

Reasonable Building Service Fees For Glasgow And Surroundings
At House Extension & Conversions Architectural Service in Glasgow, we believe in clear, upfront pricing. Our building fees are outlined with full transparency—no hidden extras. We help you plan effectively while staying within budget from start to finish.
Reach out now to explore your options.
Over 20 Years’ Experience
Vastly Lower Costs Than Independent Architects
All Types of Extensions And Conversions
Single-Storey Extensions – From £1,990
Our fixed-price package includes a full design survey, architectural survey, and detailed drawings required for planning permission and building warrant applications. You’ll also receive a comprehensive project build cost analysis, with all liaison and submissions handled directly with the local authority. This all-in-one service provides everything you need to prepare your single-storey extension for approval and construction—professionally and efficiently.

2-Storey Extensions – From £2,750
Our 2-storey extension package includes a complete design and architectural survey, along with detailed drawings for planning permission and building warrant. We provide a project build cost analysis and handle all liaison with the local authority, ensuring a smooth approval process. For £2,750, this all-in-one service covers everything needed for your extension project.


Loft Conversions (Including Possible Dormer) – From £1,990
We offer a full service for loft conversions, including design and architectural surveys, detailed drawings for planning permission and building warrants, and a project build cost analysis. We also manage all liaising with the local authority. For just £1,990, we take care of every step to make your loft conversion project a reality.
Garage Conversions – From £1,900
Our garage conversion package includes a design and architectural survey, along with drawings for planning permission and a building warrant. We provide a build cost analysis and manage all communications with the local authority. For £1,900, you’ll receive everything needed for a successful and compliant garage conversion.
Internal Alterations, Kitchen Conversions, Extensions & Remodelling
Our comprehensive service covers everything you need for internal alterations, kitchen conversions, extensions, or remodelling. We start with a complete design and architectural survey, ensuring your plans meet all necessary requirements. From there, we prepare precise architectural drawings for planning permission and building warrant applications. In addition, we provide a detailed project build cost analysis and handle all the necessary liaisons with the local authority to ensure smooth approval. We believe our costs to be around half the private architects' costs.
Plan Smarter With Clear Cost Insights
Understand Every Cost With Transparent Building Service Fees That Help You Plan Effectively. Call Now To Request A Detailed Fee Estimate.
