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FortressAssociates
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FortressAssociates

Compliance services for UK projects.

Four core specialisms, each delivered with care. Bundle them for a co-ordinated package — or commission one.

Technical section showing the BRE 25-degree daylight test between an existing dwelling and a proposed building

Daylight & Sunlight Reports

BRE 2022 (BR 209) daylight, sunlight and overshadowing assessments for planning submissions.

  • VSC, NSL, APSH calculations
  • Sun-on-ground analysis
  • Overshadowing & outlook
  • Mitigation recommendations
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Dimensioned Building Regulations floor plan with door swings, stair and section marker

Building Regulations Drawings

Full Plans submission packages for extensions, new builds, conversions and commercial fit-outs.

  • Approved Documents A–S
  • Structural calculations on request
  • Part L SAP & thermal compliance
  • Building Control liaison
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Flood risk map showing Flood Zones 2 and 3, a river and a red-line application site boundary

Flood Risk Assessments (FRA)

Site-specific flood risk assessments with drainage & SuDS strategy for planning applications.

  • EA flood zone & surface water screening
  • Sequential & exception test support
  • SuDS drainage strategy
  • Planning-ready PDF report
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Air quality map showing an AQMA boundary, roadside concentration plumes, wind direction and an application site

Air Quality Assessments (AQA)

Site-specific air quality assessments for planning applications, built on official Defra data.

  • AQMA & Defra background screening
  • IAQM construction dust risk assessment
  • Operational screening & mitigation plan
  • Planning-ready PDF report
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Specialist Add-Ons

Plus the supporting services your scheme may need.

Optional add-ons that can be commissioned standalone or bundled with your main report.

/ 01

Daylight in dwellings

BS EN 17037 internal daylight assessment for new residential schemes.

/ 02

Overshadowing studies

Sun-on-ground analysis on neighbouring gardens and amenity spaces.

/ 03

SAP & Part L

SAP 10.2 calculations, U-value reports and thermal element specifications.

/ 04

Structural detailing

Beam, lintel and load-path calculations via partnered chartered engineers.

/ 05

Site & location plans

1:1250 and 1:500 plans for planning and Building Control submissions.

/ 06

Construction details

Detailed junctions and assemblies to support Approved Document compliance.

Bundle & Save

Commission both services together — get a co-ordinated package.

When daylight and Building Regs are produced together by one team, the documents reference each other cleanly, the timeline shortens, and you get a discount on the combined fee.

  • Single point of contact across both reports
  • Discount on the combined fee
  • Faster turnaround (parallel workstreams)
  • Cross-referenced documents for planning & Building Control
Request a bundled quote
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Get a fixed quote in 24 hours.

Email your drawings — we'll respond with a fee and delivery date the next working day.

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