// Statutory certificates & H&S documents

Every certificate, signed by the right people.
Locked, branded and ready to hand over.

Works with no signal Answers, signatures & photos saved on the device - sync later

Compliance & Certificates keeps the statutory paperwork for each job where the work happens - on the project, the block and the plot. Fill in a certificate or H&S document from a ready-made UK template, collect every signature on site, and only people holding the right in-date qualifications can complete or sign. When the last signature is in, the document locks and a branded PDF is ready to email to your client or building control.

From the Construction Phase Plan to the last plot's EIC - the right form, signed by qualified people, locked with a full history - so you can evidence what was done, by whom and when.
25
Ready-made UK templates
3
Levels · project, block, plot
SHA-256
Fingerprint on every locked document
Offline
Fill in & sign with no signal
// Where it lives

On the plot, the block
and the whole site.

Plot certificates sit in a Certificates & H&S tab next to Tasks and Quality Control. Site-wide documents live in the project's Site Compliance tab, and block documents sit on the block.

Plot 14 - Maple Court

Block B · 3-bed semi
Electrical Installation CertificateBS 7671 · 3 of 3 signatures
Locked 12 OctRev 1
Completed
Gas Building Regulations Compliance CertificateBoiler install · 1 of 2 signatures
Started 21 OctAwaiting client
Awaiting signature
Benchmark commissioning checklistDraft · 2 photos still required
-In progress
Draft
Energy Performance CertificateRecorded · certificate uploaded
Issued 02 OctAccredited assessor
Recorded
Landlord Gas Safety Record (CP12)Annual · renews automatically
Due 14 Nov⏱ 20 days
Renewal due

Three levels, one record

Project · Block · Plot
ProjectSite Compliance tab

Site-wide documents

Construction Phase Plan, RAMS, the HSE F10 notification record and the CDM Health & Safety File.

BlockOn each block

Shared parts of a building

Fire risk assessment, fire door inspections, fire stopping & compartmentation, fire safety equipment logs.

PlotCertificates & H&S tab

Each home or unit

EIC, Gas Building Regulations certificate, CP12, EICR, EPC, air tightness, Part F, Part P, Benchmark and G3.

// Template library

25 UK templates,
ready on day one.

Start from a ready-made template for the documents UK contractors are asked for most. Edit any of them to suit how you work, or build your own from scratch.

New build

Design & construction
  • Electrical Installation Certificate (EIC)
  • Gas Building Regulations Compliance Certificate
  • Structural Engineer's Report
  • Building Control Completion Certificate

Retrofit & refurb

Alterations
  • PAS 2035 Retrofit Condition Survey & Risk Assessment
  • Moisture Risk Assessment
  • Asbestos Refurbishment & Demolition Survey
  • Energy Performance Certificate (EPC)

Maintenance

Ongoing & commercial
  • EICR↻ Every 5 years
  • Landlord Gas Safety Record (CP12)↻ Annual
  • Fire Risk Assessment
  • Fire Safety Equipment Log
  • PAT testing record

Health & safety

Construction phase
  • Construction Phase Plan
  • RAMS
  • HSE F10 notification recordWorks out if notifiable
  • CDM Health & Safety File

Building Regs & fire

Commissioning & evidence
  • Part L BREL & photographic evidence
  • Air Tightness Test
  • Part F Ventilation Commissioning
  • Part P notification
  • Benchmark commissioning
  • G3 unvented hot water
  • Fire Stopping & Compartmentation inspection
  • Fire Door Inspection↻ Quarterly
Build your own: Questions Photo evidence Mandatory fields Conditions File uploads Required qualifications Signatures Recurrence
// Qualification checks · multiple sign-offs

Only qualified people
can fill in or sign.

A template - and each signature on it - can require qualifications such as Gas Safe, NICEIC or NAPIT CPS, 18th Edition, 2391, Fire Risk Assessor or PAS 2035 Retrofit Assessor. DuoApp checks them when someone opens the form and again at the moment they sign.

Gas Building Regs Certificate - sign-off

Plot 14 · signing order on
1
Installer - Dan Hughes
Requires Gas Safe · reg. no. recorded with signature
D. Hughes
Signed
2
Inspector - Sam Patel
Requires Gas Safe · qualification expired
Blocked
3
Client - signs on this device
No DuoApp login needed · declaration shown first
Waiting
Sam can't sign this document. His Gas Safe registration on file expired on 18 Oct. Once a renewed card is uploaded and verified by an admin, he can sign.

Dan Hughes - Qualifications

Profile · added with evidence
Gas Safe RegisteredCard uploaded · expires 30 Jun 2027
Verified
18th Edition (BS 7671)Certificate uploaded · no expiry
Verified
G3 Unvented Hot WaterExpires 04 Dec 2026 · reminder sent
Expiring
2391 Inspection & TestingUploaded yesterday
Awaiting verification

Documents already approved in Document Compliance - such as a Gas Safe card - count too, so nobody uploads the same card twice.

// One document, one lifecycle

From the first answer
to the client's inbox.

01

Add the document

Pick a template on the project, block or plot. Required qualifications and signatures come with it.

02

Fill in on site

Answers, photos and file uploads. Mandatory questions and photos must be done before it can be signed.

03

Collect signatures

Installer, inspector, client - in order if you choose. Touch-screen signatures with the declaration text.

04

Locks automatically

The last signature locks the document, adds a SHA-256 fingerprint and creates a branded PDF.

05

Send it

Email the PDF and any uploaded certificate to the client or building control, or download and share.

06

Renews itself

Recurring documents such as CP12, EICR and fire door inspections come round again with reminders.

// Locked, fingerprinted, sent

A record you can stand behind.

Once signed, a document can't be quietly edited. A change is made as a new revision that supersedes the old one, so the full history stays - who signed, with which qualification, and where the PDF was sent.

EIC - Plot 14, Maple Court

Completed · Rev 1
All 3 signatures collected - document locked and PDF created.
Signed by
Installer, inspector and client
Qualifications
NICEIC · 18th Edition · 2391 - registration numbers recorded
PDF
Branded with your company logo
Fingerprint
SHA-256 9f2c…e41a
Email PDFDownloadShareNew revision

History & sent log

Every change, every email
Karen Briggsemailed the PDF to the client.Recipient and time added to the sent log.
Today · 10:02
Systemlocked the document and created the PDF.SHA-256 fingerprint recorded.
12 Oct · 16:41
Clientsigned on the installer's tablet.Declaration accepted before signing.
12 Oct · 16:40
Sarah Colesigned as inspector.2391 qualification checked at signing.
12 Oct · 15:12
Previous revisionkept as superseded.Kept in the document's full history.
History
// Renewals & dashboard

Nothing quietly
goes out of date.

Recurring documents renew automatically, with reminders before they're due and alerts when they're overdue. One company dashboard shows what needs attention across every project.

Compliance dashboard

All projects
3
Overdue
11
Renewal due
6
Awaiting signature
Fire Door InspectionRiverside Quay · Block A · quarterly
Due 02 Oct23 days overdue
Overdue
EICRHarbour House · Unit 3 · every 5 years
Due 30 Nov⏱ 36 days
Renewal due
Construction Phase PlanMaple Court · site-wide · 2 of 3 signatures
Started 20 OctPrincipal contractor next
Awaiting signature
// Works without signal

Signed in the plant room,
synced in the van.

Certificates get filled in where the signal isn't - basements, risers, new-build shells. In the DuoApp mobile app, answers, signatures, photos and files are saved on the device and sync when you're back online.

No signal

Fill in and sign

Answer every question and collect touch-screen signatures - from your team and from a client or inspector on the same device.

Back online

Syncs on its own

Answers, signatures, photos and files upload automatically when the phone or tablet is back online - nothing to re-enter.

Good to know

Photos and files wait on the device

Photo evidence and files up to 15 MB are kept on the phone and shown as waiting to upload, then go up before the document is submitted.

// Building Safety Act · golden thread

Hand over the whole record
in one download.

For higher-risk buildings and any job where the client wants the full picture, DuoApp helps you keep and hand over the information that evidences how the building was built.

Mark higher-risk buildings

Mark a project as a higher-risk building under the Building Safety Act.

Record the building control body

LABC, a Registered Building Control Approver or the Building Safety Regulator - plus the project's F10 reference.

Download the golden thread pack

A zip of every completed document, its PDF, uploaded certificates and an index with fingerprints - for handover to the client or Accountable Person.

maple-court-golden-thread.zip

Golden thread pack
index.pdf - every document with its SHA-256 fingerprint
Site/
Construction Phase Plan.pdf
HSE F10 notification record.pdf
Block A/
Fire Stopping & Compartmentation.pdf
Fire Door Inspection - Rev 3.pdf
Plot 14/
EIC.pdf
Gas Building Regs Certificate.pdf
Uploaded certificates/
EPC.pdf - issued by accredited assessor
// Good to know

The details that matter
when the certificate is the record.

01

Works with your scheme software.

Certificates issued elsewhere - scheme software, accredited assessors, building control - are recorded with their details and the uploaded certificate. DuoApp doesn't replace your NICEIC or NAPIT software.

02

Mandatory means mandatory.

Make any question or photo required. Conditions show the right follow-up questions, so the form only asks what applies to the job.

03

Admins verify qualifications.

Workers add qualifications with evidence on their profile and an admin verifies them. Expiry reminders go out before they lapse.

04

Signers on record.

Each signature stores the signer's qualification and registration number alongside the time it was given.

05

Helps you evidence compliance.

DuoApp keeps the record and the history. Responsibility for the work, and for meeting the regulations, stays with the people doing and signing it.

06

Included in your plan.

No add-on to buy - it's included in existing plans. We switch it on for your company - just ask.

Hand over every certificate, signed and locked.

See Compliance & Certificates on one of your own projects - bring the certificates you're asked for most and we'll walk through the templates, sign-offs and PDFs in 30 minutes.