Guidance produced by the Dorset Building Control Technical Committee.
- Dorset model for thatched buildings
The Dorset Model has been revised for 2009 after ten years as the main guidance for extensions and new buildings with thatched roofs that are within 12m of a boundary.
- Section 123 Repairs to fire damaged property
Can Building Regulation applications be requested for repairs to fire damaged property, under Section 123 Building Act 1984?
- Fire Consultation Guidance
Guidance outlining building type, relevant enactment/statutory instrument and enforcing authorities where fire consultation is required.
- Fire resistance to loft spaces
Fire resistance to loft spaces in rooms in the roof.
- Installation of downlighters to dwelling houses
Recommendations for the installation of standard 240V, low voltage downlighters and recessed light fittings.
- Electrical Safety and Micro-generation in Dwellings
Compliance with Part P - prepared by West Dorset District Council
- Fire resistance of protected hallways in flats
The Technical Committee's consideration of the logic behind the requirement for 30 minutes fire resistance to hallway ceilings in flats.
- Use of premises for Day Care of Children
Does the use of a premises for the Day Care of Children constitute a change of use under the Building Regulations?
- Interpretation of 'non-combustible material'
The Dorset-wide approach to the definition of a small, detached building 'constructed of substantially non-combustible material'.
- Greenhouses and agricultural buildings
Rules for exemption from the Building Regulations for greenhouses and agricultural buildings
- Small detached buildings
Rules for exemption from the Building Regulations for small detached buildings
- Small extensions to dwellings
Class 7 schedule 2 Rules for exemption.
- Exempt structures 'adversely affecting' an existing building
Recommendations for when an existing building is extended with a structure that is classed as exempt from Building Regulations to ensure the new structure does not adversely affect the existing building.
- External rendering on timber stud walls
Compliance with Approved Document C when using a rendering system on external timber stud walls
- Approved Document E - Flanking sound
Approved Document E indicates that walls adjoining a separating floor should have a mass of at least 120 kg/m² (including finish) unless the wall is external and has openings of at least 20% of its area in each room. The 2010 Policy Statement Update confirms the requirement for sound testing or the use of Robust Details between dwellings and flats to show this has been achieved.
- Use of breathable roof sarking membranes within non-ventilated cold-pitched roof constructions
When considering the use of a breathable roof sarking membrane within a non-ventilated, cold-pitched roof construction, reference should be sought from a number of sources.
- Replacement doors, windows and roof lights
Following a change in the Building Regulations, from 01 April 2002, a Building Regulation application will be required for replacement windows, doors and roof-lights.
- Handrails to staircases
Dorset-wide policy on when handrails should be provided to a staircase based on guidance in Approved Documents K and M.
- Installation of stairlifts in existing staircases
Does the installation of a stairlift in an existing stairwell require Building Regulation Approval?
- Approved Document F Means of ventilation (2010 edition) Domestic Buildings
A guide aimed at clarifying the contents of Approved Document F
- Decking/raised patios and associated balustrading
Guidance for compliance with the Building Regulations when installing decking or raised patios
- Drain replacements
Repairs, replacements and new drainpipes, manholes or associated fittings
- Foul drainage systems
Information sheet on the laying of foul drains.
- Surface Water Drainage
Approved Document H
- Approved Document L1A Conservation of fuel and power in new dwellings (2010 edition)
A Guide to Compliance when Designing New Dwellings
- Approved Document L1B Conservation of fuel and power change of use in existing Buildings (2010 edition)
A Guide to Compliance when Designing a Change of Use to a Dwelling and Related Building Work
- Approved Document L1B Conservation of fuel and power for Domestic Extensions (2010 edition)
A Guide to Compliance when Designing Domestic Extensions and Related Building Work
- Approved Document L2A Conservation of fuel and power in new buildings other than dwellings (2010 edition)
A Guide to Compliance when Designing New Buildings other than Dwellings
- Approved Document L2B Conservation of fuel and power in existing buildings other than dwellings (2010 edition)
A Guide to Compliance when Designing for Existing Buildings Other Than Dwellings
- Guide of Insulation material to demonstrate compliance with Approved Document L1B (2006 edition)
- Repair of flat roofs
When the repair of a flat roof does not require a Building Regulations application.
- U-values of Elements
A guide to the specification of insulation materials in order to achieve compliance with Approved Document L1B 2010 for small domestic works
Building Control Surveyor
Name: Mr Sai Mak
Tel: 01202 795369
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District Building Control Officer
Name: Mr Bob Maylin
Tel: 01258 484264
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District Building Control Officer
Name: Mr Martin Thompson
Tel: 01202 795306
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Senior Building Control Officer
Name: Mr Rob Blake
Tel: 01929 557225
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Senior Building Control Surveyor
Name: Mr Lee Trevett
Tel: 01305 252415
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