CCTV Inspection & Recording

Recent works checking that sub surface ducts are clear for new cabling undertaken in the central belt. Our camera system allows 60M of colour video inspection and longer,  if required.  Any issues found may be traced with EML detection methods and recorded on the ground surface and or digitally by GPS and Total Station methods.


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London’s – Underground Services

Tracing, verifying and mapping sub surface utilities at various locations in the Capital for our clients, working with EML, GPR push and GPR tow systems to capture a dense area of utilities rapidly and effectively in the field, ahead of post-processing EML/GPR data to create a comprehensive sub surface drawing record.

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Gap Sites

Gap site surveys undertaken! replace old with new and have your gap site surveyed for whatever may be taking place of the original structure.

Surrounding walls, surfaces, remaining structural items for re-use and of course sub surface utilties may all be captured to assist in planning of your site re-development.

Get in touch to enquiry – Gap site survey about our Topographic Surveys and utility detection and clearance surveys.


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Back to Work!

Mason Surveys are pleased to re-open, in phases for business starting June 1st. Subject to social distancing and responsible practices, office hours may stay reduced, set locally.

For all sales enquiries please contact Dunfermline in the first instance, Dunfermline’s OS Map and Copyshop operations re-start 1st June and Surveying field operations continue subject to site conditions and location. Dunfermline’s office will operate 10am to 3pm intially with less staff.

Its been a long 10 weeks and we are glad to be making a return, some are still working remotely and we will continue social distancing and revise our operations as necessary to remain safe.

Dunfermline: 01383 623112,

Heathrow: 0208 757 5905,

Drop us a line if you require any OS maps, land surveys, floor plans and to find your buried utilities!

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Operating Update – 24.03.20

Due to the recent announcement we are closed at both locations.

You may still contact us and we will do our utmost to attend to your enquiry, however please note that restrictions in place will hinder access to systems and affect response times.

Contact email addresses during this period; – all enquiries & accounting matters

We aim to re-open as soon as permitted and look forward to working with you once again!



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Operating update

During this unprecedented time, we plan to continue offering our services and operate our offices going forward, with contingencies in place to limit staff and customer exposure.

Staff are working remotely and office staff are working alternating days and possibly limited hours, field staff are generally outdoors and not in close proximity to others (site dependant, local restrictions apply and subject to change), therefore please do not hesitate to contact us with your enquiry, we may take a little longer to reply but we will reply!

Telephone and email communication will be continuous throughout.

Stay safe!

The Mason Team.

Dunfermline: 01383 623112 – all enquiries – all Ordnance Survey & Reprogrpahics enquiries

Heathrow: 0208 757 5905 – all Southern & Infrastructure enquiries

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IT / QA Manager

Thomas Buchanan, has joined our team as Senior IT & QA Manager.

Thomas has 30 years experience of implementing and maintaining IT standards, procedures and policies, he joins us to support our accreditation aspirations and continuing improve or IT needs in a fast changing digital world.

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RAF Museum

Pleased to be working in support of the RAF’s Museum at Hendon, London.

Surveying their grounds at this very busy and important place of British and Aviation history .

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Service Clearance in MTB Country

Utility Service Clearance and recording of traced assets, ahead of civil engineering works in mountain bike country (aka the Scottish Borders) recently.

CAT & Genny detection, mark up and surveying of traced assets for a developing site in the ever popular and picturesque biking area of Scotland.

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Agricultural aspects

Surveying an agricultural site for a local business with fantastic views across to the Firth of Forth and onto the Lothians.

A small site survey for the client giving them detailed information of their land in a rural setting. Note the sun shade on the telescope to accomodate the low winter sun.

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