Mon–Fri 9–18 · Sat 10–16
FortressAssociates

Compliance services for UK projects.

Three core specialisms, each delivered by senior consultants. Bundle them for a co-ordinated package — or commission one.

Bright residential interior with daylight

Daylight & Sunlight Reports

BRE 2022 (BR209) daylight, sunlight and overshadowing assessments for planning submissions.

  • VSC, NSL, APSH calculations
  • Sun-on-ground analysis
  • Overshadowing & outlook
  • Mitigation recommendations
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Fire safety equipment

Fire Strategy Reports

Approved Document B fire strategies, fire risk assessments and PIB drawings for UK buildings.

  • Approved Doc B / BS 9999 / 9991
  • Fire risk assessment (FSO 2005)
  • HRB & BSR Gateway support
  • PIB drawings & evacuation plans
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Architectural drawings on a desk

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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Specialist Add-Ons

Plus the supporting services your scheme may need.

We're a full-spectrum compliance partner — these add-ons can be commissioned standalone or bundled.

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Rights of Light

Surveyor advice for developers and adjoining owners; injunction risk assessment.

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Daylight in dwellings

BS EN 17037 internal daylight assessment for new residential schemes.

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SAP & Part L

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

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Evacuation modelling

Pathfinder / STEPS modelling for complex egress design (BS 7974).

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Fire risk assessment

Type 1–4 FRAs under the Regulatory Reform (Fire Safety) Order 2005.

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Structural detailing

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

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Planning support

Pre-app advice, design statements and Local Plan policy compliance briefs.

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HRB Gateway packs

Building Safety Act 2022 — Gateway 2/3 documentation and golden thread.

Bundle & Save

Commission two or three services together — get a co-ordinated package.

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

  • Single point of contact across all reports
  • Up to 15% discount on combined fee
  • Faster turnaround (parallel workstreams)
  • Cross-referenced documents for Building Control
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Modern UK office workspace
Get Started

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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