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We are an established consultancy practice specialising in providing sustainable building solutions throughout the UK.

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Dark Sky

  /  Dark Sky

Dark Sky Assessments

Clear, planning-focused advice to protect night environments and support compliant development

Independent Dark Sky assessments to support planning applications, development design, and environmental stewardship.

MES Building Solutions provides independent Dark Sky and external lighting assessments for developments across the UK. Our advice supports planning approval, protects sensitive night-time environments, and helps project teams manage artificial lighting impacts at all stages of design.

We assess existing and proposed lighting conditions to understand potential effects on night skies, ecology, visual amenity, and surrounding receptors. Our assessments are proportionate, technically robust, and aligned with planning policy expectations, supporting informed decision-making and efficient scheme progression.

With specialist experience across rural, edge-of-settlement, and environmentally sensitive sites, we help developers and design teams identify constraints early. Our clear, well-structured reports are suitable for planning submissions and professional review.

External building lighting designed to minimise glare and night-time light pollution

Dark Sky Expertise

Specialist assessments informed by recognised lighting and environmental best practice

Development-Led Advice

Practical guidance that balances environmental protection with functional lighting needs

Robust Technical Analysis

Clear, evidence-based assessment of night-time lighting impacts

Planning-Ready Reporting

Reports suitable for planning applications, discharge of conditions, and professional review

When a Dark Sky Assessment is Needed

Dark Sky considerations are increasingly important within the planning process, particularly where development has the potential to introduce or intensify artificial lighting in sensitive locations.

Early assessment helps reduce planning risk, avoid costly redesign, and demonstrate a responsible approach to environmental impact.

Developing in rural or low-light environments

Proximity to protected landscapes or designated dark areas

Introducing new or enhanced external lighting schemes

Developing close to residential, ecological, or heritage receptors

Our Dark Sky Assessment Process

01

Initial Review

Early appraisal of site context, planning requirements, and lighting sensitivity

02

Technical Analysis

Assessment of existing conditions and proposed lighting arrangements

03

Reporting & Advice

Clear findings with proportionate mitigation and design recommendations

04

Ongoing Project Support

Continued advice as lighting designs develop or planning progresses

Dark Sky map of South Downs where obtrusive light is reduced in the surrounding area.
Dark Sky Map, South Downs National Park

What Our Assessments Cover

Our Dark Sky and external lighting assessments include:

Review of site context and sensitivity

Assessment of existing lighting conditions

Appraisal of proposed lighting design

Identification of potential impacts

Mitigation and design advice

Planning-ready reporting

Related Dark Sky Services

Additional services and guidance on the topic: