MCS and Benchmark paperwork holding up handover
Commissioning and handover certs are non-negotiable for the warranty and the MCS audit. Fill them on your phone at the install and hand over a proper PDF the same day.
Benchmark and MCS certificates, straight from your phone
Fill heat pump Benchmark commissioning, MCS handover and Solar PV certificates on site, get them signed at handover, and send the PDF the same day — then quote, invoice and take payment from one app.
Free to start · No card · No download needed — works in your browser
The commissioning and handover certs your schemes demand
Official Benchmark and MCS forms, filled on your phone and stored against the install.
Sound familiar?
The admin headaches every renewable installer knows — solved.
Documents scattered across schemes and folders
Heat pump, cylinder and solar certificates stored digitally against each install and customer — ready for the client, the scheme and building control.
Cash flow on big-ticket installs
Invoice in stages with itemised, professional invoices and a card payment link, so money comes in as the install progresses.
Built around a renewable installer’s working day
Official Benchmark & MCS forms
Heat pump Benchmark commissioning, MCS handover, Solar PV & battery commissioning and cylinder Benchmark — the official forms, filled precisely and output as PDF.
Signed at handover, stored on the job
Capture the customer's signature at handover; the certificate is saved against the install and ready to send.
Quotes, estimates & staged invoices
Estimate full system installs, then invoice in stages with parts and labour, and take card payments online.
Works offline, syncs later
Fill certificates and log work with no signal on a roof or in a plant room — everything syncs when you're back on.
Need the full tour? See everything the TradePlanr app does including digital signatures and job sign-offs.
Not the one on the tools? There’s a version of this page for whoever runs the office.
Free calculators every renewable installer can use
No sign-up, no subscription — the same trade calculators built into the TradePlanr app, free on the web.
Radiator / Room Sizing
Approximate heat requirement for a room from its size and use.
Expansion Vessel Sizing
Minimum vessel size for a sealed heating system.
System Volume Estimate
Approximate water content of a heating system.
Cylinder Reheat Time
Time and energy to heat a hot water cylinder.
Flow Rate from kW & ΔT
Required circulation flow for a heat load at a design ΔT.
Radiator ΔT Output Correction
Convert a radiator’s catalogue output to the output at your system’s ΔT.
Underfloor Heating Pipe Length
Estimate UFH pipe length and loop count from floor area and pipe spacing.
Boiler / Heat Pump Sizing
Estimate whole-house heat loss and the boiler or heat pump size to match.
Heat Pump vs Gas Running Cost
Compare the annual running cost of a heat pump against a gas boiler.
Voltage Drop
Volt drop for twin & earth over a run, checked against BS 7671 limits.
Electric Shower Cable & MCB
Design current, MCB rating and typical cable size for an electric shower circuit.
Max Zs Lookup
Maximum earth fault loop impedance for BS EN 60898/61009 devices.
Zs from Ze + R1+R2
Calculated Zs for a circuit from external loop and conductor resistances.
R1+R2 from Cable Size
Expected conductor resistance for a run from OSG Table I1 values.
Adiabatic CPC Check
Minimum CPC size: S = √(I²t) / k.
Cable Sizing (Correction Factors)
Required tabulated capacity It ≥ In / (Ca·Cg·Ci·Cf), with a T&E suggestion.
Prospective Fault Current
Fault current from a measured loop impedance.
Ring Final Expected Readings
Cross-connected test values from end-to-end ring measurements.
Max Demand (Diversity)
Household maximum demand with OSG diversity allowances.
Ohm's Law / Power
Enter any two of V, I, R, P — the rest are calculated.
kW ↔ Amps
Convert between power and current for single or three phase.
Trunking Fill
Minimum trunking size for a bundle of singles (OSG factors).
EV Charger Load Check
Whether an EV charger fits the existing supply, or needs load management.
EV Charging Cost
What it costs to charge an EV at home — per charge, per mile and per year.
Solar PV Payback
Estimate annual savings and the payback period on a solar PV system.
Running Cost
What an appliance costs to run at a given tariff.
Unit Converter
Common trade unit conversions.
Markup & VAT
Sell price from cost, markup and VAT.
Job Price / Quote Builder
Build a quote from materials, labour and margin.
Day Rate ↔ Hourly Rate
Convert between hourly, day, week and year.
CIS Tax Deduction
CIS deducted and net pay on a subcontractor invoice.
VAT Flat Rate vs Standard
Compare VAT owed on the flat rate and standard schemes.
Self-Employed Tax & NI
Estimate Income Tax, Class 4 NI and take-home from your annual profit.
VAT Registration Threshold
How close your rolling turnover is to the £90,000 VAT registration threshold.
What Should I Charge?
Work back from the income you want to the day and hourly rate you need to charge.
Late Payment Interest
Statutory interest and compensation you can claim on an overdue commercial invoice.
Deposit & Staged Payments
Split a job into a deposit and staged payments.
Retention (Commercial)
Retention held on a contract and when each half is released.
Mileage / Fuel per Job
Mileage claim or actual fuel cost for a journey.
Real Hourly Rate
Your true hourly rate once travel, quoting and admin time are counted.
Join renewable installers across the UK using TradePlanr
Start free in your browser and set up your first job in minutes — no download needed.