Barker ditunjuk oleh Pemerintah pada bulan April 2003 untuk melakukan [[Barker Review|Review of UK Housing Supply]] independen; menghasilkan laporan akhir pada bulan Maret 2004. Tanggapan penuh Pemerintah terhadap tinjauan ini diterbitkan pada bulan Desember 2005. Pada bulan Oktober 2005, ia ditunjuk sebagai anggota dewan [[Perusahaan Perumahan]], dan dari tahun 2008 hingga 2011 di salah satu dewan direksi badan penggantinya, Badan Perumahan dan Komunitas.
InPada Decemberbulan Desember 2005, shedia wasdiminta askeduntuk tomelakukan conductTinjauan anindependen independentterhadap ReviewPerencanaan ofPenggunaan LandLahan, Usedan Planning, anddia shemelaporkannya reportedpada ontanggal 5 DecemberDesember 2006. FromDari tahun 2010 tohingga MayMei 2015, shedia wasmenjadi chairketua ofKelompok thePenasihat NorthernEkonomi IrelandIrlandia EconomicUtara. AdvisoryDia Group.ditunjuk Shesebagai wassalah appointedsatu asdari onedua of twoanggota non-executive members of the UK government'seksekutif [[OfficeKantor forTanggung BudgetJawab ResponsibilityAnggaran]] frompemerintah Inggris dari JuneJuni 2011 tohingga JuneJuni 2017.<ref name="boebio" />
Barker was appointeddiangkat [[CommanderBintang ofKekaisaran theBritania Order of the British EmpireRaya]] (CBE) foruntuk serviceslayanan toperumahan socialsosial housing in thedi [[2006 Birthday Honours]] anddan promoteddipromosikan tomenjadi [[Dame Commander of the Order of the British Empire]] (DBE ) in thedalam [[2014Penghargaan BirthdayUlang HonoursTahun 2014]] foruntuk serviceslayanan to theterhadap economyperekonomian.<ref>UK list: {{London Gazette |date=17 June 2006 |issue=58014 |pages=7 |supp=1}}</ref><ref>{{London Gazette |issue=60895 |date=14 June 2014 |page=b8 |supp=y}}</ref> She is an Academician of the [[Academy of Social Sciences]].
Her bookBukunya, ''Housing: Where's the Plan'' wasditerbitkan publishedpada intanggal September 2014 byoleh London Publishing Partnership,<ref>{{Cite web|url=http://lpp.toby1kenobi.com/|title=Welcome|website=The London Publishing Partnership}}</ref> in their ''Perspectives'' series.
InPada tahun 2014 she chaired a commission onia thememimpin Futurekomisi ofMasa HealthDepan andKesehatan Socialdan CarePelayanan inSosial Englanddi forInggris theuntuk [[King's Fund]], whichyang deliveredmenyampaikan itslaporan finalakhirnya reportpada inbulan September.<ref>{{cite web|url=http://www.kingsfund.org.uk/audio-video/chair-commission-kate-barker|title=Chair of the commission: Kate Barker|website=The King's Fund}}</ref> She also led a quality review of the National Accounts for the [[Office for National Statistics]] during 2014.<ref>{{cite web|url=http://www.ons.gov.uk/ons/media-centre/statements/announcement-of-the-nsqr-on-the-national-accounts/index.html|title=Announcement of the NSQR on the National Accounts|last=ONS|website=www.ons.gov.uk}}</ref>▼
▲In 2014 she chaired a commission on the Future of Health and Social Care in England for the [[King's Fund]], which delivered its final report in September.<ref>{{cite web|url=http://www.kingsfund.org.uk/audio-video/chair-commission-kate-barker|title=Chair of the commission: Kate Barker|website=The King's Fund}}</ref> She also led a quality review of the National Accounts for the [[Office for National Statistics]] during 2014.<ref>{{cite web|url=http://www.ons.gov.uk/ons/media-centre/statements/announcement-of-the-nsqr-on-the-national-accounts/index.html|title=Announcement of the NSQR on the National Accounts|last=ONS|website=www.ons.gov.uk}}</ref>