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Planning application

13 Simpasture Gate Newton Aycliffe DL5 5HH

Refused County Durham DM/26/00416/CPO Certificate of Lawfulness Proposed Opera

Works: Extension Demolition Small domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Demolition of existing conservatory with replacement single storey rear extension

As published by the council, reference DM/26/00416/CPO

Application record

Reference
DM/26/00416/CPO
Type
Certificate of Lawfulness Proposed Opera
Status
Decided
Decision
Refused
Received
20 Feb 2026
Validated
23 Feb 2026
Decided
20 Apr 2026
Ward
Aycliffe South
Parish
Great Aycliffe
Decision by
Certificate of Lawfulness Proposed
Postcode
DL5 5HH

Site history

Applications at this address on the County Durham register

This site has had 2 applications since 2026: 1 approved, 1 refused.

  • DM/26/00939/FPA Granted

    13 Simpasture Gate Newton Aycliffe DL5 5HH

    Demolition of conservatory with replacement single storey extension

    Decided 1 Jun 2026 Full applications

Timeline

Dates from the published record

  1. 20 Feb 2026

    Received by County Durham

  2. 23 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 20 Apr 2026

    Decision issued: Refused

  4. 20 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Studio by Design Agent, a design practice

8 applications on PlanIndex · across 6 councils

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Documents

Plans, drawings, consultee responses and the officer's report

9 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this refusal means

County Durham refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 13 Simpasture Gate Newton Aycliffe DL5 5HH

    DM/26/00939/FPA Submitted 13 Apr 2026 0m away

    Demolition of conservatory with replacement single storey extension

    Granted Full applications Extension Demolition 12 docs
    Small domestic

  • Land East Of Units 1 To 4 Northfield Way Aycliffe Business Park Newton Aycliffe DL5 6EJ

    DM/21/01296/FPA Submitted 13 Apr 2021 172m away

    Use of land for HGV and trailer park together with means of access, erection of fencing, gates, lighting, CCTV and associated works

    Granted Full applications 31 docs

  • Garage Block Finchale Road Newton Aycliffe

    DM/25/02431/DRC Submitted 2 Sep 2025 231m away

    99% historically approved · decision due ~29 Oct

    Discharge of condition 3 (Nutrient Nutrality Certificate), 4 (Construction Management Plan), 6 (HMMP), 8 (Phase 1 & 2 Ground investigation), 9 (Ground remediation), 10 (Drainage Plan), 12 (Sustainability Statement), and 15 (Cycle storage Plan) pursuant to Planning Permission DM/24/01014/FPA.

    Awaiting decision Conditions

  • Garage Block Finchale Road Newton Aycliffe

    DM/26/00508/DRC Submitted 2 Mar 2026 231m away

    Discharge of condition 7 (landscaping scheme) and condition 9 (land remediation) pursuant to planning permission DM/24/01014/FPA.

    Granted Conditions 2 docs

  • Garage Block Finchale Road Newton Aycliffe

    DM/26/01576/DRC Submitted 17 Jun 2026 231m away

    Discharge of conditions 16 (Water flow regulator) and 18 (HMMP Verification) pursuant to planning permission DM/24/01014/FPA.

    Split decision Conditions 1 doc

  • Safestyle UK Unit 12 Northfield Way Aycliffe Business Park Newton Aycliffe DL5 6EJ

    DM/26/00487/FPA Submitted 27 Feb 2026 257m away

    Change of use from warehouse (Use Class B8) to indoor padel centre for three singles courts (Use Class E(d)).

    Granted Full applications 11 docs

In County Durham

  • DM/26/01703/CPO Granted

    Aycliffe Village Primary School North Terrace Aycliffe Village Newton Aycliffe DL5 6LG

    Installation of timber playground equipment.

    2 Jul 2026 Lawful development
  • DM/26/01615/CPO Withdrawn

    Spital Park Farm Stainmore Road Bowes Barnard Castle DL12 9RH

    Application for a lawful development certificate for a proposed Met Office installation of a new weather station enclosure (10 metres by 9 metres by 1.2 metres) with meteorological equipment, including a 10 metre collapsible WEC WD10 mast with an anemometer and windvane on the top (with concrete plinth base of 1.8 metres by 2.2 metres).

    23 Jun 2026 Lawful development
  • DM/26/01399/CPO Granted

    28 Moor Edge Crossgate Moor Durham DH1 4HT

    Certificate of Proposed Development for a hip to gable conversion to form loft conversion with rear dormer

    2 Jun 2026 Lawful development
  • DM/26/01072/CEU Refused

    21 Young Street Gilesgate Durham DH1 2JU

    Certificate of lawfulness for use of the property as a House in Multiple Occupation (Use class C4).

    23 Apr 2026 Lawful development
  • DM/26/02031/CPO Awaiting decision

    82 Barley Mill Road Bridgehill Consett DH8 8JR

    Certificate of Lawfulness for the demolition of two rear offshot extensions and replacement with one larger lean to extension.

    4 Aug 2026 Lawful development