Polstar Building Design

Our fees range from;

Porch £150.00

Conservatory £150.00

Garage Conversion £200.00

Single Room Single Storey £250.00

Multi-Room Single Storey £300.00

Two Storey £450.00

Loft Conversion £450.00 (+Structural Engineer Fees)

New Build Dwelling £??? (this one really does depend on the size and complexity!)

These are GUIDELINE only and we strongly recommend you contact POLSTAR BUILDING DESIGN for an individually tailored quote. Combinations of the above do not mean addition of all fees, we discount each element when a project has more than one aspect.

POLSTAR BUILDING DESIGN works closely with a fully qualified and registered structural engineer to ensure preferential rates.


Local Authority fees currently stand at;


PLANNING PERMISSION for householder application £206.00

PLANNING PERMISSION for new dwelling £462.00


BUILDING REGULATIONS fees are divided into 2 and vary between Local Authorities. They are approximately;

Plan Checking Fee £150.00 Payable on submission of application.

Inspection Fee £400 (depending on size and type of project) Payable once works commence.


POLSTAR BUILDING DESIGN can advise you on these costs as we discuss your project.


Head Office:- 2 The Crescent, Dunston. Gateshead. NE11 9SJ.  Tel: 0191  4066 570

Northallerton:- 9 Romanby Road, Northallerton. DL7 8NE. Tel: 01609 716 116

Mobile: 07980 650 840  Email: info@polstarbuildingdesign.co.uk