Image of Heritage

We demystify planning and heritage with an appreciation for your property’s value and history.

Offering a bespoke service is essential when dealing with historic buildings and places. Every project comes with a complex and unique set of requirements. Our job is to identify and manage these on your behalf. 

From advising on renovation works to delivering a major re-development of college facilities, we have the expertise to guide you through the process and deliver your vision. Our specific experience and relevant expertise help you manage your heritage assets and protect them for future generations.  

Our team can help with:

    • Early appraisal and input into feasibility studies
    • Heritage Planning and Listed Building Application advice and advocacy
    • Expert support through all RIBA work stages
    • Carbon reduction & net zero heritage advice



Architecture & Design

We realise your project’s potential and help you see things differently.

Economics & Social Value

Development projects shape communities, driving economic and social progress. We quantify this impact, helping secure approvals and funding.

Masterplanning, Landscape & Assessment

Design that delivers on your priorities and contributes to green infrastructure.

Planning Consultancy

Comprehensive planning strategy and submission advice - tailored to your site and your objectives.

It's in the numbers


historic assets researched and significant assessed since 2022


estates reduced their carbon footprint due to our work on retrofit projects since 2022


new build projects supported by our expertise in historic buildings and conservation areas since 2022

Meet our trusted experts

Image of Dianna Fletcher

Dianna Fletcher

Partner, Head of Heritage

Dianna is an architect by background with over 25 years experience of working on complex heritage projects across multiple sectors.

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Kate Hannelly-Brown

Kate Hannelly-Brown

Partner, Heritage and Design

A heritage consultant, architectural technician and conservation officer all rolled in to one.

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Daniele Haynes

Associate, Heritage & Conservation

A heritage consultant with a passion for setting.

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Katherine Harrison

Katherine Harrison

Associate, Heritage & Conservation

An experienced conservation officer turned principal heritage consultant.

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Heritage building

Arundel Street, Portsmouth

A project that perfectly aligns with Portsmouth's future-proof masterplan, we helped to achieve planning for brand new student halls and facilities. The 28-storey building will include housing for almost 600 individuals, communal spaces and a bar for students.

Arundel Street Portsmouth

Comet Hotel, Hatfield

The proposed alterations and extension took this Grade II listed hotel to new heights with 65 rooms - 52 of which are in the new wing - and permission for 308 student rooms to the rear.

Comet Hotel, Hatfield

Deansgate student accommodation

Transforming a vacant, derelict site, this new student living facility will revitalise an historic area of the city, provide vital housing for the university and improve the landscape of Manchester.

Deansgate student accommodation


After sitting empty for several years, the client needed to revitalise this London landmark and achieve planning permission for modern-day office space. As the last surviving Diorama in the world, the heritage team navigated the complex planning process of restoring a prestigious building.

Diorama Front view

Emmanuel College, Cambridge

Acting as both property advisor and consultant, our multi-faceted work for Emmanuel has led to a financially sound and high returning investment. Emmanuel need quality, value for money and long-term impact – we’ve been on hand from inception to ensure we deliver on their vision.

Emmanuel College, Cambridge 3

Exeter College, University of Oxford

The fourth oldest college at the University of Oxford has been constrained by its small site in the city centre and was searching for a new quadrangle. 

Exeter - Ruskin 2

Gradel Quadrangles

The comprehensive redevelopment of the College’s Savile Road site saw proposals for an innovative curved quad building that shapes three south facing quads.

New College - East Quad

Lucy Cavendish College

The pioneering Lucy Cavendish College needed to instigate fundamental change to ensure that it would continue to attract students and flourish for years to come.

SDC_LucyCavendish_Externals_F (19)

Highgate School

Established in 1565, the award-winning Highgate School has seen significant change. Committed to delivering the very best education environment possible, the school is embarking upon the next programme of investment and renewal across its estate.


Hurlingham Road, Fulham

Following a refusal by the local authority for the client’s scheme, Bidwells was instructed to carry out an appeal in a bid to overturn the original decision.

Hurlingham_As Proposed_Street View_high res

North Uttlesford Garden Community

Appointed as the heritage consultant, Bidwells relished the challenge of completing significance assessments on over 40 Grade I, II* and II listed heritage assets, several conservation areas and a registered deer park and garden, either directly on the site or located in close proximity.

North Uttlesford

Kings High School

Transforming this complex site in the heart of Warwick came with its challenges. Converting listed buildings, including some demolition, and adding 118 new residential units in a way that would be approved by Warwick District Council, Historic England and the local community - was a challenge our heritage experts could deliver on.

The Butts - Kings High School.JPG

Master Shipwright's House

The Grade II* house is the only remaining above ground structure at the Royal Dockyard. With a large development approved next door – Convoys Wharf, the owners wanted to understand the feasibility, constraints and opportunities of their site and how it might be linked to the new development.

Master Shipwrights House

Lord’s Cricket Ground

Lord’s Cricket Ground is the Home of Cricket and an iconic venue famous the world over, but the Marylebone Cricket Club needed to invest in its floodlighting system to keep pace with a fast-changing game.

Cricket 1

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