Construction Terms Beginning with P

Structural

Padstone

What is a padstone? Plain-English definition of padstones in construction, why they are needed under RSJs and lintels, how they...

Read definition Roofing

Parapet

What is a parapet? Plain-English guide to parapet walls on flat roofs and terraces, parapet copings, drainage, common problems,...

Read definition Damp & Waterproofing

Penetrating Damp

What is penetrating damp? Plain-English explanation of how it differs from rising damp, common causes including failed pointing...

Read definition External Works

Permeable Paving

What is permeable paving? Plain-English guide to permeable block paving, porous concrete, and grass paving systems - how they m...

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Permitted Development

What is permitted development? Plain-English explanation of permitted development rights in England, what you can build without...

Read definition Foundations

Pile Foundation

What is a pile foundation? Plain-English guide to piled foundations, types of pile (bored, driven, screw), when piling is used,...

Read definition Thermal & Energy

PIR Insulation

What is PIR insulation? Plain-English guide to polyisocyanurate rigid foam boards, lambda values, typical applications in roofs...

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Planning Appeal

What is a planning appeal? Plain-English guide to appealing a planning refusal to the Planning Inspectorate - appeal types, tim...

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Planning Condition

What is a planning condition? Plain-English guide to conditions attached to planning permissions - pre-commencement conditions,...

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Planning Permission

What is planning permission? Plain-English guide to householder planning permission in the UK, when you need it, how to apply, ...

Read definition Finishes

Plasterboard

What is plasterboard? Plain-English guide to gypsum plasterboard types, standard sizes, fixing methods, fire-rated and moisture...

Read definition Masonry

Pointing

What is pointing in construction? Plain-English definition of mortar pointing, repointing, different pointing profiles, and whe...

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Pre-Application Advice

What is pre-application advice? Plain-English guide to pre-app consultations with the local planning authority - what you find ...

Read definition Plumbing & Heating

Pressure Relief Valve

What is a pressure relief valve? Plain-English guide to PRVs in heating and hot water systems - how they work, the difference f...

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Prior Approval

What is prior approval in planning? Plain-English explanation of prior approval for larger home extensions, when it is needed, ...

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Purlin

What is a purlin? Plain-English guide to purlins in traditional cut roofs, how purlins reduce rafter span, purlin sizing, strut...

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