Akademisk Boldklub (AB) Born in
Værløse in the
Capital Region of Denmark, Albrechtsen started his career at
Akademisk Boldklub (AB). Alongside later Danish international
Peter Løvenkrands, he was called up for the Danish under-19 national team in September 1997. In February 1998 they both signed their first professional contracts with AB, joining the senior squad which competed in the
Danish Superliga championship. In the 1998–99 season, he scored 1 league goal in 9 games for tAB, while the following season he scores one goal in 31 league games. Albrechtsen was a part of the AB team which won the 1999
Danish Cup, and he was named 2000
Danish under-21 Talent of the Year. He made his debut for the
Denmark national football team under national team manager
Morten Olsen in April 2001. As AB struggled financially, Albrechtsen was sold to defending Superliga champions
F.C. Copenhagen (FCK) in a
DKK 9 million
transfer deal in January 2002.
F.C. Copenhagen Albrechtsen signed a -year contract with Copenhagen, looking to replace former team captain
Jacob Laursen in the central defence. In total he played 14 league games for Løverne in the latter part of the 2001-02-season, while he made 27 league matches in 2002–03. He helped the club.win the 2003 and 2004 Danish Superliga championships, as well as the 2004 Danish Cup trophy. His performances for the club led to two additional national team matches, but after an unimpressive effort during the 0–2 loss to
Bosnia and Herzegovina in April 2003, his national team career went on a hiatus. He made his debut for the club on 3 March 2002 when they played 0–0 against AGF. Albrechtsen made his first European appearance for Copenhagen on 27 November 2003 when they drew 1–1 at Mallorca in a match in the UEFA Cup.
West Bromwich Albion In June 2004, he moved abroad to play for English club
West Bromwich Albion in the
FA Premier League. He was bought in a £2.7 million transfer deal, making him the most expensive player the club had ever bought at that point. In the process he became manager
Paul Jewell's eighth signing of the season. Albrechtsen made his debut for Derby in a 1–0 home defeat to
Doncaster Rovers on the opening day of the 2008–09 season, and in September scored his first goal for the club, against
Cardiff City Following his move, Albrechtsen was given a number 5 shirt. Albrechtsen made his debut in a FC Midtjylland shirt against
FC Nordsjælland on 12 September 2009 in a 2–0 loss. Albrechtsen scored his first goal for the club against
Aalborg BK in a 3–2 win on 2 May 2010. In his first season, Albrechtsen made 21 appearances and scoring 1. In his second season, Albrechtsen scored his first of the season against
Silkeborg IF in a 2–1 win on 27 November 2010 and scored his second of the season against
F.C. Copenhagen in a 5–2 loss on 19 May 2011. Albrechtsen made 20 appearances and scoring 2.
Brøndby IF He signed a one-year-long contract with Brøndby IF on 15 August 2012. On 2 April 2013 the contract was renewed for another two years.
AC Horsens On 23 December 2016 it was announced, that Albrechtsen had signed half-year contract with
AC Horsens, starting from the new year. Albrechtsen suffered from several injuries in the first four months at his new club. He played his first game for the club on 18 February 2017 against
Silkeborg IF. Albrechtsen had suffered from some problems in his groin since the start of the season. The problem became more and more comprehensive during the season, and he was actually out on the sideline from March to May 2017. He left the club at the end of the season.
BK Avarta After leaving
AC Horsens, Albrechtsen signed for
BK Avarta, where he also got reunited with his brother, Jacob, who already played there. Albrechtsen left the club again when his contract expired at the end of the year, due to the lack of playing time and for personal reasons.
Later career In January 2018, Albrechtsen joined
Denmark Series club
VB 1968. After a spell at FC Græsrødderne, Albrechtsen returned to VB 1968 in July 2021. On 31 January 2023 Albrechtsen confirmed, that he had left VB 1968. In April 2023, he moved to
Fremad Valby and in August, to FK Prespa. ==Honours==