A Critical Analysis of Judicial Review’s Impact on Parliamentary Sovereignty

Luke Broadway
Youth Law
Published in
7 min readMar 5, 2020

This article was edited and published by exeterlaw.org (republished with permission).

Ju­di­cial re­view sup­ports the sov­er­eignty of Par­lia­ment to a de­gree, how­ever it re­mains a threat where ap­pro­pri­ate (i). This threat is not un­just, as it es­tab­lishes an el­e­ment of bi-po­lar sov­er­eignty be­tween the two pow­ers (ii).[1] This al­lows for a cal­cu­lated ap­pli­ca­tion of both par­lia­men­tary sov­er­eignty and the rule of law, cre­at­ing a fair state for the cit­i­zens of the United King­dom (iii).

Through­out ju­di­cial re­view pro­ceed­ings, the ju­di­ciary has main­tained a rel­a­tively con­sis­tent de­gree of re­spect for the con­cept of par­lia­men­tary sov­er­eignty. This can be seen from cases such as Pad­field,[2] where the ac­tions of the ex­ec­u­tive are cur­tailed in or­der to main­tain the sov­er­eignty of Par­lia­ment and its laws. The Diceyan con­cept of par­lia­men­tary sov­er­eignty re­mains a key cor­ner­stone of the con­sti­tu­tion, and is vi­tal, as Dicey him­self said, for the main­te­nance of the free­dom and lib­er­ties of the cit­i­zens of the coun­try.[3]

An­other case in­dica­tive of the courts’ gen­eral ap­pre­ci­a­tion of par­lia­men­tary sov­er­eignty in ju­di­cial re­view is the re­cent Supreme Court case of Miller.[4] The ram­i­fi­ca­tions of this case for the United King­dom and its re­la­tion­ship with the Eu­ro­pean Union have been im­mense. Start­ing with a blog post from Pro­fes­sors Bar­ber, Hick­man and King,[5] the ques­tion of whether the Sec­re­tary of State for Ex­it­ing the Eu­ro­pean Union could use their min­is­te­r­ial pre­rog­a­tive to ini­ti­ate ar­ti­cle 50 found it­self in the high­est ap­pel­late Court in 2016. It was held, with a ma­jor­ity of 3:2, that the min­is­ter’s pre­rog­a­tive was not suf­fi­ciently strong to al­low for the ar­ti­cle to be trig­gered, and as such an act of Par­lia­ment had to be passed. As El­liot writes, this may well be an in­di­ca­tion an in­creas­ing level of re­spect to­wards par­lia­men­tary sov­er­eignty oc­cur­ring through the ju­di­ciary –[6] this is par­tic­u­larly ap­par­ent through the al­most lack­adaisi­cal ap­proach the Court took to as­sess­ing the breadth of the statute and whether the pre­rog­a­tive could be used. The judge­ment pro­vided no solid rules to be used as prece­dent, an in­di­ca­tion per­haps of the Courts’ al­most laboured at­tempts to pro­tect par­lia­men­tary sov­er­eignty.

That said, there have been mo­ments where it is ap­pro­pri­ate for the courts to take on a more dom­i­nant ap­proach to­wards the con­cept of Par­lia­men­tary Sov­er­eignty. For ex­am­ple, in the ju­di­cial re­view case of Jack­son,[7] it was clear that their Lord­ships, in par­tic­u­lar Lord Steyn, were aware that par­lia­men­tary sov­er­eignty is a com­mon law cre­ation — and if Par­lia­ment were to leg­is­late and re­move it, the courts would have to in­ter­vene.[8] The facts of Jack­son are not as im­por­tant for this analy­sis, but what this case shows is that there is still a strong el­e­ment of le­gal con­sti­tu­tion­al­ism in­her­ent in the opin­ions of the ju­di­ciary, which may pose a threat to the sov­er­eignty of Par­lia­ment.

Jow­ell has noted that the con­cept of par­lia­men­tary sov­er­eignty is ‘out­dat­ed’[9]. I can­not say I agree, par­lia­men­tary sov­er­eignty is a vi­tal com­po­nent for the fair main­te­nance of the con­sti­tu­tion, and it is clear (as we have al­ready es­tab­lished), that its key prin­ci­ples are ju­di­cially up­held where pos­si­ble. That said, there are, as in Jack­son,[10] times when the court must, through ju­di­cial re­view, re­tain their own de­gree of sov­er­eignty. With­out ju­di­cial re­view, the ex­ec­u­tive’s dis­cre­tion would be un­lim­ited, and the Mon­tesquieuian con­cept of the sep­a­ra­tion of pow­ers would be abol­ished. Such an ac­tion would be dis­as­trous for the peo­ple of the state, as a lack of sep­a­ra­tion is, es­sen­tially, to­tal­i­tar­i­an­ism.[11] Lord Hail­sham com­mented ex­tra-ju­di­cially that the con­cept of par­lia­men­tary sov­er­eignty is it­self a form of ‘elected dic­ta­tor­ship’.[12] I can­not say I agree en­tirely with this point, and pre­fer the opin­ion of King, which is that Par­lia­ment, through its util­i­sa­tion of ac­qui­es­cence, rat­i­fi­ca­tion, and au­thor­ship, al­lows for a ‘beau­ti­ful’[13]democ­racy. With­out the nec­es­sary checks of the courts, this would not be pos­si­ble.

How­ever, how can one rec­on­cile this fight for power be­tween the courts and par­lia­ment? One com­pro­mise comes from Pro­fes­sor Knight in the form of bi-po­lar sov­er­eignty — a doc­trine which sug­gests there is a shared sov­er­eignty be­tween the courts and Par­lia­ment.[14] This must be re­spected. As es­tab­lished through the case of Jack­son,[15]par­lia­men­tary sov­er­eignty is not per­fect, it is of­ten threat­ened. How­ever, through ju­di­cial re­view, it is re­spected to a de­gree where it main­tains a func­tional pur­pose.

These the­o­ries, how­ever, all cen­tre around one sole con­cept. Craig has been crit­i­cal of the State’s ob­ses­sion with a sin­gu­lar prin­ci­ple of par­lia­men­tary sov­er­eignty,[16] ask­ing why, in con­sti­tu­tional law, there is one over­ar­ch­ing prin­ci­ple? I would posit that there is not, and that the rule of law plays an equally im­por­tant role within our ju­di­cial and leg­isla­tive sys­tem. The rule of law al­lows for Knight’s bi-po­lar sov­er­eignty to ex­ist and cre­ates a fair state for the cit­i­zens of the United King­dom. Raz is crit­i­cal of at­tach­ing too much value to the con­cept of the rule of law. He in­sists that, sim­ply, there should be law.[17] Fur­ther­more, at­tach­ing any cur­rency to this con­cept will push away from its pu­rity and into an area wherein it ac­crues a po­lit­i­cal value.[18] This in­car­na­tion can only func­tion the­o­ret­i­cally. Ju­di­cial re­view is not a per­fect sys­tem, and as such there can never be a per­fect ap­pli­ca­tion of the rule of law.[19] In­stead, what ex­ists is a cal­cu­lated bal­ance of both par­lia­men­tary sov­er­eignty and the rule of law, both of which cover where the other falls short. Bing­ham LJ was a pro­po­nent of the im­por­tance of the rule, and both his judge­ments and his posthu­mous lit­er­a­ture are in­dica­tive of this.[20] One par­tic­u­lar ex­am­ple of his ju­di­cial ap­pli­ca­tion of the rule of law is in the case of YL v Birm­ing­ham City Coun­cil.[21] Dis­sent­ing, Bing­ham LJ saw the im­por­tance of pro­vid­ing wel­fare to YL, and that the law should not be in place just to pro­tect par­lia­men­tary sov­er­eignty, but also to pro­tect the in­di­vid­u­als who rely on the law.[22] Aca­d­e­mics have, how­ever, been crit­i­cal of his ap­pli­ca­tion of the rule of law, writ­ing that he is fur­ther­ing a com­mod­i­fied stance to wel­fare.[23] This, I would ar­gue, is unim­por­tant in our case as his Lord­ship is, re­gard­less, see­ing the im­por­tance of the ap­pli­ca­tion of the rule of law. Fur­ther­more, in the ju­di­cial re­view case of Few­ings,[24] his Lord­ship notes the im­por­tance of the ex­ec­u­tive’s lack of un­fet­tered dis­cre­tion, stat­ing that min­is­ters must have law to rely on, and that they do not share the same le­gal free­dom as cit­i­zens.[25] This is a vi­tal point of the rule of law, and has been ex­tended upon in fur­ther case law.

In Evans,[26] Lord Neu­berger placed the con­cept of the rule of law above that of the sov­er­eignty of Par­lia­ment. As Par­lia­ment at­tempted to ig­nore a de­ci­sion of the ju­di­ciary, his Lord­ship stated that the rule of law must pre­vail, and posed a ques­tion ask­ing what the point of courts was, if Par­lia­ment could sim­ply over­ride them.[27] This is one of the only ex­am­ples in which the rule of law was favoured over par­lia­men­tary sov­er­eignty. How­ever, it is still in the bal­ance, and does not deny Par­lia­ment their sov­er­eignty. Neu­berger LJ could be ac­cused of ju­di­cial ac­tivism, how­ever, what he is do­ing is re­stat­ing the in­tegrity and ne­ces­sity of the Courts, and there­fore the rule of law.

The con­cept of bi-po­lar sov­er­eignty al­lows for a sys­tem of gov­er­nance which pro­tects the peo­ple who rely on it. Dicey once stated that par­lia­men­tary sov­er­eignty is the most im­por­tant fea­ture of the state, as it al­lows for the pro­tec­tion of its in­di­vid­u­als. I would dis­agree, what is im­por­tant can­not be iden­ti­fied in one over­ar­ch­ing con­cept, what is re­quired is a fine bal­anc­ing act of the sov­er­eignty of Par­lia­ment, and the rule of law. There may be cir­cum­stances in which the scales tilt too far one way or too far the other, how­ever, ju­di­cial re­view al­lows for a bal­ance of these prin­ci­ples, which fur­ther leads on to a fair, cal­cu­lated ad­min­is­tra­tion of power within the state.

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[1] C.J.S Knight, ‘Bi-po­lar Sov­er­eignty Re­stated,’ (2009) 68 Cam­bridge Law Jour­nal 361.

[2] Pad­field v Min­is­ter of Agri­cul­ture [1968] AC 997.

[3] Al­bert Venn Dicey, In­tro­duc­tion to the Study of Law of the Con­sti­tu­tion (8th edn, Lib­er­ty­Clas­sics, 1982) pp. 3–4.

[4] R (on the ap­pli­ca­tion of Miller and an­other) v Sec­re­tary of State for Ex­it­ing the Eu­ro­pean Union [2017] UKSC 5.

[5] Nick Bar­ber, Tom Hick­man, Jeff King, ‘Pulling the Ar­ti­cle 50 ‘Trig­ger’: Par­lia­men­t’s In­dis­pens­able Role’ (U.K. Const. L. Blog, 27 June 2016) <https://​uk­con­sti­tu­tion­allaw.org/​2016/​06/​27/​nick-bar­ber-tom-hick­man-and-jeff-king-pulling-the-ar­ti­cle-50-trig­ger-par­lia­ments-in­dis­pens­able-role/> ac­cessed April 2019.

[6] Mark C. El­liott, ‘The Supreme Court’s Judge­ment in Miller: In Search of Con­sti­tu­tional Prin­ci­ple’ (2017) 76 Cam­bridge Law Jour­nal 257.

[7] R (on the ap­pli­ca­tion of Jack­son and oth­ers) v At­tor­ney Gen­eral [2005] UKHL 56.

[8] ibid 102.

[9] Jef­frey Jow­ell, ‘Par­lia­men­tary Sov­er­eignty un­der the new con­sti­tu­tional hy­poth­e­sis’ [2006] PL 562.

[10] Jack­son (n 7).

[11] MJC Vile, Con­sti­tu­tion­al­ism and the sep­a­ra­tion of pow­ers (2nd edn, Lib­erty Fund Inc, 1998) 15.

[12] Speech by Lord Hail­sham (British Broad­cast­ing Cor­po­ra­tion, 1976).

[13] Jeff King, ‘The De­mo­c­ra­tic Case for a Writ­ten Con­sti­tu­tion’ (Uni­ver­sity Col­lege Lon­don, 2018) <https://​www.youtube.com/​watch?v=JAqL-v0kOq8&t=1446s> ac­cessed April 2019.

[14] Knight (n 1).

[15] Jack­son (n 7).

[16] Paul Craig, ‘For­mal and sub­stan­tive con­cep­tions of the rule of law: An an­a­lyt­i­cal frame­work’ [1997] PL 467.

[17] Joseph Raz, ‘The Law’s Own Virtue’ [2018] Co­lum­bia Pub­lic Law Re­search Pa­per 14.

[18] ibid.

[19] En­di­cott, ‘The Im­pos­si­bil­ity of the Rule of Law’ (1999) Ox­ford Jour­nal of Le­gal Stud­ies 1.

[20] Thomas Bing­ham, The Rule of Law (Pen­guin Books, 2011).

[21]YL v Birm­ing­ham City Coun­cil [2007] UKHL 27.

[22] ibid.

[23] Morag Mc­Der­mont ‘Com­men­tary on YL v Birm­ing­ham City Coun­cil and Oth­ers.’ in Rose­mary Hunter and Clare McG­lynn and Erika Rack­ley (eds), Fem­i­nist Judge­ments: From The­ory to Prac­tice (Hart Pub­lish­ing 2010).

[24] R v Som­er­set County Coun­cil, ex p Few­ings and oth­ers [1995] 1 WLR 1037.

[25] ibid 1042.

[26] R (on the ap­pli­ca­tion of Evans) v At­tor­ney Gen­eral [2015] UKSC 21.

[27] ibid 52.

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Luke Broadway
Youth Law

LLB Student, University of Exeter — interested in law, tech and trusts— youthlaw.co.uklinkedin.com/in/luke-broadway.