112/FUL Awaiting decision

    5 St James's Street Portsmouth PO1 3AP

    Change of use from house in multiple occupation (Class C4), to purposes falling within dwellinghouse (Class C3), or house in multiple occupation (Class C4)

    23 Sep 2025 280m away Full applications
  • 25/01458/DOC Awaiting decision

    Nuffield Centre St Michaels Road Portsmouth PO1 2ED

    Application to seek approval of details reserved by condition 8 (Contaminated Land) of planning permission 25/00841/FUL

    12 Dec 2025 286m away Conditions

In Portsmouth

  • 26/00228/LBC Granted

    West Chapel Kingston Cemetery St Marys Road Portsmouth

    Repairs to disused chapel, including roof slating, artificial lead flashing detailing, flat roofing, reconstruction of unstable flint and brick walls, replacement of defective timbers to roof and floor construction, replacement rainwater goods, repointing, stone repair and replacement, decorations, render, repairs and protection to parquet floor, replacement glass and lead light repairs, replacement window mesh, replacement defective ironmongery, replacement internal door, repairs to existing doors, and sundry other repairs.

    26 Feb 2026 Heritage and listed buildings
  • 26/00476/LBC Awaiting decision

    116 - 118 Commercial Road Portsmouth PO1 1EP

    Replacement of principal entrance door

    14 Apr 2026 Heritage and listed buildings
  • 26/00461/LBC Awaiting decision

    36 Kent Road Southsea PO5 3ES

    The proposal is to remove a dated PVC 1960s extension (circa. 8m2) to the rear of a Grade II listed Victorian building and replace with a timber verandah and door set, creating balcony space and improving the aesthetic from the rear of the property.

    13 Apr 2026 Heritage and listed buildings
  • 25/01272/LBC Refused

    Great Salterns Mansion Eastern Road Portsmouth PO3 6QB

    External alterations including construction of panel sign

    3 Nov 2025 Heritage and listed buildings
  • 25/01306/LBC Granted

    Admiralty House Hm Dockyard Queen Street Portsmouth PO1 3PZ

    Repairs to stone balustrade

    6 Nov 2025 Heritage and listed buildings