The InvoiceAdept blog.

Practical guides on Making Tax Digital, invoicing, and running a successful trades business, written in plain English, not accountant-speak.

business-tipsself-employedwindow-fitting

How to start a window fitting business in the UK

Thinking of starting a window fitting business in the UK? This guide covers qualifications, tools, pricing, insurance, and how to find your first customers.

9 September 20266 min read
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EV ChargerWallboxCIS

EV charger invoice template UK (2026): wallbox, CIS, VAT and stage payments

EV charger invoice template UK for wallbox and workplace installs - CIS, VAT (not 708/6 ESM), deposits, stages and examples.

8 September 202632 min read
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Solar PanelSolar PVMCS

Solar panel invoice template UK (2026): MCS, CIS, VAT and stage payments

Solar panel invoice template UK for MCS-registered PV installs - CIS, VAT Notice 708/6, deposits, stages and householder vs contractor examples.

8 September 202630 min read
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Resin DrivewayResin BoundResin Bonded

Resin driveway invoice template UK (2026): bound vs bonded, CIS and VAT

Resin driveway invoice template UK for bound vs bonded drives - CIS, VAT, deposits, UV binder and householder vs contractor examples.

8 September 202627 min read
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Block PavingPermeable PavingConcrete Block

Block paving invoice template UK (2026): permeable drives, CIS and VAT

Block paving invoice template UK for concrete, clay and permeable drives – CIS, VAT, deposits, stages and householder vs contractor examples.

7 September 202625 min read
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RetentionRetentionsPractical Completion

Retentions in UK construction (2026): how they work, HGCRA rights and release

UK construction retentions work in 2026: typical hold-backs, PC/DLP release, HGCRA payment rights, insolvency risk and how to invoice release.

7 September 202614 min read
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Heat PumpASHPGSHP

Heat pump invoice template UK (2026): ASHP, CIS and VAT

Heat pump invoice template UK for ASHP/GSHP installs — CIS, VAT Notice 708/6, deposits and householder vs contractor examples.

7 September 202627 min read
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DeckingCISCISR14100

Decking invoice template UK (2026): timber, CIS and VAT

Decking invoice template UK for timber and composite decks - CIS, VAT, deposits and householder vs contractor examples.

7 September 202622 min read
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Basement ConversionCellar ConversionDig-out Basement

Basement conversion invoice template UK (2026): CIS, VAT and stages

Basement conversion invoice template UK for dig-out, cellar fit-out and Type A/B/C - CIS, VAT, deposits and stages.

6 September 202627 min read
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PatioCISCISR14100

Patio invoice template UK (2026): paving, CIS and VAT

Patio invoice template UK for rear, front, porcelain, sandstone and brick paving - CIS, VAT, deposits and householder vs contractor examples.

6 September 202627 min read
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OrangeryRoof LanternBrick Dwarf Walls

Orangery invoice template UK (2026): roof lantern, CIS and VAT

Orangery invoice template UK for brick-base lantern packages, CIS, VAT, deposits and householder vs contractor examples.

6 September 202626 min read
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PorchCISCISR14100

Porch invoice template UK (2026): CIS, VAT and stages

Porch invoice template UK for front, rear, enclosed, open, lean-to, oak, UPVC and brick porches - CIS, VAT, deposits and householder vs contractor examples.

6 September 202623 min read
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