Specifications

Specification, done properly.

Draft, coordinate and issue a tender-ready CAWS or Uniclass specification from your drawings with the Avoice AI Spec Model.

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Concrete and glass civic library illuminated at dusk

Project information in. Coordinated specification out.

Spec agentReady

GA plans L00–L03 · 12 sheets

Fire strategy report · 84 pages

Door schedule · 148 entries

BS EN 13501-1 · current edition

EXTERNAL WALLS · /4 EXECUTION

4.2.1 Install rigid insulation board tight to sheathing with no gaps at board edges or junctions. Fix mechanically at 400mm centres using fixings recommended by the board manufacturer.

4.2.2 Maintain continuity of insulation at all junctions with adjoining elements. Where continuity cannot be achieved, install as shown on the relevant junction detail.

GA plans L02Fire strategy p.31BS EN 13501-1Practice library

Specification Quality Index 2026

Would your last specification survive a dispute?

We graded 50 UK specifications. One in five went to tender with legally consequential errors.

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Measured against real work

We built a model that scores 97 out of 100.

The average UK specification scored 66. Avoice is built to produce work that is complete, coordinated and ready for scrutiny.

97/100

Avoice AI Spec Model

Tested on three architectural briefs using the same grading method as the UK sample.

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Built for impact

The specification writer built for the age of AI.

A better, faster and more accurate specification. Written in hours, not weeks, and checked against your drawings before it leaves the office.

AI-Powered Spec Writing

Specs drafted from your project

Start from the drawings, schedules and decisions already made, not a blank page.

Coordinated, tender-ready specifications written from your drawings, schedules and brief
Built on a model fine-tuned specifically for specification writing
Open items flagged as TBCs with reasons, never guessed or buried in prose

Rainscreen cladding systemsSs_25_13_60 Uniclass 2015

Northgate Academy — Specification

2.1

Rainscreen system: Rockpanel FS-Xtra, mechanically fixed to aluminium T&L rail, open drained and back-ventilated.

SystemsPr_25_57_06

2.2

Panel: mineral-filled composite, 4 mm, PVDF finish to BS EN 1396.

Systems

3.1

Reaction to fire: Class A2-s1, d0 to BS EN 13501-1.

PerformanceReg 7

3.2

Wind loading to BS EN 1991-1-4, exposure Category II; deflection ≤ span/180.

Performance

4.1

Set out joints from datum lines on the elevation drawing series. Install in accordance with manufacturer instructions. Do not scale.

ExecutionNo room refs

5.1

Submit installer certification and cavity barrier record before completion.

Completion

Sources & Compliance

Every clause traceable to its source

Clauses cite the Approved Documents, legislation and guidance behind them
Checked against your drawings for conflicts, orphan references and leftover content
A TBC register to clear before issue, so nothing reaches tender unresolved

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