EXAMPLE AT A GLANCE
This fictional Brighton loft ventilation retrofit project has 7 itemised lines and an illustrative £2,712.00 total. The app-exported PDF, first-page preview, measurement basis, scope boundaries and matching UK estimating guide let you inspect every quantity and rate.
What this example covers
This fictional job is set in Brighton and concerns one roof void ventilation change. Add selected roof-void ventilation components to an accessible loft after checking existing openings and insulation clearance. The estimate is a bounded document: the customer should be able to compare the described work with its measured lines, product allowances and exclusions. The matching UK guide explains how to prepare those inputs.
- Prepared by
- Cedar & Beam Builders · fictional business
- Prepared for
- Jordan Taylor · fictional customer
- Example location
- Brighton, UK
- Issued / valid through
- 25 September 2026 / 25 October 2026
Itemised loft ventilation retrofit example
These 7 lines reproduce the app-exported PDF exactly. The largest is Opening and fitting labour at £1,024.00; this is one fictional component, not a typical price. Read each quantity with its unit: area, length, time, count and lump sum describe different work and must not be interchanged.
| Work item | Quantity | Unit rate | Amount |
|---|---|---|---|
| Roof-void survey | 1 lump sum | £192.00 | £192.00 |
| Access and protection | 1 lump sum | £144.00 | £144.00 |
| Vent product allowance | 8 each | £76.00 | £608.00 |
| Baffle allowance | 12 each | £20.00 | £240.00 |
| Opening and fitting labour | 8 each | £128.00 | £1,024.00 |
| Insulation clearance work | 6 hours | £56.00 | £336.00 |
| Airflow and weather check | 1 lump sum | £168.00 | £168.00 |
| Illustrative total | £2,712.00 | ||
The table separates the named product or material allowances from labour and site tasks wherever the scope needs that distinction. Before replacing a rate, check whether the product allowance includes delivery, waste, fixings and the selected specification.
How the total is calculated
Vent product allowance is 8 each × £76.00 = £608.00. Baffle allowance is 12 each × £20.00 = £240.00. The other lines follow the same calculation and sum to £2,712.00. Each fixture line lands on an exact penny, so the native PDF total equals the sum of the displayed line amounts.
Measurement to check: Measure loft area, existing vent openings, eave access and proposed airflow path. Selection to check: Separate vent products, baffles and roof or soffit fitting labour. The 0% tax field and zero markup are example document inputs, not an instruction for a live quote. Decide the correct settings for your own business and job.
Assumptions and exclusions
Confirm design with a qualified contractor before cutting the building envelope.
Outside this stated scope: No roof replacement, insulation installation or moisture-source remediation.
Blocked eaves or moisture damage may require a different solution. A changed condition should lead to a newly measured quantity, explicit revised allowance or separately agreed task. Keep the customer informed of which figure changed and why before producing another PDF.
Download the app PDF
The document was exported from Estimates using the fictional business, client, dates, short PDF scope, notes and cost lines above. Its first page appears below. Download the complete PDF to inspect every entry and its presentation; no listed rate is a current Brighton market claim.
Make an estimate for your own job
- Write the actual work boundary and exclusions. Use this measurement basis: Measure loft area, existing vent openings, eave access and proposed airflow path.
- Confirm the selected products and access conditions. Record this selection decision: Separate vent products, baffles and roof or soffit fitting labour.
- Replace every fictional product, labour and subcontractor rate with your own evidence.
- Check line extensions, total, tax and markup settings, customer details and validity date.
- Preview every PDF page before sharing the estimate with the customer.
- Measure loft area, existing vent openings, eave access and proposed airflow path.
- Separate vent products, baffles and roof or soffit fitting labour.
- Confirm design with a qualified contractor before cutting the building envelope.
- Blocked eaves or moisture damage may require a different solution.
Read the matching estimating guide for the project-specific measurement and work sequence.
Questions about this job
Which quantity controls this loft ventilation retrofit estimate?
Measure loft area, existing vent openings, eave access and proposed airflow path.
When should this loft ventilation retrofit quote be revised?
Blocked eaves or moisture damage may require a different solution. No roof replacement, insulation installation or moisture-source remediation.
MAKE THE EXAMPLE YOUR OWN
Build a loft ventilation retrofit estimate
Use Estimates on iPhone or Android to enter your measured scope and line items. Review the result carefully and export a PDF for the actual job.
