1999–2000 National League 1
|1999–2000 National League 1|
|Champions||Otley (2nd title)|
|Runners-up||Birmingham & Solihull (also promoted)|
The league consisted of fourteen teams, playing each other on a home and away basis to make a total of twenty-six matches for each team. There were two promotion places with the top two teams promoted to the newly named 2000–01 National Division One (previously known as the Allied Dunbar Premiership Two). Two teams were relegated to either National League 2 North or South, depending on geographical location.
Ten of the clubs participating in last seasons competition. To make up the numbers two of the teams (Birmingham & Solihull and Manchester) were promoted from National 2 North, and two from National 2 South (Camberley and Henley) were also promoted.
|1999–2000 Jewson National Division One Table|
|Played||Won||Drawn||Lost||Points for||Points against||Points diff||Points|
|2||Birmingham & Solihull||26||21||1||4||659||346||313||43|
|Green background are promotion places. Pink background are relegation places.|
National League 1 is sponsored by the building suppliers, Jewson.
- Cleary, Mick; Griffiths, John (1998). Rothmans Rugby Union Yearbook 1998–99 (27th ed.). London: Headline Book Publishing. pp. 84–98. ISBN 0 7472 7653 6.
- Cleary, Mike; Griffiths, John (1999). Rothmans Rugby Union Yearbook 1999–2000 (28th ed.). London: Headline Book Publishing. pp. 96–107. ISBN 0 7472 7531 9.
- "Leagues 1999/2000". Birmingham Moseley Rugby Club. Retrieved 10 January 2017.