Thinking about getting a heat pump in Edinburgh, but not sure if you need planning permission? In many cases, you don’t, but some exceptions can cause problems if you are not aware of them. Rules around noise, property type, and conservation areas mean it’s worth checking the details before you go ahead.

What are Permitted Development Rights for Heat Pumps in Edinburgh?

Permitted Development rights let homeowners install certain technologies without applying for full planning permission, but they need to meet some specific conditions. In Scotland, air source heat pumps fall under these rights, but the rules are detailed. Here’s what currently applies:

Number of Units

At present, only one ASHP unit is permitted per property under PD rights. The Scottish Government has consulted on allowing two units for detached homes, but that change has not yet been fully adopted everywhere, so most households are limited to one.

Size Limits

For houses, the external unit must not exceed 1.5 cubic metres in volume to qualify as permitted development. For flats or buildings with multiple dwellings, the size limit is smaller, around 0.6 cubic metres.

Noise Levels

Noise remains one of the most important considerations. Installations must comply with recognised noise standards (MCS-020), which generally aim for no more than 42 decibels at the nearest neighbour’s window. This ensures the pump does not create a problem. However, the updated standards (MCS-020a) are much stricter.

Location

You don’t need to keep an air source heat pump a metre away from the boundary anymore. You can put it closer if it meets noise limits and doesn’t spoil the look of the area. It’s still best to place the unit where it won’t disturb neighbours or stand out at the front of your home, especially in sensitive locations.

Building Regulations

Even if planning permission is not needed, Building Regulations always apply. Installations must be safe, meet electrical and energy efficiency standards, and usually require a certified installer with MCS accreditation. Click https://www.renew-able.co.uk/services/heat-pump-installation-edinburgh-sct/ to hire the best heat pump installer in Edinburgh.

Ground Source Heat Pumps (GSHPs)

GSHPs are often less visible and face fewer planning restrictions, but they involve important groundworks. Large excavations, boreholes, or work that might affect drainage or heritage assets may require separate consents. Always check with the local authority before proceeding.

Exceptions & When You Do Need Permission For Heat Pump Installation?

Even in Edinburgh, there are several situations where planning permission or additional consent is required:

• If your property is listed, or in a conservation area or heritage site, then restrictions often apply. External appearance is more tightly controlled
• If you are installing more than one air-source heat pump or combining it with other similar equipment, such as multiple units, you may fall outside ‘permitted development.’
• If the pump sticks out more than 1 metre from the wall or roof, or is on a pitched roof, or is too close to a boundary, visible from public roads, etc. These may nullify PDR.
• Even under PDR, you usually have to ensure the heat pump doesn’t cause a statutory nuisance. Councils might require assessments.
• If the installation significantly alters the appearance of your property, especially from public vantage points, permission may be required.

Proposed Changes in 2025–2026

The Scottish Government is working on amendments to Permitted Development rights, which can simplify the process for heat pump installations. Proposed changes include:

• Detached homes are allowed to install up to two air source heat pumps.
• Air-to-air heat pumps (for heating and cooling) could be added to Permitted Development rights.
• Rules for flats, terraces, and semi-detached homes may be made clearer and easier to follow.

These changes may be finalized and implemented in 2026. Always check the latest regulations with the City of Edinburgh Council before proceeding.

Important Considerations for Heat Pump Installation in Edinburgh

Even if your heat pump meets the planning rules, you should also consider the following factors before installation so heat pumps last longer.

Property insulation

A heat pump works best in a well-insulated home. Poor insulation means the system has to work harder, which reduces efficiency and increases running costs. Upgrading the loft and wall insulation first will help you get the full benefit.

Energy bills and running costs

Heat pumps run on electricity, so your bills depend on your tariff. Pairing the system with smart controls or an off-peak tariff can keep costs down. Adding solar panels or battery storage can also improve savings.

Outdoor space and airflow

Air source units need good airflow. Don’t tuck them into a tight corner or block them with bins, fences, or plants. The clearer the space, the better the performance and the quieter they’ll run.

Noise awareness

Modern pumps are relatively quiet, but it’s still worth thinking about where the sound will travel. Placing the unit away from bedrooms or neighbouring windows helps avoid complaints later.

Installer choice

Always use an MCS-accredited installer. They will be familiar with the regulations, meet building standards, and assist with applications for grants or incentives. A poor installation can cost far more to fix than to get right the first time. Checkout the heat pump installation cost.

Steps to Take Before Installation

• Verify if your property is listed in a conservation area or has other restrictions.
• Contact the City of Edinburgh Council’s planning department for guidance.
• An MCS-certified installer can assess your property, recommend a suitable system, and advise on compliance.
• Explore available funding options to reduce upfront costs.

Final Words

Heat pumps are becoming an important part of Scotland’s shift toward low-carbon heating. The good news is that planning permission isn’t always a barrier, but the rules do vary depending on your property and location.

Take your time to understand those requirements and get advice from both the council and a qualified installer to save you hassle later.