Projects
We work on a wide range of projects, tailoring our approach for each client. Some of our recent and current projects are outlined below.
NDM Heath Ltd.
Oldway Mansion, Devon
Retrofit strategy to inform the proposed refurbishment of a large, Grade II* listed country house in Devon, placed on the Heritage At Risk register in 2023
Wadenhoe, Northamptonshire
Energy modelling analysis and technical & policy support to inform the renovation of a 16th-century, Grade II listed thatched cottage in the conservation village of Wadenhoe
Kensington Palace, London
WUFI hygrothermal assessment to inform the thermal upgrade of an 1860s, Grade II* listed Arts & Crafts house in the Kensington Palace Conservation Area
Conversion, Scottish Borders
WUFI hygrothermal assessment to inform the conversion of part of a 1930s, Category A listed building complex designed by Basil Spence
Barn conversion, Scottish Borders
Retrofit strategy, energy modelling & WUFI hygrothermal assessment to support the conversion of a detached, exposed stone barn in the Scottish Borders
Mansion block apartment, Kensington
Retrofit assessment to support the refurbishment of a top-floor flat in a Victorian mansion block in a Kensington Conservation Area
Timber-framed farmhouse, Hertfordshire
Detailed retrofit strategy for a 16th-century, Grade II listed timber-framed farmhouse and brick outbuildings in Hertfordshire
Building conversion, West London
WUFI hygrothermal assessment & thermal bridge analysis to inform the conversion and retrofit of an early cavity-walled former ambulance station into a GP surgery in West London
Gate Lodge, Dunoon
WUFI hygrothermal assessment to inform solid wall insulation proposals for this detached, highly exposed listed building on the West coast of Scotland
British Museum, London
Strategic retrofit assessment to support the detailed fabric condition survey of this internationally significant Grade I museum complex, working with Donald Insall Associates
Becket's Chapel, Wymondham
Retrofit strategy, energy modelling & WUFI hygrothermal assessments to guide the low-energy refurbishment of this 15th century, Grade I listed flint chapel in Norfolk
Windmill House, Fife
Energy modelling & WUFI hygrothermal assessment to inform the whole-house retrofit of this detached Victorian manse on the East coast of Scotland
Dulwich Estate, London
Retrofit strategy & WUFI hygrothermal assessments to inform & support the whole-house retrofit of this Edwardian semi-detached property in the Dulwich Village Conservation Area
Old Power House, Snowdonia
WUFI hygrothermal assessments & energy modelling to inform the conversion of a former hydro power plant outside Dolgellau in the Snowdonia National Park
St John's College, Cambridge
Retrofit assessment & WUFI hygrothermal assessments for wall insulation proposals, working with Allies & Morrison to support the conversion of these Georgian, Grade II listed buildings
Victorian townhouse, Putney
Retrofit assessment to support the renovation and extension of this substantial townhouse, the Grade II* listed former home of poet Algernon Swinburne
Sutton Estate, Chelsea
WUFI hygrothermal assessments for wall & roof insulation proposals, as part of a refurbishment of these Victorian mansion blocks in a Conservation Area
Old Vicarage, Blackdown Hills
Retrofit strategy & WUFI hygrothermal assessment of insulation proposals for this substantial former Vicarage building dating from 1700 and situated in the Blackdown Hills AONB
Priest House, Somerset
Retrofit strategy for this Grade II listed house, originally dating from the mid-1600s and situated near Glastonbury in Somerset
Manor House, North Yorkshire
Retrofit strategy for this Grade II listed manor house dating from 1668 and situated close to the Yorkshire Dales National Park
Alfoxton House, Somerset
Planning support to gain consent for the sustainable refurbishment of William Wordsworth's former home, a Georgian Grade II listed country house sitting in 55 acres of land in the Quantock Hills AONB
Fisherman's Cottage, Findhorn
Detailed retrofit strategy & energy analysis for refurbishment & extension of traditional single-storey fisherman's cottage within a Conservation Area
Vicarage Retrofit, Yorkshire
Detailed energy strategy, leading to deep retrofit of Grade II listed Vicarage within Conservation Area & North York Moors National Park
Kingswood Estate, London
Independent review of proposed major works programme to address severe moisture problems in 718 flats across 36 traditional and non-traditional blocks; revised retrofit strategy & follow-up monitoring
Factory Conversion, Northampton
Detailed retrofit strategy to support the conversion of a Grade II listed Art Deco leatherworks factory into 24 low-energy social housing flats, blending traditional & non-traditional construction with modern, aesthetically-sensitive materials
Listed Farmhouse Renovation, Bath
Detailed retrofit strategy to support the refurbishment of a Grade II listed limestone farmhouse dating from 1651, sited out the outskirts of the UNESCO World Heritage Site of Bath
Conservative Club, Malton
Detailed retrofit strategy to support the conversion of a Grade II listed former Conservative Club into flexible office space, in the central market square and forming part of a Conservation Area
Hygrothermal Assessment, Hertfordshire
Moisture risk analysis to inform the roof insulation strategy for the conversion of a traditionally constructed, Grade II listed milking parlour into a domestic annexe
Arts & Crafts House, Kensington
Detailed retrofit assessment for a detached, traditionally constructed Arts & Crafts property situated in a Conservation Area in London's Royal Borough of Kensington & Chelsea
Listed townhouse, Belgravia
Sustainable energy feasibility study for a six-storey, Grade II listed Georgian townhouse situated in central London's Belgravia Conservation Area
Listed conversion, Dorset
Energy analysis, Building Regulations compliance & design support for the division of a 17th-century Grade II listed property into two dwellings
Mansion flat, Kensington
Detailed retrofit feasibility study for a mid-floor apartment in a seven-storey, red-brick Victorian mansion block situated in the Kensington Court Conservation Area in central London
Barn conversion, Yorkshire
Detailed energy strategy, WUFI hygrothermal analysis & building fabric testing for farmhouse renovation & barn conversion in the Nidderdale AONB
Woolwich Arsenal, London
Design advice & hygrothermal assessment for the redevelopment of Grade II listed military arsenal buildings, working with Greengauge Building Energy Consultants
Miners’ Hall, Durham
Energy review for proposed renovation & extension of prominent Grade II listed Miners’ Hall, to support Heritage Lottery Fund application
Old Rectory, Cambridgeshire
Retrofit strategy & financial appraisal for 16th-century Grade II listed Rectory building
Garrowby Estate, Yorkshire
Sustainable energy feasibility study for the refurbishment & extension of a 13,500-acre country estate forming part of the Halifax Estates, working with Michaelis Boyd
Steiner Academy, Bristol
Energy Efficiency Strategy for large-scale historic building redevelopment, providing planning support for the conversion of a listed university complex into a Steiner Academy
Millhanger Farm, Surrey
Design guidance and planning application Energy & Sustainability Statement for a Paragraph 79 development on brownfield land in an Area of Special Landscape Value
Clarke Hall, Wakefield
Energy strategy for 17th century Grade II* listed Clarke Hall, a private residence and former museum in Yorkshire
Retrofit Strategy, Frome
Survey, analysis & deep retrofit strategy for private residence in Somerset, providing a whole-house approach based on technical detailing, aesthetics and fabric compatibility
Retrofit Analysis, Stroud
Property assessment & report to investigate issues arising following the retrofit of external wall insulation on a traditional building, on behalf of Stroud District Council
Listed Conversion, Bristol
BREEAM Domestic Refurbishment services, enabling the conversion of a derelict, 1840s listed building to achieve 'Excellent' ratings as part of a wider new-build housing development
Manor House, Leamington Spa
Internal insulation strategy & technical report to support Planning & Listed Building applications for the retrofit of a 16th century, Grade II listed timber frame, brick & stone residence
Bristol SWI Retrofit Guide
Development of comprehensive best-practice retrofit guidance on behalf of Bristol City Council, in partnership with the STBA, Fourwalls and Prewett Bizley Architects
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SWI Design Tools, Blackpool
Decision Making Protocol & Code of Conduct for Blackpool Council, enabling development teams to select robust SWI strategies and Q&A processes for traditional building retrofit
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EWI Research, Historic England
Site visits & research into large-scale EWI schemes across the North of England, to expand the technical knowledge base for retrofitting insulation on traditional buildings
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Retrofit Tool Expert Review
Technical review of the Responsible Retrofit Guidance Wheel on behalf of the Sustainable Traditional Buildings Alliance (STBA)
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MA Teaching, University Of York
Design & delivery of new Sustainable Retrofit module for IHBC-accredited 'Conservation Studies' postgraduate MA degree course
UNESCO, Croatia & Italy
Annual delivery & joint lead of 'Sustainable Energy Governance In UNESCO World Heritage Sites' summer school in Dubrovnik & Venice
National Retrofit Training
Development of national training modules on the retrofit of traditional buildings, on behalf of the Construction Industry Training Board (CITB)
Green Register Training
In-depth training courses for architects & other building professionals on the principles, practice & case studies for retrofitting traditional buildings; UK-wide
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Energia Y Patrimonio, Spain
Lecturing at international energy efficiency conference, organised by the Fundación de Casas Históricas y Singulares & Spanish Government
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Retrofit Survey Training
Development & delivery of new training course on retrofit & survey of traditional buildings, on behalf of the Property Care Association (PCA)
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RIBA Conservation Seminars
Repeat short-course training delivery for architects as part of the annual RIBA Conservation Seminars
UK Conferences
Presentations & lectures at conferences across the UK, including SPAB, STBA, CoRE, IHBC, CIAT, PCA & Fit For The Future
Previous Projects
Prior to setting up NDM Heath Ltd. in 2013, Director Nicholas Heath developed and led many high-profile projects with Scottish sustainable development organisation Changeworks.
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A groundbreaking pilot project retrofitting energy efficiency measures in traditional listed buildings in a UNESCO World Heritage Site, accompanied by the production of a comprehensive technical guide and a 200-delegate conference; Winner of the Green Apple Award for Scotland 2008; Highly Commended in the national EAS EnergySavers Award 2008
As above, an innovative follow-up pilot project retrofitting microgeneration systems into traditional listed buildings in a UNESCO World Heritage Site, accompanied by a comprehensive technical guide and a 200-delegate conference; Winner of the national EAS EnergySavers Award 2009
Research and production of detailed planning guidance for sustainable buildings, on behalf of the Energy Saving Trust; Commended in the Scottish Awards for Quality in Planning 2010
A further pilot project installing bespoke double glazing (formerly prohibited) into traditional listed buildings in a UNESCO World Heritage Site, accompanied by a detailed technical report recommending a change in local planning policy, which was subsequently made to permit such glazing in listed buildings
Specialist consultancy services to develop guidance for sustainable retrofitting of listed buildings as part of a new Supplementary Planning Document, on behalf of Bath & North East Somerset Council
€1m EU project (secured through application to Intelligent Energy Europe fund) leading a 3-year retrofit project with partners from six EU countries
Numerous research and technical publications (Technical Papers 3, 8, 9, 10, 16, 17 and 20) analysing energy consumption, retrofit options, energy and CO2 modelling, and financial mechanisms (Green Deal, ECO, RHI) in relation to traditional buildings, on behalf of Historic Scotland
Research followed by organisation & delivery of a 200-delegate conference to bring together the latest research and approaches into insulating stone-built properties, accompanied by a comprehensive and up-to-date report
Action-based research monitoring actual savings made by PV by social housing tenants, followed by development of new guidance for both tenants and landlords to maximise savings and return on investment
Peer Review – Analysis, energy modelling validation, review and recommendations for improvement of a forthcoming policy imposing minimum energy efficiency standards on Scottish social housing, on behalf of the Scottish Government
Technical & behavioural research, accompanied by in-depth interviews with landlords and focus groups with tenants to establish the pros and cons of renewable heating systems in off-gas social housing, on behalf of Consumer Focus Scotland
Numerous projects working with urban and rural community energy groups in developing and delivering local CO2 reduction projects, including training, technical support, community surveys, CO2 footprinting and management plans, energy efficiency guides for householders, and feasibility studies and financial modelling for renewable energy projects
Support and delivery of a 1-week summer school in Croatia for professionals across South-East Europe, on behalf of UNESCO Italy
Energy efficiency and microgeneration in hard-to-treat housing – in-depth training for domestic advisors across Scottish EST advice centre network covering both pre- and post-1919 housing, on behalf of the Energy Saving Trust
Repeat delivery of CPD training session for architects and builders on retrofitting older and protected housing, on behalf of the Green Register
Repeat delivery of training session on microgeneration in historic buildings, on behalf of the Scottish Traditional Skills Training Centre
Numerous training seminars for architects associations on sustainable retrofit of traditional housing, the pros and cons of energy and CO2 modelling, and financing energy efficiency and renewable energy systems
Postgraduate lecturing on sustainable retrofit of traditional buildings, on behalf of various Scottish universities