One fixed price for the whole job — not the hours

Porch Build Fair Price

Typical trade: builder. Move the sliders and answer the questions.

Describe the job or snap a photo — AI fills in the sizes

Construction
Light & socket?

Fair fixed price for the whole job

£8,180

Fair range: £7,198 – £9,652

2.5 m² brick porch

Realistic time on site

7.6 days

Crew / total hours

2 · 114.0 h

Labour (114.0 h × £40)
£4,560
Materials
£3,360
Skip
£260

Over £12,066? Ask why in writing.

  • Not tying into the existing wall properly
  • No lead flashing at the roof junction

Insist on

  • One written fixed price for the full scope — no open-ended hours.
  • Deposit of 10–20% at most; balance after you inspect the work.
  • Any extra work agreed and priced in writing before it starts.
  • Under 3 m² is usually permitted development; a brick porch is about 1–2 weeks.

Estimate for an experienced, insured tradesperson. Local prices vary — adjust the hourly rate for your area.

Calcurly.com area calculator showing dimensions, result, and cost breakdown

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About this calculator

Building a small front porch with base, brick or timber walls, roof and door. Answer a few questions, move the sliders, and get a brutally realistic time on site plus one fixed price for the whole job — so you can insist on a total rather than open-ended hours. Tradespeople can use it to quote fairly.

Frequently asked questions

How long should this job really take?
The calculator shows realistic on-site hours for an experienced, insured tradesperson working at a normal pace. Quotes far above the upper range deserve a written explanation.
Should I pay by the hour or a fixed price?
Agree a fixed written price for a clearly defined scope. Pay a small deposit (10–20% at most), staged payments on larger jobs, and the balance only after you have inspected the finished work.
What does the Porch Build Fair Price do?
Building a small front porch with base, brick or timber walls, roof and door. Building a small front porch with base, brick or timber walls, roof and door. Answer a few questions, move the sliders, and get a brutally realistic time on site plus one fixed price for the whole job — so you can insist on a total rather than open-ended hours. Tradespeople can use it to quote fairly.
Is the Porch Build Fair Price free to use?
Yes. Every calculator on Calcurly.com is free, works in your browser without sign-up, and can be embedded on your own website.
How accurate is the Porch Build Fair Price?
Results are calculated in real time using industry-standard formulas. Treat the output as a well-informed estimate — always cross-check with local regulations, product datasheets, or a qualified fair price home jobs professional before committing to a purchase or a job.
Can I embed the Porch Build Fair Price on my own website?
Yes — copy the iframe snippet at the bottom of this page, or use the Embed Generator to customise the size. The embedded version stays in sync with the live calculator on Calcurly.com.

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