Patient Notice COVID-19 (Coronavirus): Click here to find out more

Opening hours

9am – 5pm Monday to Friday

(Messages can be left out of office hours. We will return calls as soon as possible.)

Norwich Practice, 155 Unthank Road, Norwich, Norfolk. NR2 2PG

Our Team

Our Team

Independent Speech and Language Therapy Services Ltd (ISLTS) has a team of ten qualified, experienced, Speech and Language Therapists.

All therapists are members of The Royal College of Speech and Language Therapists and The Health and Care Professions Council. Some therapists are also members of the Association of Speech and Language Therapists in Independent Practice.

Our practice manager can be contacted at all times for referrals, assessments and general enquiries.

Lorna Bailey

MA (Cantab) MSc Cert.MRCSLT HCPC ASLTIP

Lead Specialist Speech and Language Therapist

Lorna is one of the lead speech and language therapists with over fourteen years’ experience. She qualified at University College London and worked in a number of roles both within the NHS and the independent sector in London, before moving to Norfolk in 2012.

Lorna has extensive experience working with clients in early years, mainstream primary and secondary schools, special schools and further education colleges. She works with clients with a wide range of clinical needs and has a special interest in pre-school children. Lorna has undertaken a wide variety of post-qualification training courses and undertakes regular continuing professional development activities. She provides supervision and mentoring to junior staff.

Lorna is fully trained in the administration of the Autism Diagnostic Observation Schedule (ADOS) and collaborates with other professionals to offer multidisciplinary Autism Spectrum Disorder assessments and diagnosis.

Lorna has close links with the NHS and is a non-executive Director of Norfolk Community Health and Care NHS Trust.

Lorna is a Company Director and part of the senior management team within ISLTS Ltd.


Nick Booth

BA (Hons) BSc (Hons) Cert.MRCSLT ASLTIP HCPC

Lead Specialist Speech and Language Therapist

Nick is one of the lead speech and language therapists with over 12 years’ experience. He is a skilled and effective clinician with expertise in a wide range of speech, language and communication disorders. He assesses and treats both children and adults.

Nick specialises in:

• Autism and Asperger’s Syndrome.
• Acquired brain injury (e.g. stroke, head injury)
• Auditory processing disorders

He provides supervision and mentoring to junior staff. Nick actively maintains and improves his knowledge and skills through postgraduate courses and professional development training. He works closely with individual patients, mainstream, special and independent schools, further education colleges, other professionals and agencies.

Nick is a Company Director and part of the senior management team within ISLTS Ltd.


Natasha Dunlop

Specialist Speech and Language Therapist

Natasha qualified as a speech and language therapist in September 1995 with a BSc in Clinical Language Sciences.  She has over 25 years of experience. Natasha provides a service to colleges in Norfolk, she has extensive experience working with children and young people with complex communication needs.

Natasha is dedicated to developing the communication skills and wellbeing of all clients.  She strives to keep her clinical intervention fresh and up to date in order to ensure that patients are motivated and have the best possible support in order to achieve their potential.  She enjoys close liaison and joint working with the team  around the child or young person.

Natasha undertakes regular professional development and has experience in Makaton, PECS, BSL, TEACCH Training.


Rebecca Gardner

BSc (Hons) Cert.MRCSLT HCPC

Associate Specialist Speech and Language Therapist

Rebecca qualified at the University of East Anglia in 2011. She worked as a paediatric speech and language therapist in Norfolk for almost 4 years, before moving to London for 2 years, where she worked for two independent speech and language therapy companies  covering a wide range of clinical areas. Rebecca returned to Norfolk in September 2018.

She has a special interest in speech and language difficulties in pre-school and primary age  children. Rebecca has undertaken a wide variety of post-qualification training courses.


Sophie Herbert

MSc MRCSLT ASLTIP HCPC

Specialist Speech and Language Therapist

Sophie studied at the University of Essex where she obtained an undergraduate degree in Linguistics and then a Masters degree in Speech and Language Therapy. After working for a private company in Essex for 3 and a half years, she moved back to Norfolk to continue her therapy career.

Sophie has a wealth wealth of experience working with children and young adults with a variety of speech, language and communication difficulties.

Sophie has worked in mainstream and special schools, colleges and clients homes. She has attended training in PECS, Shape Coding, Attention Autism, and the Nuffield Dyspraxia Programme. She uses different therapy approaches including TEACCH, colourful semantics, and language focused play.

Sophie has also completed the Makaton Foundation Workshop, she particularly enjoys working on language skills, as well as working with young people with special needs. Sophie provides a comprehensive, engaging and fun approach to therapy.


Caroline Cornell du Houx

MA (Hons) PGDip Cert.MRCSLT HCPC ASLTIP

Specialist Speech and Language Therapist

Caroline has over eight years’ experience. She qualified at City University, London and worked in a number of mainstream school, nursery and clinic roles within the NHS in London, before moving to Norfolk in 2016.

Caroline provides a bespoke service to children in named schools in Norfolk. She has a special interest in speech and language difficulties in primary and pre-school children, and stammering. Caroline has undertaken a wide variety of post-qualification training courses and undertakes regular continuing professional development activities.


Carissa Jermy

BSc (Hons) Cert.MRCSLT HCPC

Developing Specialist Speech and Language Therapist

Carissa has sound knowledge of the evidence base and believes in providing evidence based practice whilst individually tailoring therapy to deliver a personalised service.

Carissa is currently working with a varied caseload, including children, young adults with learning difficulties and adults, all of whom present with a wide range of communication needs.

Carissa undertakes continuing professional development (CPD) activities through a variety of means, including self-directed study, training and regular supervision.   She has completed the Makaton Foundation Workshop and attended TEACCH approach training course.


Becka Pitts

BSc (Hons) Cert.MRCSLT HCPC

Specialist Speech and Language Therapist

Becka qualified from the University of East Anglia in 2016. She has an interest in Children and Adolescents, Hearing Difficulties and Speech Sound Difficulties. Becka is qualified to BSL Level 1 and uses sign language both socially and at work.  She has attended the Makaton Foundation Workshop.

Becka has experience working with Autism/Asperger’s Syndrome and Learning Difficulties in adolescents and has previously worked in early-years settings and health care support. Becka has a wide caseload and offers therapy within schools, colleges and in clinic.  She believes in involving families and carers at all stages of assessment and treatment, individually tailoring therapy to provide a bespoke service.


Karen (Kaz) Powell

BSc Hons, PgDIP, Cert MRSLT, HCPCreg

Associate Specialist Speech and Language Therapist

Karen qualified with a BSc Hons in Language and Communication Sciences from City University, London in 2004, having previously worked in the Royal Air Force, Police Force and as a teaching assistant in different schools.

Karen provides speech and language assessment and therapy, working with clients on an individual basis, in small groups, through whole class work and in joint sessions with other professionals.  She provides training to parents, school staff and other professionals.

For three years Karen was an honorary lecturer at City University in London and continues to provide a week intensive stammering course in the summer holidays, based at the university.

Karen continues to update her knowledge and skills by attending CPD (Continuing Professional Development) courses, having regular supervision, accessing online courses in Safeguarding, reading research papers and accessing information from the Royal College of Speech and Language Therapists.


Catherine Situmorang

BA Linguistics and Language Pathology Cert.MRCSLT HCPC

Associate Specialist Speech and Language Therapist

Catherine Situmorang is a speech and language therapist with over 20 years’ experience.  She has worked both in the UK and in Indonesia as a language instructor.

Catherine has extensive experience with both pre-school and school aged children.  Catherine has spent many years providing therapy to children in school and is skilled and supporting teaching staff and providing education and training alongside therapy.

Catherine undertakes continuing professional development activities through self-directed study, training and supervision.


Ailsa Taylor

BSc (Hons) Cert.MRCSLT HCPC

Associate Specialist Speech and Language Therapist

Ailsa is a speech and language therapist with over ten years experience. She qualified at the University of East Anglia and worked for the NHS for over eight years before moving into the independent sector.

Ailsa specialises in working with children with special needs. She tends to work with clients who are pre-school or within Key Stage 1.

Ailsa has undertaken a variety of post-qualification training and regularly participates in continuing professional development activities. Ailsa has a particular interest in Down Syndrome and completed the Down Syndrome Education International online training for the Reading and Language Intervention.


Liesl Massingham

Practice Manager

Liesl has been with ISLTS Ltd since it was founded in 1995. She has supported Speech and Language Therapists for over 30 years and is responsible for the non clinical administration and day to day running of the practice.

She provides administrative support and HR to all speech and language therapists within the practice.

She works closely with Nick Booth and Lorna Bailey developing new contracts, maintaining and improving current contracts and striving to ensure a high standard of Speech and Language Therapy Service is provided at all times.

Liesl is a Company Director and part of the senior management team within ISLTS.