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Taking off quantities - Below ground drainage
The short video presentation below outlines some of the issues involved with taking off quantities for below ground drainage.

Duncan Cartlidge
1 day ago1 min read


Return of the swifts
Every year families of swifts make their long and perilous journey from Africa to nest in the eaves of my house as they have done for over 100 years.

Duncan Cartlidge
4 days ago1 min read


Taking off quantities:BQ documentation
For a number of reasons, it may not be possible to measure and describe every item of work and/or materials. Non-quantifiable items can be accommodated in a number of ways.

Duncan Cartlidge
Apr 271 min read


Taking off quantities - Bored in-situ concrete piles
Both NRM2 and CESMM4 have similar rules of measurement for taking off quantities for bored in-situ concrete piles.

Duncan Cartlidge
Apr 81 min read


Construction skills: plus ça change plus c'est la même chose!
Last month the CITB (The Construction Industry Training Board) the CIOB and ONS published their overview of the UK construction industry in 2026 and it didn’t make for very encouraging reading. The CITB is of course at the sharp end as far as skills and training is concerned. The reports didn’t pull punches describing construction as a sector that has remained largely unchanged for decades and telling a story of an industry at a crossroads.

Duncan Cartlidge
Mar 102 min read


Conflict in construction
About 20 years ago I wrote a book called Procurement of Built Assets which involved interviewing a variety of people and organisations advocating greater collaboration in the procurement of buildings. This was only a few years after the publication of the Latham Report which urged construction to adopt a more collaborative approach to construction procurement.

Duncan Cartlidge
Feb 274 min read


Estimating - Decoration work
This is an overview of estimating decoration work.

Duncan Cartlidge
Feb 191 min read


Measuring embodied carbon
This is an overview of taking off quantities for embodied carbon

Duncan Cartlidge
Feb 91 min read


Taking off quantities - External works
This is an overview of taking off quantities for external works

Duncan Cartlidge
Jan 291 min read


Taking off quantities - Second Fix
This is an overview of taking off quantities for second fix.

Duncan Cartlidge
Jan 201 min read


Taking off quantities - Timber flat roofs / floors
This is an overview of taking off quantities for flat roofs /floors.

Duncan Cartlidge
Jan 151 min read


Taking off quantities - Pitched roofs
This is an overview of taking off quantities for pitched roofs.

Duncan Cartlidge
Jan 121 min read


Changes to RICS APC Rules
Starting on 1st January 2026 the number of times that candidates have to attempt the RICS APC will be capped at four to encourage candidates to be better prepared.

Duncan Cartlidge
Dec 16, 20252 min read


Payment naivety ?
A long running dispute revolving around late payment when using the JCT(16) Design and Build Standard Form of contract has now finally been settled by the Supreme Court.

Duncan Cartlidge
Dec 14, 20252 min read


Taking off quantities - Cut & Fill
This is an overview of taking off quantities for cut & fill.

Duncan Cartlidge
Nov 27, 20251 min read


Ethel the Aardvark goes quantity surveying revisited
In 2000 Building published an article ‘ 'Will we soon be drying a tear over a grave marked RIP Quantity Surveying, 1792 – 2000?’. I have always defended my profession, but recently I’ve begun to have second thoughts, perhaps the end is nigh?

Duncan Cartlidge
Nov 25, 20252 min read


Taking off quantities - Structural metalwork
This is a short video dealing with taking off quantities for structural metalwork.

Duncan Cartlidge
Nov 25, 20251 min read


Taking off quantities - Composite concrete construction
This is an overview of taking off quantities for composite concrete construction

Duncan Cartlidge
Nov 17, 20251 min read


Taking off quantities - Narrow widths
This is a short video dealing with taking off quantities for narrow widths in finishings and decoration.

Duncan Cartlidge
Nov 13, 20251 min read


Taking off quantities - Hot & Cold Water Installations
This is an overview of the measurement of hot and cold water installations.

Duncan Cartlidge
Oct 6, 20251 min read
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