Derek Lofty & Associates
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Derek Lofty & Associates
Derek LOFTY & Associates (DLA) is an established family firm of civil and structural engineers providing innovative engineering solutions to a variety of structural problems. Working with all principle building materials, our track record has earned us an excellent reputation amongst both our domestic and commercial clients and partners.

All of our work is on recommendation. Derek LOFTY & Associates is proud to offer you over 30 years of technical ability, experienced project management and sincere commitment to your complete satisfaction. Based near Watford with easy access to the M25, we work on projects throughout London, the South East and across the UK.
Services
A family run business of civil and structural engineers established in 1983 that offer a personal and dedicated service to each Client. We aim to understand and deliver on Client expectations, meet the project objectives to provide robust engineering solutions with quality and value, within budget and on time.
DLA are primarily a structural engineering office, offering comprehensive design services, we regularly work closely with other construction industry professionals and can therefore arrange a host of building, engineering and engineering services on your behalf. We are able to assist at an individual level or as part of a team, providing you with a full range of options, from conceptual design to full project management.
Reviews (6)
Tom Gaskell
Tom Gaskell
Feb 27, 2021
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Used for a loft conversion which fell into pre approved planning with the council. All initial drawings contained measurement errors, planning notification had missing information then had to be submitted twice. The load calculations on the loft floor were also messed up costing the builder an order of bespoke unrefundable beams and us 25cm of headroom requiring us to change direction on design. A clumsy effort really on something small and easy for a company like this
Elizabeth Humphreys
Elizabeth Humphreys
Dec 25, 2019
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We have both rear extension and loft completed by the company on separate occasions and both times had very good service. Structural plans were excellent. Highly recommended.
Michaela Beecher
Michaela Beecher
Aug 14, 2019
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Avoid. Company charged us for work without properly consulting us re the price. Bully tactics then followed making us pay. What company can undertake work without a written contract or consent then charge and threaten court when the bill is disputed? They gave us a price and said everything was included then doubled the price after work was completed. Unfortunately the bully tactics worked so I’m sure it’s something they regularly do. Awful experience, zero customer service. A reply will be forthcoming no doubt but it will just add to their ‘company bullying the consumer’ reputation. If
Will Westwick
Will Westwick
Jul 10, 2019
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Great company! We used this firm for structural engineering, design support and drawings for an almost entire domestic rebuild. We found every part of the engagement professional. Generally going above and beyond to help wherever they could! -costs were competitive also. Would absolutely recommend!
Daniel Perry
Daniel Perry
Jul 01, 2019
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Derek Lofty Associates have carried out numerous projects for us now and given a fantastic service, delivering our reports on time and to a high level of detail.
James Shillito
James Shillito
May 19, 2019
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I used Derek Lofty & Associates recently to provide structural designs and load bearing calculations for a kitchen redesign. I needed a quick turn around and they provided exactly what I required, at the agreed price, well within the time constraints I was facing. The calculations included in their report provided me with total confidence that we were ok to knock down the walls we needed to. Very impressed with the service. They are now creating designs for my new front porch.