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Free Invoice Template for Architects

Invoice clients for architectural services by RIBA stage, percentage of construction cost, or fixed fee. VAT support, instant PDF — no subscription needed.

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What to Include on an Architect Invoice

Architectural invoices often cover long projects spanning months or years, so clarity on what phase is being invoiced is essential. Include:

Project name and address
RIBA stage or work stage — e.g., "Stage 1: Preparation and Briefing", "Stage 3: Spatial Coordination"
Scope of services — concept design, planning application, detailed drawings, contract administration
Fee basis — % of construction cost, fixed stage fee, or hourly
Disbursements — planning application fees, structural engineer fees, OS mapping licences
Your ARB/RIBA registration number if applicable
Payment milestone — what triggers this invoice (planning approval, RIBA stage sign-off)

Billing Models for Architectural Services

Percentage of construction cost: The traditional model — your fee is a percentage of the total build cost. Typically 8–15% for residential projects. Aligns your incentive with delivering a well-specified project, but requires a clear agreement on what "construction cost" means (does it include contractor profit, VAT, contingency?).

Fixed stage fees: A defined fee per RIBA stage — predictable for both parties. Client knows their cost upfront; you know your revenue. Works well when project scope is clear.

Hourly rate: Best for early-stage feasibility, planning appeals, or work with poorly-defined scope. Senior architect rates in the UK range from £80–£200/hour depending on experience and project type.

Lump sum: Common for smaller residential projects (extensions, loft conversions) where scope can be defined clearly upfront.

Invoicing Disbursements and Planning Fees

Architects regularly pay fees on behalf of clients — recover them promptly:

Planning application fees — pass through at cost. Reference the LPA reference number: "Planning fee — LPA ref: 2025/0123 — £206"
Structural and specialist consultant fees — if you coordinate consultants, pass their fees through with a small coordination markup (5–10%)
OS mapping and survey licences — Ordnance Survey base map licences, topographic surveys
Building Regulations applications — local authority or Approved Inspector fees
Printing and presentation materials — large-format prints, models, presentation boards

VAT for Architects

Architectural services are standard-rated for VAT:

UK architects: Register for VAT at £90,000 turnover. Standard rate (20%) applies to all professional architectural services. Planning application fees paid to the LPA are not VATable — pass them through at cost with no VAT.
EU architects: Professional services are taxable at standard VAT rates. Cross-border B2B architectural services typically use reverse charge in the EU.
Overseas projects: UK architects working on projects in other countries should check local VAT/GST rules — services may be deemed supplied where the land is situated, not where the architect is based.

Frequently Asked Questions

When should I invoice for a planning application?

Invoice the planning stage fee on submission of the planning application — not on approval. Approval is outside your control. Your fee covers the work of preparing and submitting the application. If planning is refused and you are asked to appeal or resubmit, that is additional scope and should be invoiced separately.

How do I invoice for a project that is cancelled after design stages?

Your appointment should specify a termination fee. Typically you are owed fees for all work completed to date. Invoice for the completed stages in full and any abortive work costs. Reference the relevant clause in your appointment: "Termination fee per appointment clause 12 — completed stages 1–3 — £4,200".

Can I charge for site visits and meetings separately?

Yes, if not included in your stage fee. Charge travel time and mileage for site visits beyond a defined radius, or include a site visit allowance in your stage fee and note how many visits are included. Unexpected additional site visits after construction starts should be charged as additional services.

What is a reasonable late payment clause for architectural invoices?

State Net 14 or Net 30 payment terms and include statutory late payment interest as a deterrent. For large project invoices, Net 14 is reasonable and standard practice. On long projects, don't allow multiple unpaid invoices to accumulate — address payment issues at each stage before proceeding to the next.

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