Talking Conservation

28 Episodes
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By: Stephen Boniface and Rich Alesbury

Welcome to Talking Conservation, where we talk about all things related to our built heritage. Whether you own an historic building, are responsible for a heritage site, or are a professional consultant, contractor, or simply interested - this is the place to find out more.We discuss various matters and conduct interviews with a wide range of people involved with our heritage in some way. This includes architects, surveyors, archaeologists, conservation officers, contractors, conservators, historians ... the list goes on.We are interested in and talk about any aspect of heritage; not only listed buildings, but all older and traditionally constructed...

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Old House Maintenance: Avoiding Costly Repairs with SPAB’s Mary Henn
Old House Maintenance: Avoiding Costly Repairs with SPAB’s Mary Henn episode artwork
Today at 11:59 AM

Have we lost the habit of looking after our buildings? And why do we so often wait for something to go wrong before doing anything about it?In this episode of Talking Conservation, Rich and Stephen visit SPAB headquarters to meet technical officer Mary Henn for a conversation about old house maintenance — from disappearing DIY skills and the “rip it out and start again” approach to renovation, to the real difficulties of finding trustworthy advice and getting awkward jobs done.We discuss the cost of neglect, why heavier rainfall presents challenges for older buildings, and the conservation dilemmas involved in mak...


Worried About Woodworm? The Complete Guide Before You Spray
Worried About Woodworm? The Complete Guide Before You Spray episode artwork
09/12/2026

Found woodworm holes in your floorboards, roof timbers or old furniture? Before you pay for chemical treatment, this in-depth guide explains how to tell whether the infestation is actually active, why moisture matters, and what you should do next.This is our detailed look at woodworm treatment, going beyond the usual advice to simply spray the timber. We explain the science behind wood-boring beetles, why old flight holes don't necessarily mean you have an active infestation, and why controlling the conditions in the timber is often more important than reaching immediately for chemicals.In Part 4 of our Talking Conservation...


Worried about Dry Rot? Understand it first
Worried about Dry Rot? Understand it first episode artwork
05/28/2026

In this episode of Talking Conservation, Rich and Stephen unpack one of the most feared problems in old buildings: Dry Rot.

We look at what dry rot actually is, why the name is misleading, how it differs from so-called wet rot, and why the presence of a fruiting body does not always mean you need to panic. We also explain why moisture is still the key factor, how rot really spreads, when identification matters, and why some of the old advice around chemicals and cutting back timber simply does not stand up.

This episode is...


Why Timber Rots in Old Buildings (and how to stop it)
Why Timber Rots in Old Buildings (and how to stop it) episode artwork
04/24/2026

Why does timber rot, and what actually causes wood to decay in old buildings?In this second episode of our Talking Conservation timber series, Rich and Stephen dig into the real reasons timber rots, and why it is not simply a case of “old wood going bad”.

We explore the role of moisture, fungal growth, ventilation, drying, and environment, and explain why understanding these basics is essential before you can diagnose or fix any timber problem properly.

We also look at how moisture meters work, why they can be useful, how they can be misleading in t...


How Timber works in Old Buildings
How Timber works in Old Buildings episode artwork
04/12/2026

What actually is timber, and why is it such an important material in old buildings?In this first episode of our new Talking Conservation timber series, Rich and Stephen go right back to basics to explain how timber works, where it comes from, and why understanding it is essential before diagnosing any problems in historic buildings.From how trees grow, to the difference between heartwood and sapwood, to how timber is converted and used in buildings, this episode lays the foundation for everything that follows in the series.If you own, work on, or are interested in older buildings...


Listed Building Myths that can get you into serious trouble | Part 2
Listed Building Myths that can get you into serious trouble | Part 2 episode artwork
02/06/2026

What happens if you rely on a builder’s advice, skip consent, or try to “fix it later” on a listed building?In this second myth-busting episode, we unpack the real legal risks of getting listed building works wrong.

Joined again by conservation architect Claire Truman, Stephen and Rich explore some of the most dangerous misconceptions homeowners have about listed buildings, planning consent, and enforcement.

From criminal liability and prosecution to enforcement notices that follow properties for decades, this episode explains why “asking forgiveness later” is rarely a safe strategy.

We cover:

- Who is...


What CAN you do to a Listed Building? Part 1
What CAN you do to a Listed Building? Part 1 episode artwork
01/30/2026

What can you actually do to a listed building?
In this episode of Talking Conservation, we cut through the confusion, myths, and half-truths that surround listed buildings and planning consent.

Joined by conservation architect Claire Truman, we explore what homeowners are often told they can’t do, versus what the legislation and real-world practice actually allow. Drawing on professional experience and real case studies, this conversation is about empowerment, understanding the system, and knowing where to get the right help.

We discuss:
• Common myths about listed buildings and consent
• What changes usually do and don’...


Talking Conservation Turns One – What We’ve Learned & What’s Next
Talking Conservation Turns One – What We’ve Learned & What’s Next episode artwork
11/01/2025

It’s been one year of Talking Conservation — and in this special anniversary episode, Rich and Stephen step back to reflect on the journey so far. From favourite episodes to lessons learned behind the mic, they also reveal what’s coming next.

In this episode:
• Key takeaways from 12 months of podcasting
• Exciting plans for 2025 — including hands-on training and a conservation day
• Updates on Stephen’s new CPD training platform for professionals
• How Rich’s platform, Expertible, is helping homeowners access independent conservation advice
• How you can shape future episodes with your feedback

🎯 Got a question...


Lime Plaster Ceiling Repair for Old Homes | Decorative Cornice & Moulding Restoration Tips
Lime Plaster Ceiling Repair for Old Homes | Decorative Cornice & Moulding Restoration Tips episode artwork
09/26/2025

In this final episode of our Lime Series, we’re joined once again by master plasterer Sean Wheatley to explore the finer details of working with lime plaster on ceilings, restoring decorative cornices, and repairing historic mouldings in older UK homes.We cover:How to approach lime plaster ceiling repairs safely and effectivelyWhy cornices and ceiling roses matter for character and breathabilityCommon causes of ceiling failure in older buildingsRepairing and replacing traditional decorative plasterworkReal-world tips from decades of experience working on Victorian and Edwardian homesHow to blend new and original plaster seamlesslyWhether you're dealing with sagging ceilings, cracked cornices, or...


How to Fix Ceilings in Older Homes – Lath, Plaster & Lime Advice with Master Plasterer Sean Wheatley
How to Fix Ceilings in Older Homes – Lath, Plaster & Lime Advice with Master Plasterer Sean Wheatley episode artwork
09/17/2025

In this episode of Talking Conservation, we’re joined by expert heritage plasterer Sean Wheatley, who brings decades of hands-on experience in the restoration of traditional ceilings and plasterwork in older homes. From sagging lath and plaster to hairline cracks and inappropriate repairs, Sean explains what to look out for, how to fix it — andwhen to call in a pro.

🧱 We discuss:

●      What materials were historicallyused for ceilings (and why it matters)

●      How to tell if a ceiling needsrepair or replacement

●      Spotting signs of serious failurevs. cosmetic issues

●      Why modern materials often makethings worse...


Up High: How Rope Access Protects Historic Buildings – Talking Conservation with Steve Hogarth
Up High: How Rope Access Protects Historic Buildings – Talking Conservation with Steve Hogarth episode artwork
08/17/2025

In this follow-up episode of Talking Conservation, we’re back with Steve Hogarth – SPAB Fellow, heritage mason, and rope access conservator with Highlife Rope Access – to dive deeper into how conservation really happens at height.From blocked gutters and cracked coping stones to wildlife nests and fragile leadwork, Steve shares what really goes on when you're dangling from ropes on cathedrals, castles, and churches – and why rope access can offer major advantages over traditional scaffolding.We explore:• What rope access actually is and when it’s used• Real-world examples of unexpected issues found at height• Why hands-on surveys can reveal more than...


Lime Mortar Details That Matter – Drip Detailing, Exposure & High-Level Repairs
Lime Mortar Details That Matter – Drip Detailing, Exposure & High-Level Repairs episode artwork
08/08/2025

What’s the biggest threat to your historic building? Water.

In this special episode of Talking Conservation, we’re joined by Steve Hogarth — SPAB Fellow, heritage mason, and rope access conservator with Highlife Rope Access — to explore how the smallest details up high can make the biggest difference to your building’s long-term health.

We dig into:

- Why effective drip detailing is critical to keeping water off your building

- What causes damage when high-level details are missing or poorly repaired

- Sky-facing joints and how they differ from verti...


Understanding Substrates in Older Homes – Lime Mortar Series Bonus Episode
Understanding Substrates in Older Homes – Lime Mortar Series Bonus Episode episode artwork
07/11/2025

Before choosing your lime mortar or plaster, you need to understand your substrate.

In this bonus episode of Talking Conservation, Stephen and Rich explore the importance of knowing what's behind or beneath your mortar; from soft handmade bricks and old stone to chalk walls and cob.

Whether you're repointing, plastering, or rendering, understanding the substrate is critical to choosing the right mix and achieving long-lasting results.

We cover:

- What a “substrate” actually means in traditional buildings

- Common types found in historic homes (brick, stone, cob, timber)

...


Which Lime Mortar to Use? Part 3 – Floors, Chimneys & Exposured Areas
Which Lime Mortar to Use? Part 3 – Floors, Chimneys & Exposured Areas episode artwork
07/04/2025

Not sure which lime to use for a chimney, solid floor, or coping stone? In this episode of Talking Conservation, we explain how to choose and apply the right lime mix for floor construction and high-exposure areas in older homes.

In this episode, Rich and Stephen continue their deep dive into lime mortars, exploring how to apply them in real-world contexts where performance under pressure really matters.

We cover the use of limecrete floors and lime ash floors, debunking common myths about moisture performance and clarifying where lime-based solid floors offer real benefits (and where...


Which Lime Mortar to Use? Part 2 – Plasters & Renders for Traditional Homes
Which Lime Mortar to Use? Part 2 – Plasters & Renders for Traditional Homes episode artwork
06/28/2025

Lime Plaster & Render Uses Explained — How to choose the right mix for old buildingsIn this episode of Talking Conservation, Stephen and Rich continue their deep dive into lime applications; this time focusing on internal plasters and external renders for traditional and historic buildings.We discuss the different types of lime used in plaster and render work; including air lime, NHL 2, NHL 3.5, hot lime, and pozzolanic mixes and how to choose the right one based on the substrate, exposure, and performance needs.We cover:Why flexibility and vapour movement matter in internal plaster systemsWhen to avoid overly hard or dense mi...


Which Lime Mortar to Use? Part 1 – Building & Pointing Old Brick and Stone
Which Lime Mortar to Use? Part 1 – Building & Pointing Old Brick and Stone episode artwork
06/18/2025

Lime Mortar Uses Explained — How to apply the correct mix for your historic homeIn this episode of Talking Conservation, Stephen and Rich explain how different types of lime mortar are applied to traditional buildings; from soft brick pointing to bedding stone walls. We cover the pros and cons of air lime, NHL 2, NHL 3.5, and hot lime mixes and how they compare to cement-based mortars often found in repairs.When considering pointing; we talk about the adage that "the pointing should always be softer than the surrounding masonry" and explain this. We discuss when to consider repointing and briefly look at...


Lime Mortar Types Explained – Essential Knowledge for Older UK Buildings
Lime Mortar Types Explained – Essential Knowledge for Older UK Buildings episode artwork
06/11/2025

In this episode of Talking Conservation, we explain the different types of lime used in building and restoration work. If you have ever wondered what the difference is between air lime, natural hydraulic lime (NHL), pozzolans, or hybrid lime mixes, this video will give you a clear introduction.

Understanding the types of lime is essential before starting any work on older or historic buildings. Whether you are a homeowner, builder, surveyor or anyone dealing with traditional construction, choosing the right lime can make a big difference to the long-term condition of the building.

We cover: <...


Lime Mortar for Old Homes – Chemistry, Conservation & Why It Still Works
Lime Mortar for Old Homes – Chemistry, Conservation & Why It Still Works episode artwork
04/25/2025

Rich finds a lime kiln. Stephen nerds out on chemistry. Somehow, it all makes sense.

In this episode of Talking Conservation, we walk through the full lime cycle — from burnt limestone to breathable lime mortar — and explain why it still matters today.

Packed with practical knowledge, dry humour, and the occasional chemistry flashback, this is your crash course in the building material that’s been quietly doing the heavy lifting for centuries.

Rich comes across an old disused lime kiln and this leads us to discuss the Lime Cycle. Stephen talks about how a source...


The Old Sun Inn - Past, Present, & Future
The Old Sun Inn - Past, Present, & Future episode artwork
04/04/2025

Douglas Kent is the Technical Secretary ofSPAB, but in his private capacity purchased The Old Sun Inn, Saffron Walden, afew years ago, having previously acquired the neighbouring properties. We talkabout how Douglas got involved in conservation and how he came to the point ofbuying these buildings.  We discuss thechallenges he has so far faced and those he is yet to tackle. Amongst theissues discuss3ed we consider how to undertake appropriate repairs, dealingwith inappropriate past works, upgrading to modern requirements and dealingwith building regulations.  Douglas tellsus about his plans for the future and mentions some of the events lined up...


The Highs and Lows of an Aviation Museum - with Ian Flint
The Highs and Lows of an Aviation Museum - with Ian Flint episode artwork
03/11/2025

Ian is the CEO of Stow Maries Great War Aerodrome (museum). We talk about his past and how he came to be at Stow Maries, as well as describing the site and its buildings. Some issues we specifically talk about are Hoop Iron and Asbestos. We also discuss the use of volunteers and how these are essential to the running of the museum. An ongoing problem that faces most museums is funding and we talk about funding for Stow Maries. We also look at future plans and Ian also tells us what inspires him.Chapters00:00:00 Music intro. 00:07:09 General introduction.00:30:07...


Heritage home insurance: What every owner must know
Heritage home insurance: What every owner must know episode artwork
#8
01/07/2025

Buildings Insurance for Historic Homes: Everything You Need to Know In this episode, we sit down with Steve Moores, Client Director for Howden Insurance, to discuss the ins and outs of buildings insurance for historic homes. Whether you’re a homeowner, landlord, or tenant of an old property, this episode is packed with essential advice to help you protect your home. Key Topics Covered: - How to assess the rebuild value of your historic property. - Factors that impact insurance premiums and how to lower costs. - Risks specific to older homes, such as fire, flood, subsidence, and more. ...


Solo restoring an 1804 Naval Mansion – Greg's Epic DIY Journey | Man with a Hammer's Admiral’s House
Solo restoring an 1804 Naval Mansion – Greg's Epic DIY Journey | Man with a Hammer's Admiral’s House episode artwork
#7
12/21/2024

If you're a fan of home renovations, historic properties, or jaw-dropping transformations, you’ve likely heard of Greg—better known on social media as “Man with a Hammer.” In this episode, we dive into his epic journey of restoring the Admiral’s House, a massive 8000-square-foot ex-Naval officer’s quarters in Plymouth, into a stunning forever home. Built in 1804, this grand Georgian property boasts 30+ rooms, 5 floors, and 60+ windows—but it needed serious TLC. Greg shares his Yorkshire upbringing, his DIY struggles as the self-proclaimed 'office wally,' and the inspiration behind his gorgeous interior design style. We also explore the challenges...


"Get a PCA Timber and Damp survey" what it means, why it happens and what to do about it.
"Get a PCA Timber and Damp survey" what it means, why it happens and what to do about it. episode artwork
#6
12/21/2024

In this episode we explore what many homeowners have experienced during the purchase process of buying an older property; the dreaded "you require a separate timber/damp survey".

Stephen and Rich discuss the reasons you may get such a requirement, usually from your mortgage lender, the history that surrounds it and finally what people can do about it to ensure you both satisfy the lending conditions but also do what is appropriate for your home.

Thanks for listening.


Links:

Joint Position Statement, September 2022: "Investigation of moisture and its...


Historic Building Mythbusting with James Wright
Historic Building Mythbusting with James Wright episode artwork
11/30/2024

MYTHBUSTING!


James Wright


We are talking to James Wright - the Historic Buildings Mythbuster!


We start off by looking into his background and how he got into building archaeology, and then we go on to tease a bit more out about him in terms of some of the grand buildings he's dealt with to some of the smaller historic buildings, and the lessons that he's learnt from those. We talk about some of the science involved in building archaeology, so dendrochronology what it is, how that works and how he...


Everything Retrofit with the Directors of the National Retrofit Hub
Everything Retrofit with the Directors of the National Retrofit Hub episode artwork
11/23/2024

In this episode, we interview the directors of the National Retrofit Hub - Rachel Owens and Sara Edmonds.


00:00 Introduction

00:52 What is NRH?

02:02 Rachel’s background

04:12 Sara’s background

08:40 About the NRH, who is involved and getting the message across

14:25 Reasons for, and benefits of, retrofit

15:27 Retrofit for homeowners, builders and builders’ merchants

20:50 Community involvement

24:17 Getting the message out

27:17 Aims of NRH

30:15 The NRH directory and looking for examples and exemplars

31:50 Getting the next generations involv...


All things LIME with Ben Kerslake of Carrington Lime
All things LIME with Ben Kerslake of Carrington Lime episode artwork
11/17/2024

In this episode we chat with Ben Kerslake of CarringtonLIME. Rich visited him at his premises in the Forest of Dean. We discuss Ben winning a Blue Peter competition, getting his neighbours to work on his house, and painting a room for 50p! On a more serious note, we talk about lime, hot lime, Naturally Hydraulic Lime, training, and innovation. Ben is keen to help train the next generation of plasterers, but also homeowners wanting to have a go themselves, and professionals wanting to understand the use of lime better.


00:00 - Intro

01:02 - About...


Meeting The Building Conservation Directory founder Jonathan Taylor
Meeting The Building Conservation Directory founder Jonathan Taylor episode artwork
11/11/2024

In this episode we talk with Jonathan Taylor, exploring his beginnings in Architecture and then as a Conservation Officer, before the founding of the Building Conservation Directory. We discuss its success and some of the challenges Jonathan faces in publishing, as well as issues that are close to Jonathan's heart relating to conservation and his concern that conservation is about more than just the buildings.


Chapters


00:00 - Intro

00:26 - Jonathan Taylor biography

02:06 - What made Jonathan change from Architecture to conservation

05:47 - Not just the building but...


Introductions Episode - who we are and why we're doing this
Introductions Episode - who we are and why we're doing this episode artwork
11/10/2024

An introduction to this podcast. Find out a bit about Stephen and Rich, what their motivations are, and what this podcast is about.


Chapters:

0:44 Introduction to Stephen

7:24 Introduction to Rich

13:08 How and why we’ve got together

15:26 Why we’re doing this podcast

16:12 What we mean by “Conservation”

19:18 Misinformation online / media (print/TV etc)

21:02 Dispelling myths 

22:08 The need for homeowners to understand technical matters. 

24:13 Minimal education in trades / professions / apprenticeships don’t teach old buildings 

28:24 Technicals concepts simp...