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Katie Helmore

Call: 2009
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Practice Summary

Katie was called to the bar in 2009 and specializes in property, rating, planning and environmental law.


Katie is ranked in Chambers & Partners as ‘very proactive, efficient, capable and good on her feet’, ‘very much a junior of choice’ ‘she works very hard and uncovers every point’

Katie has broad experience of injunctions including urgent and interim injunctions in both the county court and the High Court including those concerning student protests (led by Katharine Holland QC) (School of Oriental and African Studies v Persons Unknown [2010] 49 E.G 78), and aviation relation injunctions. Katie regularly acts for landowners on urgent trespasser and protester injunctions and possession claims often relating to high profile and high value commercial properties in central London including those raising human rights issues, travellers, fly tipping and raves.

Katie recently appeared (as a junior to Katharine Holland QC) in a five day High Court Trial concerning drainage rights and forfeiture: General Motors UK Ltd v Manchester Ship Canal Co Ltd [2016] EWHC 2960 (Ch)

She has particular experience in multi claimant nuisance cases including appearing for the Defendant in a leading 5 week environmental nuisance group litigation case (Anslow v Norton Aluminium Ltd [2012] EWHC 2610). As well as being instructed as a junior to Katharine Holland QC Katie conducted cross examination of a large number of the lead Claimants and their supporting witnesses. Katie also acted for the successful Parish Council in a private prosecution under the Environmental Protection Act 1990 for statutory noise nuisance arsing from the use of a playground brought by a local resident. Katie recently gave a talk entitled ‘Balancing Interest: Timothy Taylor Limited v Mayfair Corporation’

Katie regularly advises and appears in the Leasehold Valuation Tribunal in relation to both enfranchisement and service charge disputes and appeared before the Upper Tribunal (Lands Chamber) in relation to a right to manage claim (Columbia House Properties (No3) Ltd v Imperial Hall RTM Company Limited [2014] UKUT 0030 (LC)). Katie has particular experience of all aspects of enfranchisement and right to manage and associated valuation issues and regularly gives talks in this area including: ‘Agreeing or Determining Terms of Acquisition’ ‘Terms and Covenants Tips and Tactics’ and is due to present a workshop with Thomas Jeffries on mixed use premises.

Katie acted (as junior to Philip Coppel QC) for the Defendant in a high court trial dealing with rights of pre-emption, restrictive covenants and perpetuities (Cosmichome Ltd v Southampton City Council [2013] 1 W.L.R 2436) and appeared (as a junior to Katharine Holland Q.C.) in an 8 day trial involving issues of forfeiture, breach of covenant for quiet enjoyment, derogation from grant, non reliance clauses, nuisance, breach of contract, misrepresentation, rescission, affirmation and rectification

She accepts instructions to advise and draft  on all aspects of real property matters and landlord and tenant disputes including commercial and residential landlord and tenant, service charges, disrepair, tenancy deposit schemes, assignment of leases, enfranchisement, easements, restrictive covenants, rent review land registration and nuisance,

Katie regularly appears in both residential and commercial possession actions including cases under the Mobile Homes Act 1984, trespass, forfeiture, service charges, lease renewals, Rent Act claims and mortgage proceedings. She is often instructed in respect of complicated residential possession claims relating to high value properties.

She has also given a joint talk to a CBA seminar on competition law and covenants.

Rating and Valuation

Katie acts for a range of clients on rating matters with recent work including the state of repair of the property and the valuation effect of incentives in leases. Katie has a particular interest in and experience of rating cases which also raise property issues such as the relative responsibilities for landlord and tenants and the potential impact on rates of a termination of a lease.

Katie delivered a joint paper with Jacqueline Lean at the Landmark Chambers’ Annual Rating Conferences in 2016 and is due to present a talk on ‘Non-Domestic rate: a beginners guide hot topic/ key recent cases’

She also has experience of commercial rent review work including the interpretation of rent review clauses, the effect of certain disregards and identifying the basis of valuation.

Planning and Environment

Katie has broad experience in many areas of planning and environmental law and has a particular interest in cases that involve aspects of both property and planning and environmental law such as for example nuisance claims, flooding and fly tipping.

Katie also has experience of compulsory purchase and was recently instructed as a junior to David Elvin QC in a leading Court of Appeal decision concerning the assessment of compensation for an electricity wayleave including loss of value of a contract for the sale of land in respect of which a condition of completion could not be met due to the grant of a wayleave (Arnold White Estates Ltd v National Grid Electricity Transmissions Plc [2004] EWCA Civ 216)

She is regularly instructed to appear at planning inquiries on behalf of both the Local Planning Authority and Appellants including enforcement notice appeals and certificates of existing lawful use appeals. Katie recently appeared in a successful 2 day planning inquiry for the developer in respect of a residential development on a site of special scientific interest as well as a successful 4 day planning appeal for the Local Authority in relation to a proposed housing development and a successful 5 day planning inquiry for the Rule 6 Party relating to a residential children’s home and concerning issues of noise and anti social behavior.

Katie is also instructed to both defend and prosecute planning related prosecutions in the criminal courts including issues relating to proceeds of crime act applications.

She also undertakes advisory work on a wide range of topics within this area including in relation to Assets of Community Value and has delivered a paper to the London Boroughs Legal Alliance on Recent Case Law in Planning, and has also produced a joint talk on Compensation and HS2.


Katie graduated with an LLB European (Hons first class) from the University of Exeter and a Master en Droit Européen (first class) from the University of Rennes in 2008. Katie was awarded the AP Langlois Prize, the prize for French and German Law and the Paul Heim Prize in 2008.

Katie completed the Bar Vocational Course (outstanding) at BPP in 2009. She received the Lincoln’s Inn Lord Denning and Harwicke scholarships during her BVC year and a pupillage scholarship.

Katie is a member of the Property Bar Association. She is also an ADR group accredited mediator.


“She provides strong commercial advice that cuts through legal issues to get to the nub of the matter.” “A very able, bright junior.” Chambers & Partners, 2018

“She’s brilliant; she’s very robust and very commercial which always impresses my clients.” “Brilliant. She knows how to manage clients’ problems.” Chambers & Partners, 2017

“She supports the case very well. She is easy to get on with and bright.” Chambers & Partners, 2016

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