![Darroll K Harrison](https://i.dhpuk.co.uk/timeline/darroll.jpg)
The Beginning
Darroll Harrison set up his chartered building surveying company, Darroll K Harrison & Associates, on the upstairs landing of his house with his wife Vera doing the books.
The company turned over £1,272 in the first year.
Key clients Canon and Royal Mail commission work from ‘Darroll K Harrison & Associates’.
![Typewriter](https://i.dhpuk.co.uk/timeline/typewriter.jpg)
1984
All drawings were done in pencil, with letters passed to the secretary to be typed on an electric typewriter.
The Diocese of London becomes a key client and remains a client today.
1985
New key client the Archdiocese of Westminster.
1986
We began working with the Government Property Services (PSA). This contract was a fundamental success to the growth of the practice.
![Darroll Harrison Partnership](https://i.dhpuk.co.uk/timeline/dhp.jpg)
1987
The partnership was formed.
1990
10 year anniversary.
Practice expands to deliver further consultancy services.
1993
Darroll Harrison retires leaving four Partners.
Women's ‘no trouser policy’ abolished.
![The RAC](https://i.dhpuk.co.uk/timeline/rac.jpg)
1997
New clients include British Airways, Thames Water, Procter & Gamble and the RAC.
![Our website in 1999](https://i.dhpuk.co.uk/timeline/website-1999.jpg)
1999
Our first website goes live.
Practice expands to offer the full interdisciplinary services we offer today.
2002
New long term client partnership developed with Diocese of Arundel and Brighton.
![Facilities Logo](https://i.dhpuk.co.uk/timeline/facilities-logo.jpg)
2003
Our facilities management service is launched.
![European Medicines Agency](https://i.dhpuk.co.uk/timeline/ema2.jpg)
2004
Our first OJEU government tender success is with the European Medicines Agency (EMA).
![25th Anniversary](https://i.dhpuk.co.uk/timeline/25th-anniversary.jpg)
2005
25 year anniversary celebrations.
2006
Office move to our current premises.
![St John Fisher Primary School, Harrow](https://i.dhpuk.co.uk/timeline/sjf.jpg)
2008
Our first new build schools open.
St John Fisher Primary School, Harrow £7.4m
Sacred Heart Catholic School, Ruislip £7.2m
2010
First long term framework agreements secured.
![New dhp branding](https://i.dhpuk.co.uk/timeline/dhp-new.jpg)
2014
Record value of new commissions.
dhp rebranding launch.
![35th Arriversary Party](https://i.dhpuk.co.uk/timeline/35th-anniversary.jpg)
2015
dhp 35 year anniversary party.
Finalist at the LABC Awards for the ‘Best Educational Building’ for the south wing redevelopment at Bucks New University.
![St. Richard Reynolds Catholic College](https://i.dhpuk.co.uk/timeline/srrcc.jpg)
2017
Our largest project completed to date. £27 million new build and refurbishment for the new St. Richard Reynolds Catholic College, Twickenham.
![The Winston Churchill School Discovery Space](https://i.dhpuk.co.uk/timeline/wcsds.jpg?t=2)
2018
Completion of The Winston Churchill School discovery space. A state of the art planetarium and library facility, the first of its kind in a UK state school and only one of two in a UK school.
Shortlisted for ‘Inspiring Learning Spaces’ for the Winston Churchill Discovery Space at the Education Estates Awards.