Window Quotation Example — What a Professional Quote Looks Like

See a real example of a professional window quotation. What to include, how to structure it, and why certain line items close deals faster than others.

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Anatomy of a Winning Window Quote

Every professional window quotation has the same structure. Five sections — lose any one and you weaken the quote.

1

Project Identification

Quote number, date, validity period (usually 30 days), client name and address, site address, and a short project description. Seems trivial — but clients often have 3-4 window quotes side by side, and clear identification determines which one they read first.

2

Detailed Window Schedule

Each window line-itemised with a code (W01, W02), location description (kitchen, master bedroom), dimensions (W × H in mm), configuration type (casement, tilt-turn), glass specification, colour, hardware, and per-unit price. Never quote a single total price for all windows — clients need to see what they're paying for.

3

Included & Excluded Scope

Explicit list of what's included (supply, fit, making good, removal of old, FENSA certificate) and what's excluded (scaffolding, redecoration, electrical relocations). Removes 80% of post-quote dispute — and shows professional rigour compared to vague 'supply and install' quotes from competitors.

4

Commercial Terms & Payment Schedule

Total price (ex-VAT and inc-VAT), payment schedule (typical: 30% deposit, 40% on delivery, 30% on completion), validity period, warranty terms, and conditions of acceptance. Well-structured terms protect both parties and build trust.

Frequently Asked Questions

How long should a window quotation be?
For residential replacement (5-10 windows): 2-3 pages — cover letter, window schedule, terms. For a new-build project (30-100 windows): 5-8 pages including detailed specification. For commercial curtain wall: 15-30 pages with full technical submittal. Length should match project complexity; excessive length for simple work signals overkill.
Should I include drawings in the quotation?
Absolutely. For any window quote over £5,000, include a small elevation drawing per window type — showing configuration, opening direction, and proportions. Clients visualise what they're buying instead of imagining it. Drawings typically push win rate up by 15-25% vs text-only quotes.
How detailed should the glass specification be?
Every residential quote should show: glass configuration (4-16-4), Low-E coating presence, argon fill, U-value. Commercial quotes add: specific product name (e.g., Saint-Gobain SGG Planitherm One), Uf/Ug split, solar gain factor, light transmittance. Avoid 'A-rated double glazing' vague references — they allow competitors to claim the same while using cheaper products.
Can I email a quotation or does it need to be posted?
Email is universally acceptable for residential and SME work. For public-sector bids or large commercial contracts, check tender instructions — some still require physical submission or e-procurement portals (Contracts Finder, TED). Doorwin exports in formats that match all three channels.

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