When to hire a heritage consultant

What a heritage consultant does

A heritage consultant assesses the significance of a heritage asset, advises on the impact of proposed works, and writes the documents the planning authority needs to make a defensible decision. The work covers significance assessments, heritage statements, heritage impact assessments, setting analyses, conservation area appraisal contributions, expert witness evidence and pre-application strategy.

Most heritage consultants are accredited members of the Institute of Historic Building Conservation (IHBC), the Royal Town Planning Institute (RTPI) or hold RIBA Conservation Architect status. The accreditation matters: conservation officers and planning inspectors give different weight to evidence depending on its source.

Trigger points to engage one

Feasibility on a listed or conservation area site

Before the design is fixed, a heritage consultant identifies the sensitivities of the asset, the borough's likely concerns and the policies that will be used to determine the application. This shapes a brief that is consentable, rather than a brief that has to be redesigned after pre-application.

Pre-application stage

A heritage consultant prepares the pre-app submission, frames the heritage argument, and engages directly with the conservation officer. A well-prepared pre-app produces a meeting note that anticipates the eventual application.

After a refusal

Most heritage refusals turn on weak evidence, not bad design. A consultant reads the refusal reasons against the officer's report, identifies what would change the outcome and advises on whether to revise and resubmit, appeal, or both.

Enforcement

Section 38 of the Planning (Listed Buildings and Conservation Areas) Act 1990 makes unauthorised works to a listed building a criminal offence. A heritage consultant assesses the merits of the works, advises on regularisation through retrospective LBC, and supports any defence to a section 38 enforcement notice.

Appeal

Heritage-led appeals require expert evidence: a proof of evidence on significance, a proof on impact, and engagement with the inspector's decision-making framework. A heritage consultant prepares the proof, gives evidence at hearing or inquiry, and coordinates with the planning advocate.

Where the value lies

The value of a heritage consultant is concentrated in three things: a defensible significance baseline, a proportionate impact analysis and a document that conservation officers can use. None of these are decorative. A statement that articulates significance from the listing entry, the conservation area appraisal and the building fabric is materially more persuasive than one that asserts importance without evidence.

The cost of getting heritage advice wrong is concentrated at the back end of a project: refusal, redesign, appeal, lost time on site, lost rent, lost sale value. The cost of getting it right is concentrated at the front: a few weeks of consultant time at feasibility and pre-application.

When it is too late

It is too late for a heritage consultant to rescue an application that has been submitted with a generic heritage statement, gone through three rounds of officer comments and is awaiting refusal. At that point the only defensible move is to withdraw, regroup and resubmit. It is not too late to engage a consultant for the resubmission or for any appeal.

Heritage consultants in London

London contains the highest concentration of listed buildings and conservation areas in England. Westminster, the Royal Borough of Kensington and Chelsea, Camden, Islington, Hackney, Tower Hamlets and Southwark each contain thousands of listed buildings and dozens of conservation areas, with conservation officer scrutiny that is materially more rigorous than most of the rest of the country. A consultant who knows the borough's appraisal documents, design guidance and Article 4 directions is the difference between consent and refusal.

Vestige is a London heritage consultancy. We work across all 32 London boroughs and the City of London, with particular depth in the inner boroughs.

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