Architect Costs in Hounslow
London | Modelled planning ranges | Base prices dated May 2026 | Includes labour and materials
Cost Calculator
Estimated cost in Hounslow
£1,572 - £4,585
Planning Application Drawings (two-storey extension)
Typical duration: 2-6 weeks
Architect Prices in Hounslow
Planning Application Drawings
£1,572 - £4,585Labour
£1,310 - £3,930
Materials
£262 - £655
Typical duration: 2-6 weeks
Building Regulations Drawings
£1,179 - £3,668Labour
£1,048 - £3,275
Materials
£131 - £393
Typical duration: 2-4 weeks
Full Architectural Service
£4,323 - £16,768Labour
£3,930 - £15,720
Materials
£393 - £1,048
Typical duration: 3-12 months
How Hounslow Compares
More expensive
Our model for Hounslow is 31% above the base estimate. This is a location assumption, not a measured local quote average.
Illustrative Seasonality for Architect Work
Our seasonal model peaks in Apr and is lowest in Jan. This is not live demand data or a forecast of prices or availability.
What Affects the Price
Planning Application Drawings
- Project complexity
- Whether a site survey is needed
- Local authority requirements
- Number of design iterations
- Conservation area or listed building constraints
Building Regulations Drawings
- Project scope and structural complexity
- Coordination with structural engineer
- Number of construction detail drawings
- SAP calculations or energy requirements
Full Architectural Service
- Total project value (often charged as 5-12%)
- Stages included (RIBA 0-7)
- Site visits and contract administration
- Specialist consultant coordination
- Planning complexity
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Frequently Asked Questions
How much does an architect cost in Hounslow?
Architect prices in Hounslow typically range from £1,179 for building regulations drawings to £16,768 for full architectural service. Prices include both labour and materials.
What is the average cost of planning application drawings in Hounslow?
Planning Application Drawings in Hounslow costs between £1,572 and £4,585 on average, depending on the scope of work and materials chosen.
When is the cheapest time to hire an architect in Hounslow?
Demand for architect work in Hounslow is typically lowest in January. Booking during quieter months may mean better availability and competitive pricing.
Are architect prices in Hounslow above or below the national average?
Architect prices in Hounslow are around 31% above the national average, reflecting higher local labour rates and cost of living.
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