The Avoice library
Resources
Good practice starts with shared knowledge. Explore guides, research and tools for the work ahead.
275 resources. One place to find your next answer.
The State of UK Specifications 2026
We graded 50 real UK architectural specifications to measure coordination defects, commercial risk and specification quality.
50-specification study Read the report
The hard questions about specifications written in Avoice
93 questions technical directors, spec writers and directors ask us, with straight answers.
Read the questionsExplore the library
275 resources to explore
- Guide13 min read
Design Responsibility Matrix: A Guide and Template for UK Architects
A design responsibility matrix for UK architects: who designs what at each RIBA stage, a free template to copy, and how to tie it to the spec and CDP.
Specifications & quality - Guide14 min read
RIBA Stage 4: What Technical Design Must Cover Before Tender
What RIBA Stage 4 technical design must cover before tender: drawings, specification, schedules, coordination and sign-off, as a technical director sees it.
Specifications & quality - Guide14 min read
ISO 19650 for Architects: What It Actually Asks of You
ISO 19650 explained for UK architects: the parts, the UK National Annex, EIR, BEP and delivery plans, the CDE, naming, and where the specification fits in.
Specifications & quality - Guide15 min read
How to Move an Office Master from CAWS to Uniclass 2015
How to move an office master specification from CAWS to Uniclass 2015: scope, mapping, rebuilding clauses, running both systems in parallel, and cut-over.
Specifications & quality - Guide14 min read
CAWS Explained: The Common Arrangement of Work Sections
CAWS explained: the Common Arrangement of Work Sections, its group letters and sections, how UK specifications use it, and how it relates to Uniclass 2015.
Specifications & quality - Guide14 min read
Why Specifications Fail the Same Way in Every Practice
The eight practice-level root causes that UK specification audits keep finding, how to tell which ones your practice has, and what a TD should fix first.
Specifications & quality - Guide13 min read
The Pre-Issue Technical Review: A Technical Director's Sign-Off Checklist
A technical director's pre-issue specification review: seven checks in order, who should do them, how long to allow and how to record sign-off before issue.
Specifications & quality - Guide14 min read
CAWS to Uniclass: The Sections That Don't Map One to One
A CAWS to Uniclass 2015 mapping table for common architectural sections, with the one-to-many and many-to-one cases and how to decide where each one goes.
Specifications & quality - Guide13 min read
Uniclass Codes Explained: Ss, Pr or EF, and Which One Your Specification Uses
Uniclass 2015 codes explained: the tables, how the code structure works, and whether your specification should use Ss systems, Pr products or EF elements.
Specifications & quality
Browse all resources (275)
Research (1)
Blog (33)
- Moving Your NBS Office Master to Avoice
- Construction administration efficiency: where architects lose the most time
- The role of manufacturer product data in modern specification writing
- Specification clause writing: common mistakes UK architects make
- Why QA/QC is the most undervalued stage of specification writing
- The architect's guide to evaluating AI construction tools
- How to write preliminary clauses that protect your practice
- Specification review workflows: manual markup vs AI-assisted checking
- Specification coordination between architect and structural engineer: closing the gaps
- How to Build a QA/QC Checklist for Architectural Specifications
- How AI is transforming construction documentation in 2026
- Using AI to check specification compliance against UK Building Regulations
- Product submittal review: the bottleneck nobody talks about
- AI-powered quality control: catching specification conflicts before they reach site
- Common specification errors that cost UK construction projects thousands
- How to specify for embodied carbon: a practical guide for architects
- Performance or prescriptive: choosing the right specification approach
- Why your window and door schedules don't match your specification
- Energy performance specifications: from Part L 2021 to the Future Homes Standard
- Fire safety specifications after the Building Safety Act: what architects need to get right
- Why your BIM model and your specification still don't agree
- Structuring your first AI-generated specification with Avoice
- The hidden cost of manual schedules of quantities in architecture
- Building Code Compliance Checking: Manual Review vs AI-Assisted
- The Complete Guide to Specification Writing for RIBA Work Stages
- Why small architecture firms are outpacing large practices with AI
- Why Your Specification Workflow Is Costing You Projects
- How to Use AI to Write Architectural Specifications Faster
- Best Practices for Writing Architectural Specifications in the UK
- 5 Documentation Tasks Every Architect Should Automate in 2026
- How AI Is Cutting Specification Writing Time from Weeks to Days
- The hidden cost of manual specification writing in architecture
- Why the next wave of AI in architecture isn't about design
Guides (235)
- Design Responsibility Matrix: A Guide and Template for UK Architects
- RIBA Stage 4: What Technical Design Must Cover Before Tender
- ISO 19650 for Architects: What It Actually Asks of You
- How to Move an Office Master from CAWS to Uniclass 2015
- CAWS Explained: The Common Arrangement of Work Sections
- Why Specifications Fail the Same Way in Every Practice
- The Pre-Issue Technical Review: A Technical Director's Sign-Off Checklist
- CAWS to Uniclass: The Sections That Don't Map One to One
- Uniclass Codes Explained: Ss, Pr or EF, and Which One Your Specification Uses
- Linking Uniclass Codes in Revit and ArchiCAD to Your Specification
- How to Set and Enforce Technical Standards Across a Multi-Office Practice
- How to Keep an Office Master Specification Up to Date
- How to Write a Contractor's Design Portion (CDP) Performance Specification
- What Your Specification Must Show at Gateway 2
- Outline Specifications at RIBA Stages 2 and 3: How Much Detail Is Enough
- Specification Change Control from Tender to Completion
- How to Specify Work to Listed and Conservation Buildings
- Specifying Fire Detection and Alarm Systems to BS 5839-1:2025
- Part L 2026 and the Future Homes Standard: What Services Engineers Need to Change
- NSSS Explained: Using the National Structural Steelwork Specification on a Project
- How to Write an M&E Specification: A Field Guide for UK Building Services Engineers
- Second-Generation Eurocodes: What to Change in Your Specifications by March 2028
- The Temporary Works Design Brief: What Permanent Works Engineers Must Provide
- What Happened to NES, and How UK Services Engineers Write Specifications Now
- M&E Design Responsibility: Performance vs Prescriptive, with a Free Matrix Template
- Overheating: Specifying and Reporting to TM59, TM52 and Part O
- Commissioning, Soft Landings and O&M Clauses That Actually Get Delivered
- Gateway 2 and the Golden Thread for Building Services Engineers
- How to Write a UK Structural Specification
- Steel Connection Design Responsibility in the UK: Who Designs What
- The Structural Designer's Risk Assessment under CDM 2015
- Deltek Vision Support Changes: Options for UK Practices
- Project Management Software for UK Architects
- How to Track Time Against RIBA Stages
- How to Calculate Architects' Fees in the UK
- How to Switch Practice Management Software
- Resource Planning for Architecture Practices
- Avoice vs Monograph for UK Architecture Practices
- Monograph Alternatives for UK Architects
- Utilisation Rate for Architects: How to Measure It
- Architect Fee Proposal Template for UK Practices
- Stage-Based Invoicing for Architects
- Additional Services and Variations for Architects
- WIP and Unbilled Fees in Architecture Practices
- Architecture Project Profitability
- Total Synergy Alternatives for UK Practices
- Cash Flow Forecasting for Architecture Practices
- Xero for Architects: Setting Up a UK Practice
- How to Set Architect Hourly Rates in the UK
- Architecture Practice KPIs: Ten Numbers to Watch
- Deltek Vantagepoint Alternatives for UK Practices
- Practice Management for Small Architecture Practices
- Project Management for Architects: A First Guide
- Architect Timesheet Template by RIBA Stage
- The 30-Minute Weekly Project Review for Architects
- How to Build a Design Programme by RIBA Stage
- CRM for Architects: Tracking Leads to Appointments
- Leave and Capacity Planning for Architects
- Running an Architecture Practice Across Studios
- How to Read a Fee Burn Report
- AI for Architecture Practice Management
- Switching specification software: a guide for UK practices
- The Office Master Specification: A Technical Director's Guide
- How to specify ceramic tiles
- How to specify plasterboard
- How to specify vinyl flooring
- How to specify tile adhesives
- How to specify concrete blocks
- How to specify carpet tiles
- How to specify fire doors
- How to specify damp-proof membranes
- How to specify sealants
- How to specify screeds
- How to specify single ply roofing membranes
- How to specify rubber flooring
- How to specify PIR insulation boards
- How to specify glass balustrades
- How to specify porcelain paving
- How to specify timber cladding
- How to specify silicone render
- How to specify stair nosings
- How to specify wall ties
- How to specify intumescent paint
- How to specify vapour control layers
- How to specify cavity trays
- How to specify lintels
- How to specify suspended ceiling tiles
- How to specify facing bricks
- How to specify mineral wool insulation
- How to specify door closers
- How to specify entrance matting
- How to specify clay roof tiles
- How to specify access hatches
- How to specify breather membranes
- How to specify fibre cement cladding
- How to specify natural stone tiles
- How to specify engineered wood flooring
- How to specify laminate flooring
- How to specify composite decking
- How to specify plywood
- How to specify door handles
- How to specify composite doors
- How to specify acoustic panels
- How to specify brick slips
- How to specify bifold doors
- How to specify uPVC windows
- How to specify masonry paint
- How to specify rainwater goods
- How to specify OSB boards
- How to specify block paving
- How to specify insulated plasterboard
- How to specify aluminium windows
- How to specify door hinges
- How to specify emulsion paint
- How to specify linoleum
- How to specify roof windows
- How to specify lime plaster
- How to specify natural stone paving
- How to specify acoustic insulation
- How to specify timber windows
- How to specify resin bound gravel
- How to specify terrazzo
- How to specify concrete roof tiles
- How to specify fire stopping
- How to specify steel doors
- How to specify basement tanking
- How to specify natural roof slates
- How to specify curtain walling
- How to specify tactile paving
- How to specify cavity barriers
- How to specify blinds
- How to specify internal doors
- How to specify kitchen worktops
- How to specify artificial grass
- How to specify wall panelling
- How to specify sliding doors
- How to specify loft insulation
- How to specify WC pans
- How to specify fencing
- How to specify parquet flooring
- How to specify garage doors
- How to specify kitchen units
- How to specify cement boards
- How to specify wood stains
- How to specify taps
- How to specify composite cladding boards
- How to specify gates
- How to specify floor paints
- How to specify shower trays
- How to specify lockers
- How to specify trickle vents
- How to specify lead flashings
- How to specify bollards
- How to specify microcement
- How to specify signage
- How to specify spray foam insulation
- How to specify soakaway crates
- How to specify cork flooring
- How to specify tile grouts
- How to specify spiral staircases
- How to specify natural stone cladding panels
- How to specify dry ridge and verge systems
- How to specify geotextiles
- How to specify hand dryers
- How to specify frameless glass doors
- How to specify fascias and soffits
- How to specify gabions
- How to specify rooflights
- How to specify brise soleil
- How to specify CLT
- How to specify gravel grids
- How to specify handrails
- How to specify roller shutters
- How to specify air bricks
- How to specify acoustic underlay
- How to specify Doc M packs
- How to specify platform lifts
- How to specify automatic doors
- How to specify glass blocks
- How to specify polycarbonate roofing
- How to specify profiled metal cladding sheets
- How to specify louvres
- How to specify glulam beams
- How to specify kerbs
- How to specify permeable paving
- How to specify resilient bars
- How to specify washbasins
- How to specify felt roofs
- How to specify EPS insulation boards
- How to specify fire retardant paints
- How to specify fire curtains
- How to specify insulated wall panels
- How to specify XPS insulation boards
- How to specify sheep wool insulation
- How to specify multifoil insulation
- How to specify plaster beads
- How to specify zinc cladding
- How to specify standing seam roofs
- How to specify wood fibre insulation
- How to specify structural insulated panels
- How to specify radon and gas membranes
- How to specify calcium silicate board
- How to specify fire-rated glass
- How to specify drainage channels
- How to specify raised access floors
- How to specify phenolic insulation boards
- How to specify inspection chambers
- How to specify terracotta cladding panels
- How to specify sand and cement render
- How to specify cavity drain membranes
- How to specify glazed partitions
- How to specify liquid applied roofs
- How to specify cycle stands
- Approved Document B explained
- Gateway 2 submissions explained
- Approved Document M explained
- Principal designer duties explained
- Approved Document K explained
- Fire strategy reports explained
- Part L and the Future Homes Standard
- Section 106 agreements for architects
- CDM vs Building Regulations principal designer
- Approved Document F explained
- Higher-risk buildings explained
- 1 in 5 UK specifications carried a legally consequential error
- Discharge of planning conditions
- Approved Document O explained
- The designer's risk assessment
- Specification defects at contract issue
- Building regulations in Wales
- The golden thread explained
- TBCs in specifications at tender
- Part 2A of the Building Regulations explained
- How to write an MEP specification in the UK
- Specification Writing for Beginners