Construction Terms Beginning with C

Timber & Carpentry

Carcassing Timber

What is carcassing timber? Plain-English guide to structural carcassing - standard sizes, C16 and C24 strength grades, uses in ...

Read definition Fire Safety

Cavity Barrier

What is a cavity barrier? Plain-English guide to fire-stopping in wall cavities and voids - where cavity barriers are required ...

Read definition Damp & Waterproofing

Cavity Drain Membrane

What is a cavity drain membrane? Plain-English definition of Type C waterproofing, how cavity drain systems work, sump and pump...

Read definition Masonry

Cavity Wall

What is a cavity wall? Plain-English definition of cavity wall construction, the purpose of the cavity, wall ties, insulation o...

Read definition Thermal & Energy

Cavity Wall Insulation

What is cavity wall insulation? Plain-English guide to full-fill and partial-fill cavity wall insulation types, retrofit option...

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Certificate of Lawfulness

What is a certificate of lawfulness? Plain-English guide to Lawful Development Certificates (LDC) - when you need one, the diff...

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Change of Use

What is a change of use? Plain-English guide to planning use classes, when a change of use requires planning permission, permit...

Read definition External Works

Channel Drain

What is a channel drain? Plain-English guide to linear drainage channels for driveways and patios - how they work, load classes...

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Close-Board Fencing

What is close-board fencing? Plain-English guide to feather-edge close-board panel fencing - posts, arris rails, pales, gravel ...

Read definition Structural

Collar Tie

What is a collar tie? Plain-English guide to collar ties in roof construction - how they prevent rafter spread, the difference ...

Read definition Plumbing & Heating

Combi Boiler

What is a combi boiler? Plain-English definition of combination boilers, how they work, how they compare to system and conventi...

Read definition Fire Safety

Compartmentation

What is fire compartmentation? Plain-English guide to fire compartments in buildings, separating floors and walls, how compartm...

Read definition Damp & Waterproofing

Condensation

What is condensation in buildings? Plain-English guide to surface condensation and interstitial condensation - causes, how to d...

Read definition Heritage & Conservation

Conservation Area

What is a conservation area? Plain-English guide to conservation area designation in the UK, what restrictions apply to works o...

Read definition Electrical

Consumer Unit

What is a consumer unit? Plain-English definition of consumer units (fuse boxes) in UK electrical installations, circuit breake...

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Coping Stone

What is a coping stone? Plain-English guide to wall copings in natural stone, concrete and brick - how they protect the top of ...

Read definition Finishes

Coving

What is coving? Plain-English guide to coving and cornice at the ceiling-wall junction - materials, profiles, how to fix coving...

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Curtilage

What does curtilage mean in planning? Plain-English definition of curtilage, how it affects permitted development rights and li...

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