Council planning record

Lawful Development Certificate for the proposed installation of siphon arrangement and associated works.

Hury Reservoir Baldersdale Cotherstone DL12 9UP

DecidedReference: DM/25/03286/CPODurham County Council

Last published check: 12 Oct 2026, 22:12. Check the council record for more recent changes.

Application timeline

Council milestones and published deadlines. A deadline passing does not confirm a decision.

  1. Application Received Date

    Published milestoneCouncil source
  2. Application Validated Date

    Published milestoneCouncil source
  3. Standard Consultation Date

    Published milestoneCouncil source
  4. Latest Consultation Expiry Date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source
  5. Determination Deadline

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source
  6. Agreed Expiry Date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source
  7. Decision Issued Date

    Published milestoneCouncil source
  8. Decision Made Date

    Published milestoneCouncil source
  9. Permission Expiry Date

    Published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

Application summary

Status
Decided
Application type
Certificate of Lawfulness Proposed Opera
Received
21 Nov 2025
Validated
22 Nov 2025
Determination deadline
17 Jan 2026
Local authority
Durham County Council

Application overview

Lawful Development Certificate for the proposed installation of siphon arrangement and associated works.

Proposal details

Reference
DM/25/03286/CPO
Alternative references
PP-14491232
Ward
Upper Teesdale
Parish
Cotherstone
Agent
Lichfields

Sign in to view all collected council fields and recorded changes.

Sign in to view collected details

Application location

Hury Reservoir Baldersdale Cotherstone DL12 9UP

This record has no verified map location.

View council map

Documents 22 of 22

DocumentPublishedAction
OFFICER REPORTDelegated Report23 Jan 2026View
APPROVAL CPODecision · PDF23 Jan 2026View
MODIFICATIONS TO SPILLWAY CHUTE DETAIL AT BRIDGE ABUTMENTSDrawing · PDF21 Nov 2025View
IOS1 FO EXISTING TOILET BLOCK BUILDING MODIFICATIONS FOR NEW VACUUM PUMPS, MCC PDrawing · PDF21 Nov 2025View
MODIFICATIONS TO SPILLWAY CHUTE TYPICAL SECTIONS (E)Drawing · PDF21 Nov 2025View
MODIFICATIONS TO SPILLWAY CHUTE LONGITUDINAL SECTION (F)Drawing · PDF21 Nov 2025View
MODIFICATIONS TO TUMBLE BAY TYPICAL SECTIONS (A AND B)Drawing · PDF21 Nov 2025View
MODIFICATIONS TO SPILLWAY CHUTE TYPICAL SECTIONS (C AND D)Drawing · PDF21 Nov 2025View
IOS 1 AND IOS 2 FO PROPOSED SITE PLANDrawing · PDF21 Nov 2025View
NEW DRAWDOWN SIPHON DAM CREST PLAN AND SECTIONSDrawing · PDF21 Nov 2025View
NEW DRAWDOWN SIPHONE DAM CREST DOWNSTREAM LEG AND OUTLET PLANDrawing · PDF21 Nov 2025View
IOS 1 FO NEW SITE LAYOUT KEY PLANDrawing · PDF21 Nov 2025View
IOS 1 FO NEW SITE LAYOUT SHEET 1Drawing · PDF21 Nov 2025View
NEW DRAWDOWN SIPHONS INLET AND UPSTREAM LEG PLANS AND SECTIONSDrawing · PDF21 Nov 2025View
NEW DRAWDOWN SIPHON DAM CREST DOWNSTREAM LEG AND OUTLET SECTIONSDrawing · PDF21 Nov 2025View
IOS 1 FO NEW SITE LAYOUT SHEET 2Drawing · PDF21 Nov 2025View
MODIFICATIONS TO TUMBLE BAY AND SPILLWAY CHUTE PLANDrawing · PDF21 Nov 2025View
MODIFICATIONS TO TUMBLE BAY AND SPILLWAY CHUTE DETAILSDrawing · PDF21 Nov 2025View
APPLICATION FORM REDACTEDApplication Form · PDF21 Nov 2025View
COVERING LETTERSupporting Information · PDF21 Nov 2025View
BRIEFING NOTESupporting Information · PDF21 Nov 2025View
IOS 1 AND IOS 2 FO - BOUNDARIES OF THE SITEDrawing · PDF21 Nov 2025View

Documents open on the council website. Browse council documents if a link has changed.

Decision & conditions

Approved
APPROVAL CPO
Planning conditions

Conditions aren’t listed here. Read the council decision notice for the full decision and conditions.

Related records

Understand this planning record

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning application statuses explained

    Understand pending consideration, approved, refused and withdrawn planning applications. Compare status labels and find the documents explaining each outcome.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.