Live Data Northern Ireland · Northern Ireland

Planning Applications in
Lisburn and Castlereagh

Lisburn and Castlereagh is part of the Northern Ireland region. Search any postcode in Lisburn and Castlereagh to see recent planning applications near you — including extensions, new builds, demolitions, and change of use applications.

update Last updated: 5 August 2026
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Search Lisburn and Castlereagh Planning Applications

Search any Lisburn and Castlereagh postcode above, then save it to a free PlanWatch account so it is ready next time. Paid plans add instant email alerts for new applications near a saved postcode.

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What Planning Applications Can You Find in Lisburn and Castlereagh?

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Residential Extensions

Rear extensions, side extensions, loft conversions, and garage conversions in Lisburn and Castlereagh.

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New Builds & Developments

New housing developments, apartment blocks, and commercial buildings proposed in Lisburn and Castlereagh.

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Change of Use

Applications to change building use — shops to flats, offices to restaurants, and more in Lisburn and Castlereagh.

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Listed Buildings & Conservation

Works to listed buildings and developments in Lisburn and Castlereagh's conservation areas.

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Demolition Notices

Prior approval applications for demolition of buildings in Lisburn and Castlereagh.

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Trees & Landscaping

Tree preservation orders, tree works applications, and landscaping schemes in Lisburn and Castlereagh.

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Official Planning Portal

View and search planning applications directly on the Lisburn and Castlereagh council website.

Visit Lisburn and Castlereagh planning portal →

Frequently Asked Questions — Lisburn and Castlereagh Planning

How do I check planning applications in Lisburn and Castlereagh? expand_more
Enter your postcode on PlanWatch to instantly see all recent planning applications in Lisburn and Castlereagh. We show applications within a 1-mile radius, including extensions, new builds, and change of use applications.
How do I object to a planning application in Lisburn and Castlereagh? expand_more
To object to a planning application in Lisburn and Castlereagh, you need to submit your comments during the public consultation period (usually 21 days). Visit the Lisburn and Castlereagh council planning portal or write to their planning department. Your objection must be based on material planning considerations such as impact on privacy, traffic, or character of the area.
How long does planning permission take in Lisburn and Castlereagh? expand_more
Most planning applications in Lisburn and Castlereagh are decided within 8 weeks for minor applications and 13 weeks for major developments. However, complex applications or those requiring committee decisions can take longer. You can track the status of any application on PlanWatch.
Can I get alerts for new planning applications in Lisburn and Castlereagh? expand_more
You can search and save a postcode for Lisburn and Castlereagh in PlanWatch. Paid PlanWatch plans add instant email alerts for new applications near a monitored postcode.
What planning applications don't need permission in Lisburn and Castlereagh? expand_more
Some developments in Lisburn and Castlereagh fall under "permitted development rights" and don't need planning permission. This includes certain small extensions, loft conversions, outbuildings, and changes of use. However, if you're in a conservation area, listed building, or AONB, additional restrictions may apply. Always check with Lisburn and Castlereagh council before starting work.
Can planning applications affect my property value in Lisburn and Castlereagh? expand_more
Planning applications near your home in Lisburn and Castlereagh may affect how you use or assess a property. PlanWatch helps you find the application and link to the official council record; check the drawings, consultation dates and planning decision before making any property decision.
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Read the planning guides →

Nearby Councils in Northern Ireland

Explore planning applications in other Northern Ireland councils.

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View all 418 councils →

Planning Guides for Lisburn and Castlereagh Residents

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How to Object to a Planning Application
Your rights as a neighbour
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Permitted Development Rights Explained
What you can build without permission
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Planning Permission Process
Complete guide from application to decision
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Conservation Areas & Planning
Extra restrictions and protections
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Party Wall Act Explained
Building near a shared boundary
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Planning Enforcement
When rules are broken
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How to Appeal a Planning Decision
Your options after a refusal
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Planning Permission Costs
2025 fee schedule and what to expect
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How Long Does Permission Take?
Timescales from application to decision
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Material Planning Considerations
What councils must and can't consider
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Can Permission Be Refused?
Common reasons and what to do next
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Retrospective Planning Permission
Applying after building without consent
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How to View Planning Applications Near You
Search by postcode & read the decision
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Planning Alerts
Paid instant monitoring for saved postcodes

Do I Need Planning Permission For...?

🏠 Conservatory 🏘️ Extension 🏡 Loft Conversion 💼 Garden Office 🚗 Garage 🏚️ Shed 🪵 Fence 🚪 Porch 🅿️ Driveway 🛣️ Dropped Kerb 🪵 Decking ☀️ Solar Panels ♨️ Heat Pump 🔌 EV Charger 🏗️ Carport 🧱 Cladding

Specialist Topics

🔄 Change of Use 🏛️ Listed Buildings 🏢 Flats & HMOs 🌳 Trees & TPOs 🏕️ Mobile Homes & Caravans 📋 Section 106 Agreements

Common Planning Situations

🏗️ Building Too Close to Boundary ☀️ Extension Blocking My Light 🛑 Can I Stop a Planning Application? 🏘️ New Housing Development Near Me 🏢 Commercial in Residential Area ⚠️ Built Without Permission 📡 Phone Mast Near Me 🏡 Garden Room & Outbuilding 🔄 Pub/Shop Converting to Flats ✋ How to Stop a Planning Application 🔨 Neighbour Building Extension

Data Sources