Traditional Architect vs PlanBuildCo: Honest Comparison
We are biased — this is our website. But we will be honest about when a traditional architect is the better choice and when our fixed-price service makes more sense.
The details
Fee comparison
Traditional architect: 8–15% of build cost (£4,800–£9,000 on a £60,000 build). PlanBuildCo: fixed prices for specific deliverables (Design £250, Scan £650, Structural £350, Planning £2,200). For the typical homeowner who needs design + planning, PlanBuildCo costs £2,450 vs £4,800+ from an architect.
When we are the right choice
For straightforward extensions, loft conversions, open-plan renovations, and Certificate of Lawfulness applications. When you want fixed, transparent pricing. When you want fast turnaround (48 hours for design, 2 weeks for planning drawings).
When an architect is the right choice
For bespoke, design-led projects where the vision matters. Listed buildings requiring heritage sensitivity. Very complex sites (steep slopes, flood zones, awkward geometry). Projects where you want one person to manage design through to build completion. Grand Designs territory.
| Factor | PlanBuildCo | Traditional Architect |
|---|---|---|
| Design cost | £250 fixed | £1,500–£4,000 |
| Planning drawings | £2,200 fixed | Included (8–15% fee) |
| Structural calcs | £350 fixed | Coordinated (extra cost) |
| Building Regs drawings | £399 fixed | Included (8–15% fee) |
| Total (design to Building Regs) | £3,249 | £4,800–£9,000 |
| Design turnaround | 48 hours | 4–8 weeks |
| Site management | Not included | Often included |
| Design vision | Practical, functional | Bespoke, architectural |
Our verdict
For 80% of homeowners doing a standard extension or renovation, our fixed-price service delivers the same technical drawings for roughly half the cost. For the 20% doing something architecturally ambitious, a traditional architect earns their higher fee.
Common questions
Frequently asked questions
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