A diagnostic centre that used to hatch eggs
Pull up to the Community Diagnostic Centre on Gonerby Road, Gonerby Hill Foot, and the building gives nothing away. It is a low industrial structure on the edge of Grantham, the kind of place that could belong to any light-manufacturing estate in the East Midlands. Until April 2022, it did: the site was a Moy Park poultry hatchery, engineered for egg incubation at scale.
Since then, it has been an NHS clinical facility. ULHT, NHS Lincolnshire ICB, and BBC reporting all confirm the repurposing. In 2024, a £5 million investment brought MRI and CT scanners inside the same walls, along with patient changing areas, clinical preparation rooms, and staff facilities. More than 75,000 diagnostic tests had been carried out on the site before that expansion opened.
Official communications describe the Gonerby Road centre as offering 'a calmer environment' than a hospital emergency department — a deliberate contrast with the noise and unpredictability of acute settings. That framing is plausible on its own terms. But it raises a question the communications do not address: what happens to a patient's sense of confidence and safety when the building they walk into for an NHS scan was, until recently, optimised for hatching poultry?
When the building sends the wrong signal
Buildings communicate before anyone speaks. Internal human-factor research carried out in Grantham (MSK KB, June 2026) names 'Environmental Dissonance' at the Gonerby Road CDC as a documented friction point — not a theoretical risk, but a finding specific to this site. The recorded consequence is erosion of trust and a perception that care is temporary, even though the facility holds permanent clinical equipment.
The mechanism is sensory rather than aesthetic. A hatchery is engineered for a particular purpose: thermal regulation calibrated to egg incubation, industrial ventilation scaled for animal husbandry, large undifferentiated floor areas, materials chosen for washability rather than warmth. These features leave a residue — scale, acoustic echo, quality of light, the thermal feel of the space — that a patient reads involuntarily the moment they step inside. Call it spatial grammar: the set of cues a space uses, through texture, sound, and temperature, to declare what kind of place this is and who it is for. At Gonerby Road, those cues reach the patient before any clinician speaks. They are not saying 'NHS clinic.' They are saying 'industrial shed,' and that contradiction registers instantly.
The gap between what is clinically installed and what the environment communicates is where the friction sits. Equipping a hatchery with scanners resolves the operational brief; it does not resolve the sensory one.
Trust is decided at the door, not the desk
A 2022 study published in Frontiers in Psychology, surveying 367 patients at general practice clinics, found that ambiance, interior decor, and cleanliness were the primary drivers of patient trust — while exterior design was associated with neither trust nor satisfaction. The finding is precise in where it locates the decisive moment: not the consultation room, not the clinician's manner, but the interior threshold — the seconds after the door opens.
Patients arrive carrying a mental picture of what a clinical space should feel and smell and sound like. That picture is built from years of GP waiting rooms, hospital corridors, pharmacies: the particular palette of those environments, their scale, their acoustic softness, the warmth of the light. When a new space matches that picture closely enough, trust is granted automatically, as a default. When it does not, trust does not vanish — but it shifts from automatic to effortful. The patient has to work to reassure themselves that they are in the right kind of place, and that cognitive load lands in the room before the clinician does.
Grantham's own human-factor research records this dynamic directly. Spaces explicitly designed to feel 'welcoming and flexible,' it notes, can produce 'a profound loss of spatial confidence' when their sensory signals conflict with what users expect. That is a design problem with a clinical consequence. Nothing about it reflects on staff or equipment; it reflects on the building's grammar, and on whose schema it was built to match.
Gonerby Road is not an outlier — it is the pattern
Gonerby Road is unusual in its origins, but not in its category. NHS England data confirms that 165 Community Diagnostic Centres are now operational across England, in settings that include shopping centres, university campuses, and football stadiums. Thirty of those 165 sites are still running from temporary capacity while permanent builds are completed. Non-purpose-built clinical environments are, in other words, the programme's normal operating condition — not its edge case.
NHS England design guidance does mandate that CDCs align with one of three broad architectural archetypes, but guidance and estate reality sit some distance apart. A shopping centre unit and a football stadium concourse both carry residual retail or leisure grammar — they were built around human footfall, sightlines designed for browsing or spectating, materials chosen for public comfort. Repurposing them for diagnostics requires clinical fit-out, but the underlying spatial logic was always about people. The conversion challenge is one of purpose, not of species.
A poultry hatchery occupies a different point on that spectrum. It was engineered around a biological process: temperature management, biosecurity, scale calibrated to industrial yield. Its spatial grammar was never human-centred to begin with. That distinction matters when considering what the 2025 research on healing-centred design describes as a sector-wide tendency to engineer diagnostic spaces for 'efficiency, biosafety, and regulatory compliance, often overlooking psychosocial factors that shape stress, trust, and cognitive functioning.'
Gonerby Road is not the only converted building in the national CDC estate. It is, however, the most clearly documented English example of the extreme end of that conversion range — a wholesale industrial food-production repurposing — which makes it a sharper test of the design principles the programme formally endorses.
What clinical design guidance actually asks for
Architectural practices working on CDCs are consistent about what patient-centred diagnostic design requires in practice. CPMG identifies calming interiors, intuitive wayfinding, and material quality as non-negotiable — not as finishing choices but as functional ones. Wayfinding reduces cognitive load: a patient who cannot quickly read where they are going is already spending mental energy on orientation rather than managing their health anxiety. Material quality signals care and permanence. Thermal comfort — consistent warmth, controlled air — is not a luxury; it is basic physiological ease that underpins trust before any clinical interaction begins. AHR similarly notes that the quality of the healthcare estate directly shapes the health, safety, and wellbeing of both staff and patients.
Wayfinding is a particular challenge in volume buildings. Large, undifferentiated industrial spaces offer few natural cues for spatial hierarchy — no reception sequence that narrows from public to clinical, no shift in scale that marks arrival. Those cues have to be engineered in from scratch, because the original building was designed around process flow and biological yield, not around a visitor's need to feel oriented and safe.
The 2025 research on healing-centred design confirms the wider pattern: diagnostic spaces are routinely engineered for efficiency and biosafety, with psychosocial factors treated as secondary. In a converted hatchery, those factors must be actively compensated for. The thermal and acoustic performance of the Gonerby Road building's original fabric — insulation specification, ventilation strategy — has not been publicly documented, which leaves that part of the assessment inferential.
What the £5 million refurbishment is testing
The £5 million invested in 2024 is the most tangible signal that NHS commissioners regard Gonerby Road as a permanent fixture. New MRI and CT scanners, dedicated changing areas, scanner control rooms, a staff room — these are not the fittings of a temporary arrangement. In that sense, the investment directly addresses one of the most pointed findings in the internal human-factor research: that the site's industrial heritage generates a 'perception of care as temporary' in patients, despite its permanent clinical installation. Spending at this scale is one answer to that perception; the question is whether it reaches the right surfaces.
The single published patient account — 'gone are the queues, delays and gloomy corridors' — suggests something has shifted. But it almost certainly reflects conditions after the 2024 refurbishment rather than the original 2022 fit-out, and one testimonial cannot carry the weight of a representative finding. There is no published qualitative research on how patients experience the Gonerby Road building's spatial or thermal character — the kind of evidence that would show whether the trust gap flagged by the internal research has actually narrowed.
More than 75,000 diagnostic tests have been delivered at this site. That is a large enough cohort to support a systematic patient-experience survey that goes beyond clinical outcome and asks directly about comfort, orientation, and confidence in the setting. Commissioners who want to know whether the £5 million has worked need that data. Without it, the investment is real but its effect on trust remains, at best, assumed.
- [1] Determinants of patients' satisfaction and trust toward healthcare service environment in general practice clinics. (2022). https://doi.org/10.3389/fpsyg.2022.856750 https://doi.org/10.3389/fpsyg.2022.856750
- [2] Integrating Healing Centered Design Principles into Diagnostic and Laboratory Facility Planning. (2025). https://doi.org/10.32628/cseit251117149 https://doi.org/10.32628/cseit251117149