Emmaline Lambert

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Emmaline Lambert specialises in planning, environmental, public law, and regulatory crime.

She is ranked as a leading junior in planning law in the latest editions of the Chambers and Partners and Legal 500 directories. In 2024, she was named a Women of Influence by the Royal Town Planning Institute’s The Planner, she is recommended in Environment by Who’s Who Legal 2025 and she was ranked as a top planning junior in the 2022 Planning Magazine’s annual law survey.

In Legal 500 and Chambers and Partners, Emmaline received the following commendation: “Emmaline’s closing statements are the stuff of legends; they are clear and passionate, delivered in her own inimitable style”, “Emmaline is a charming lawyer with a wonderful manner who gets results for her clients and provides stunningly persuasive drafting”, “Emmaline is very client focused and has an almost superhuman capacity to review copious amounts of technical evidence in a short space of time”.

Emmaline acts on behalf of a wide range of clients and also accepts public access instructions.

Before being called to the Bar in 2003, Emmaline spent seven years working for a US Investment Bank having joined on the graduate scheme.

Expertise

Planning & Environment
Planning and environmental work represents a significant part of Emmaline’s practice. She is ranked as a leading junior in Planning in the most recent editions of Chambers and Partners and Legal 500, she was ranked as a top planning junior in the 2022 Planning Magazine’s annual law survey and in 2024 she was named a Woman of Influence by the Royal Town Planning Institute’s The Planner.

Emmaline regularly appears in planning inquiries, acting for both local authorities and appellants. Recently she has appeared in several planning inquiries relating to large housing appeals acting for both local authorities and appellants and in 2024/5 she has acted in two planning inquiries relating to commercial development (warehousing and a science park).

In 2023/24 she has acted for Dartford Borough Council, West Berkshire District Council and Horsham District Council in the Examination hearings of their local plans. n 2025/26 she has acted, and continues to act, for Horsham District Council and South Oxfordshire District Council/Vale of White Horse District Council in the Examination hearings of their local plans. She was recently involved in the called-in planning application in relation to significant highways infrastructure in Oxfordshire.

Emmaline regularly represents local authorities in enforcement proceedings from planning appeals to injunctions and criminal proceedings resulting in confiscation orders and is regularly instructed to assist prosecuting authorities at the earliest point to consider the evidence and to draft charges. She was on the Specialist Regulatory Advocate’s Panel for several years.

Notable cases include:
- Mead Realisations and Redrow Homes Ltd v Secretary of State for Levelling Up, Housing and Communities [2024] EWHC 279 – Emmaline acted for Hertsmere Borough Council in this case involving a challenge to an Inspector’s decision following a planning inquiry in which planning permission had been refused on grounds, inter alia, of failing to satisfy the flood risk sequential test in NPPF and PPG.
- Emmaline acted for the local authority in Gardiner v Hertsmere BC [2021] EWHC 1875 (Admin) and in the subsequent proceedings in the Court of Appeal, regarding whether the self-build exemption from the community infrastructure levy, provided for in the Community Infrastructure Levy Regulations 2010 was available if development had first been authorised by retrospective planning permission under s.73A of the Town and Country Planning Act 1990.
- Emmaline acted for Ashford Borough Council in the case of R (oao Camilla Swire) v Ashford Borough Council [2021] EWHC 702 (Admin) in which the Council had issued a lawful negative screening opinion but the grant of planning permission for a winery in the AONB was challenged; there had to be a change in circumstances after the screening opinion and that change had to be rationally capable of leading to a change in the view that the development was not EIA development for an issue under regulation 3 to arise.
- Emmaline represented the London Borough of Hackney in  R (on the application of Nicholas Perry) v Hackney LBC and Newmark Properties (SN) LLP and Sainsbury’s Supermarkets Ltd [2014] P.T.S.R D30, and [2014] JP.L. 1329 regarding the remit of confidentiality in financial viability appraisals provided to a local planning authority.
- In the case of  Sanger and Sanger v London Borough of Newham [2014] EWHC 1922 (Admin) (reported at [2014] 2 Cr. App. R. 27 [2014] 2 P. & C.R. 16 and J.P.L. 2014), Emmaline was involved from the first trial in 2011 in the magistrates’ court, the appeal against conviction in the Crown Court, High Court statutory challenge and she also acted for the Council in the Proceeds of Crime Act proceedings in the Crown Court.
- London Borough of Enfield in Koumis v Secretary of State for Communities and Local Government [2014] EWCA Civ 1723 regarding whether an erroneous notice under s.173A of the 1990 Act, purporting to vary an existing valid enforcement notice, rendered the enforcement notice a nullity.
Regulatory & Commercial
- Overview
- News
Emmaline regularly appears in both Magistrates’ Courts and Crown Courts representing prosecuting authorities and defendants in several areas of regulatory crime including Trade and Consumer Protection, Health and Safety, Food Safety and Environmental law (including Statutory Nuisance). She was on the Specialist Advocate’s Panel for several years.

She successfully prosecuted Bellway homes, Poundland and Kier MG and defended an escalator company in respect of health and safety offences. She was junior counsel in representing one of the world’s leading oil companies on the regulatory consequences of the Buncefield Terminal explosion.

Emmaline acted for the HSE in proceedings relating to a fatality of an employee at work. She has recently represented the HSE in the Court of Appeal in relation to two separate cases in which the sentence has been appealed.

Recent environmental work has included prosecution of a company for waste offences on behalf of the Environment Agency and representation of a waste company served with a revocation notice. She is currently involved in three planning prosecutions brought by 2 local planning authorities.
- Chambers UK Bar 2026: Cornerstone Barristers achieve 69 individual rankings across 14 practice areas 16 Oct 2025
- Cornerstone Barristers at MIPIM 202412 Feb 2024
Judicial Review & Public Law
Emmaline is regularly instructed to settle proceedings and appear in judicial review proceedings and s.288/289 challenges and wider public law cases such as acting for Hertsmere Borough Council in relation to its decision to issue Liability and Demand Notices under the Community Infrastructure Levy Regulations 2010 following its finding that the self-build exemption did not apply where development had first been authorised by retrospective planning permission under s.73A of the Town and Country Planning Act 1990.

She is currently instructed in relation to two ongoing judicial review claims.
- Chambers Trio Involved in Significant Case on Amended Protected Landscapes Duty18 Jun 2025
- Flood risk: The sequential test and the relationship between PPG and NPPF13 Feb 2024
- Chambers UK Bar 2026: Cornerstone Barristers achieve 69 individual rankings across 14 practice areas 16 Oct 2025
- Cornerstone Barristers continues to be ranked as one of the leading sets at the Bar in the 2025 edition of the Legal 50002 Oct 2024

Emmaline's closing statements are the stuff of legends; they are clear and passionate, delivered in her own inimitable style.
Legal 500 (2023)

Emmaline is a tough advocate with a bright and fresh approach. She demonstrates a very high level of client care and delivers in highly sophisticated areas of planning law.
Chambers UK Bar (2023)

Emmaline Lambert is a charming lawyer with a wonderful manner who gets results for her clients and provides stunningly persuasive drafting.
Chambers UK Bar (2026)

Emmaline is very client-focused and has an almost superhuman capacity to review copious amounts of technical evidence in a short space of time.
Chambers UK Bar (2026)

About Emmaline

Directory quotes
- “Emmaline Lambert is a charming lawyer with a wonderful manner who gets results for her clients and provides stunningly persuasive drafting.”
- “Emmaline is very client-focused and has an almost superhuman capacity to review copious amounts of technical evidence in a short space of time.”
- “Emmaline is a go-to barrister for planning matters. She is studious, thorough and a delight to work with.”
- “Emmaline Lambert is respected as a strong junior in the field who has broad experience of inquiries, enforcement matters and High Court challenges. She represents a diverse range of clients, including developers and third parties, and is routinely instructed to represent local authorities in planning inquiries and appeals. She is experienced in planning cases involving numerous sensitive environmental issues.”
- “She has the ability to understand issues very quickly and leads with confidence, integrity and respect.”
- “Emmaline is a powerful advocate and a great team player.”
- “Emmaline is conscientious and has an excellent eye for detail. As an advocate she is well-prepared and tenacious without ever being overbearing. No matter how challenging the case may be, it is always a pleasure to work with Emmaline.” Chambers and Partners 2025
- “Emmaline provides a very good service; she is understanding yet can be firm with the clients.” “Emmaline is down to earth, conscientious and covers all bases.” Chambers and Partners 2025
- “Emmaline is excellent to work with. She considers all aspects of a case and makes significant efforts to understand all the salient points. As an advocate she is fair, firm and well considered. It is a joy to work with Emmaline on all types of projects.” Legal 500 2025
- “She is understated in her advocacy, very efficient and a really good practitioner.” Chambers and Partners 2024
- “She acts in the best interests of her clients, is approachable and friendly, knowledgeable, consistent and delivers a very high standard of service. She is hardworking and competent, reliable, respectful to the inspector and court. Her advocacy is clear and concise, extremely persuasive, polite and courteous, respectful and takes witnesses down rabbit holes without them realising it.” Legal 500 2024
- “Emmaline Lambert is respected as a strong junior in the field who has broad experience of inquiries, enforcement matters and High Court challenges. She represents a diverse range of clients, including developers and third parties, and is routinely instructed to represent local authorities in planning inquiries and appeals. She is experienced in planning cases involving numerous sensitive environmental issues.” Strengths: “Emmaline is a tough advocate with a bright and fresh approach. She demonstrates a very high level of client care and delivers in highly sophisticated areas of planning law.” Chambers and Partners 2023
- “Emmaline is very organised and always delivers on time. She is very personable, with a robust but friendly and supportive manner. Her cross examination is perfectly judged, incisive, and unflinching. Emmaline’s closing statements are the stuff of legends; they are clear and passionate, delivered in her own inimitable style.” Legal 500 2023
- “She is always very well prepared and extremely supportive.” Chambers and Partners 2022
- “An extremely good advocate who takes account of all the relevant factors, taking the time to ensure she is well educated and up to speed with pertinent issues. She is easy to work with and helps to put the consultant team at ease during examination but applies appropriate pressure during cross-examination.” Legal 500 2022
- “She has a very good, practical sense of what works, good planning knowledge and a good style with the inspectors.” Chambers and Partners 2021
- I like her fair but firm style of advocacy in court, too.” Legal 500 2021
- “She is a dedicated, hard-working and diligent counsel who at the same time is friendly and easy to work with.” “Her advice is very useful and pragmatic.” Chambers and Partners 2020
- “Very experienced in health and safety prosecutions.” Legal 500 2020
- “Approachable and well prepared, she performs well in court” Legal 500 2020
- “She is a very effective advocate with a nice cross-examination style.” Chambers and Partners 2019
- “She is singularly impressive in her dedication to the client.” Legal 500 2018
- “Very engaging style, and very popular.” Legal 500 2018
- “Respected as a strong junior in the field”. Chambers and Partners 2017
- “She is helpful, practical and down to earth, with expert knowledge.” The Legal 500 2017
- “She is calm and focused. She has the ability to see issues others haven’t thought of”. Chambers and Partners 2017
- “Impressive in her dedication to clients facing exceptional difficulties”. Legal 500 2016
- “Extremely personable, very easy to get on with, and fiercely defends clients”. Legal 500 2015
Conferences
- Speaker at the PEBA Annual Conference (2025)
- Speaker at the SET event (2025)
- BNG webinar (2022)
- A practical guide to giving evidence (2020)
- Speaker at RTPI Legal Update Conference on ‘Planning Enforcement’ (2016)
- Officer training seminar for local authority on ‘Preparing for and Giving Evidence at Inquiries’ (2016)
- Half-day officer training seminar for local authority on Planning Enforcement (2016)
- Seminar on ‘Preparing for and Giving Evidence at Inquiries’ for national firm of planning consultants (2016)
- Speaker at Lawyers in Local Government Conference on ‘Planning Enforcement’ (2017)
Associations
- Member of Planning and Environment Bar Association
- Member of the South East Circuit
- Member of Middle Temple
- Member of UK Environmental Law Association
Notable cases
- Emmaline Lambert and Emma Dring advocate for critical highways infrastructure at Inquiry22 Feb 2024
- Emmaline Lambert successfully represents South Oxfordshire District Council to resist proposal to build 160 dwellings on green field site09 May 2023
Events