Quantity Surveyor Dublin for Your Building Costs | Darby QS

Quantity Surveyors - Managing Building Costs

Darby & Associates Chartered Quantity Surveyors provides expert advice on building costs for residential extensions, refurbishments and new-builds. If you are a builder looking to ensure accuracy and profitability on construction projects, contact us today!


We specialise in the pricing of houses, extensions, renovations and refurbishments. Our experienced Quantity Surveyors can help you plan and budget on all aspects of building costs and contracts for your project.


As professional chartered surveyors specialising in construction tenders and the itemisation of all house build costs with a proven track record of success as one of Ireland’s leading QS firms. We’ve got you covered from start to finish on your upcoming domestic or commercial building project - Get a QS Quote Today

winning tenders, maximising profits

There are many qualities that an astute quantity surveyor can bring to your construction project, whether it’s a small extension project or a high-end property development, we can help you win contracts, save money and generate more business through tried-and-tested QS project management methodologies.

Contractor Quantity Surveyor Services

Darby & Associates Chartered Quantity Surveyors has won over €100 million euros worth of construction projects on behalf of building contractors (see below for detailed list). These successful projects include house extensions, refurbishments, conservation work, prestige new build residential projects as well as commercial and civil projects.

Darby & Associates can provide measurement and pricing services to contractors tendering for projects. We have a wealth of QS experience in the residential, commercial, health and civil engineering sectors of the construction industry. A full analysis of market conditions, risk factors, competitors and opportunities will be carried out prior to the tender submission.

Winning builders tenders consistently since 2013

We utilise the most up to date material and labour rates, combining these figures with appropriate waste and margin markups that will tally with current market rates. We use the latest on-screen measurement technology (Cubit Pro) combined with the tried and tested Buildsoft to ensure accuracy and reliability in compiling tenders. We are now using LiveCosts to track real-time material and labour costs on current projects. We provide a full pre-contract QS service to building contractors including measurement, pricing, tender negotiations, cost saving exercises and subcontractor tender analysis. 


What our builders say

Eoin, is a very experienced Q.S. who is at the cutting edge of the technology and software used for taking off quantities accurately and quickly therefore offering a keenly priced quality service to his clients
— Dermot Forkan - Forkan Construction
I can wholeheartedly recommend Eoin Darby from working with him on previous projects. He is professional, diligent and always contactable. He is both easy to work with and knowledgeable in his field. I look forward to working with him further in the future.
— Charles Curtis Construction Ltd
Clanforce Ltd has engaged the services of Darby & Associates over the past 12 months. We have successfully won numerous amounts of tenders having worked with Eoin and we are delighted with his knowledge of the ever changing trends with the construction industry. We find him very professional, reliable and his ability to return tenders on a tight deadline in detail which has been commended by architects which we have worked with. I have no hesitation in recommending Darby & Associates and we look forward to working with Eoin on future projects.
— Mark O'Sullivan, Clanforce Limited

Successful tenders on behalf of building contractors to date:

  • Large residential extension and alterations in Donabate, Co. Dublin

  • Two-storey residential extension and alterations in Raheny, Dublin 5

  • Two-storey residential extension, full refurbishment and alterations in Malahide, Co. Dublin

  • Single storey residential extension and refurbishment in Glenageary, Co. Dublin

  • Retail demolition, facade works and extension at The Omni Centre, Santry, Dublin 9

  • Several residential extensions and refurbishments in London, United Kingdom

  • Two-storey residential extension and full refurbishment in Sutton, Co. Dublin

  • Full renovation and air-tightness project in Blackrock, Co. Dublin

  • Rear extension to terraced house in Malahide, Co. Dublin

  • Full renovation, large extension and restoration works to Georgian house in Rathmines

  • Full renovation, three-storey extension works to period-style house in Monkstown

  • Extension and renovation in Malahide, Co. Dublin

  • Alterations and renovation in Trim, Co. Meath

  • Extension and renovation in Skerries, Co. Dublin

  • Extension and renovation in Clontarf, Dublin 3

  • Renovation of apartment in Dublin 3

  • Extension to front and rear including renovation in Portmarnock, Co. Dublin

  • Extension and renovation to a terraced house in Dublin 8

  • Single storey extension to rear in Portmarnock, Co. Dublin

  • Large demolition, alterations, refurbishment and residential new-build in Clonskeagh

  • Extension and renovation to a house in Blackrock, Co. Dublin

  • Alterations and full renovation to a third floor apartment in Monkstown

  • Alterations, renovations, single and two-storey extension to house in Ballsbridge

  • Attic conversion and full refurbishment of house in Smithfield, Dublin 7

  • Alterations and extension in Malahide, Co. Dublin

  • Extension and refurbishment of house in Skerries, Co. Dublin

  • Large contemporary new build in Malahide, Co. Dublin

  • Alterations and refurbishment of town house in Ballsbridge, Dublin 4

  • Extension and renovation of house in Glasnevin, Dublin 9

  • Full renovation and attic conversion of house in Donnybrook, Dublin 4

  • Extension to house in Dun Laoighre, Co. Dublin

  • New dormer bungalow build in Lusk, Co. Dublin

  • New timberframe dormer bungalow in Donabate, Co. Dublin

  • Single-storey house extension in Swords, Co. Dublin

  • Two-storey house extension in Raheny, Dublin 5

  • New build house in Rush, Co. Dublin

  • Extension, refurbishment in Knocklyon, Dublin 16

  • Extension, refurbishment in Castleknock, Dublin 15

  • Demolition of existing dweling and prestige new build in Blackrock, Co. Dublin

  • Refurbishment of period style house and large contemporary extension in Sutton, Co. Dublin

  • Full refurbushment and restoration of Georgian house in Ranelagh, Dublin 6

  • Single-storey extension and refurbishment in Phibsboro, Dublin 7

  • Single-storey extension in Baldoyle, Dublin 13

  • Single-storey extension and full refurbishment in Sutton, Co. Dublin

  • Single-storey extension and full refurbishment of pyrite damaged house in Malahide, Co. Dublin

  • Renovation of existing house and three-storey extension in Dublin 9

  • Single-storey extension and refurbishment in Beaumount, Dublin 9

  • Single-storey extension and minor refurbishment in Portmarnock, Co. Dublin

  • Full refurbishment and large extension to dwelling in Clonee, Co. Meath

  • Full restoration of existing house and three-storey extension in Dublin 3

  • Single-storey extension in Drumcondra, Dublin 3

  • Single-storey extension and refurbishment in Portmarnock, Co. Dublin

  • Demolition and re-build of dwelling in Malahide, Co. Dublin

  • New build hosue in Rush, Co. Dublin

  • New build house in Seabury, Swords, Co. Dublin

  • Multi-apartment block refurbishment in Dublin 1

  • Extension and refurbishment in Sutton, Co. Dublin

  • Extension and refurbishment in Raheny, Dublin 5

  • Alterations and refurbishment of house in Beaumount, Dublin 9

  • Demolition, alterations and extension of house in Sutton, Co. Dublin