Who we help
Every property type we work on — from a mid-terrace to a block of flats.
Recommendations and prices change with your property type: a mid-terrace is never offered side-wall insulation, a top-floor flat gets its loft, a ground-floor flat its floor, and blocks route to a whole-building survey.
17 property types
Houses
Detached to mid-terrace, bungalows to farmhouses, period homes to new builds — each loses heat differently, so the usual measures and prices change with the type.
Detached house
- Typical construction
- Any age; cavity or solid walls; large roof and floor
- Where heat is lost
- Four exposed walls, large roof, ground floor
- Usual measures
- Loft, cavity or EWI, floor, glazing, solar, heat pump
- Watch-outs
- Biggest heat loss; best for whole-house packages
Price column: Detached
Semi-detached house
- Typical construction
- Mostly 1920s–1970s cavity walls; some Victorian solid
- Where heat is lost
- Three exposed walls and roof
- Usual measures
- Loft, cavity (or extraction and refill), floor, EWI on side and rear
- Watch-outs
- Match the neighbour's look on the front
Price column: Semi / end-terrace
End-of-terrace
- Typical construction
- Victorian solid walls or post-war cavity
- Where heat is lost
- Gable wall, roof, rear extension
- Usual measures
- EWI or IWI on gable, loft, floor, room-in-roof
- Watch-outs
- Gable wall is the main loss
Price column: Semi / end-terrace
Mid-terrace
- Typical construction
- Mostly Victorian and Edwardian solid brick; post-war cavity
- Where heat is lost
- Front and rear walls, roof, floor
- Usual measures
- Loft or room-in-roof, IWI or rear EWI, suspended floor
- Watch-outs
- Front often in conservation area
Price column: Mid-terrace
Townhouse
- Typical construction
- Georgian to modern; tall solid or cavity walls
- Where heat is lost
- Tall walls, roof, stairwell
- Usual measures
- IWI, roof, glazing, MVHR in modern ones
- Watch-outs
- Scaffolding and access costs
Price column: Semi / end-terrace
Mews house and cottage
- Typical construction
- Small, solid walls, low ceilings
- Where heat is lost
- Walls and roof
- Usual measures
- Breathable IWI, loft, floor
- Watch-outs
- Space-saving thin systems
Price column: Mid-terrace
Detached bungalow
- Typical construction
- 1950s–1980s cavity; large loft and floor area
- Where heat is lost
- Roof and floor are a big share
- Usual measures
- Loft (large area), cavity, floor, solar on large roof
- Watch-outs
- Heat pump friendly; single storey EWI is quick
Price column: Bungalow
Semi and terraced bungalow
- Typical construction
- Cavity walls
- Where heat is lost
- Roof and floor
- Usual measures
- Loft, cavity, floor
- Watch-outs
- Good value per £
Price column: Bungalow
Chalet and dormer bungalow
- Typical construction
- Room-in-roof upstairs
- Where heat is lost
- Sloping ceilings, dormers, stud walls
- Usual measures
- Room-in-roof insulation, dormer cheeks, floor
- Watch-outs
- Often missed by competitors
Price column: Bungalow
Period home
- Typical construction
- Solid brick or stone, suspended floors, sash windows
- Where heat is lost
- Walls, floor draughts, windows
- Usual measures
- Breathable IWI, floor, sash upgrades, secondary glazing, draught-proofing
- Watch-outs
- Moisture risk: breathable materials only
Price column: Semi / end-terrace
1930s home
- Typical construction
- Early cavity walls, bay windows, suspended floors
- Where heat is lost
- Bays, floor, unfilled cavities
- Usual measures
- Cavity fill, bay insulation, floor, loft
- Watch-outs
- Check cavity ties and width
Price column: Semi / end-terrace
Post-war and ex-council house
- Typical construction
- Cavity, some non-traditional
- Where heat is lost
- Walls and roof
- Usual measures
- Cavity or EWI, loft, glazing
- Watch-outs
- Identify construction first
Price column: Semi / end-terrace
Non-traditional / system-built
- Typical construction
- Concrete panels, no-fines concrete, steel or timber frame
- Where heat is lost
- Thin uninsulated walls
- Usual measures
- EWI (often the only route), loft, floor
- Watch-outs
- Structural survey; some PRC types need repair to be mortgageable
Price column: Semi / end-terrace
Listed building or conservation area
- Typical construction
- Historic fabric
- Where heat is lost
- Walls, windows, roof
- Usual measures
- Breathable IWI, thermal lime render, secondary glazing, loft, floor
- Watch-outs
- Listed building consent; Article 4; no EWI on fronts without planning
Price column: Semi / end-terrace
Farmhouse, barn conversion or rural home
- Typical construction
- Stone, timber, off-gas-grid
- Where heat is lost
- Walls, roof, oil heating
- Usual measures
- Breathable IWI, roof, floor, heat pump, solar
- Watch-outs
- Oil and LPG homes: biggest bill savings
Price column: Detached
New build or self-build
- Typical construction
- Timber frame, masonry, ICF, SIPs
- Where heat is lost
- Usually low
- Usual measures
- ICF, SIPs, full-fill cavity, Part L/Future Homes design, SAP calcs
- Watch-outs
- Design-stage SAP and air testing
Quote after survey
Park and mobile home
- Typical construction
- Lightweight timber or steel
- Where heat is lost
- Walls, floor, roof
- Usual measures
- External insulation kits, underfloor insulation (with a specialist partner)
- Watch-outs
- Specialist systems only
Quote after survey
9 property types
Flats and blocks of flats
Which insulation suits a flat depends on its floor and its lease. Whole blocks start with a block survey and follow the fire safety rules for their height.
Converted flat
- Typical construction
- Victorian or Edwardian solid walls
- Where heat is lost
- External walls, top-floor roof, ground floor
- Usual measures
- IWI, loft (top flat), floor (ground flat), sash upgrades
- Watch-outs
- Freeholder consent for external work
Price column: Flat / block
Purpose-built flat
- Typical construction
- Cavity or concrete frame
- Where heat is lost
- External walls, windows
- Usual measures
- IWI, glazing, draught-proofing
- Watch-outs
- Lease and freeholder rules
Price column: Flat / block
Ground-floor, top-floor flat or maisonette
- Typical construction
- Varies
- Where heat is lost
- Floor (ground), roof (top)
- Usual measures
- Floor or loft and roof insulation, EWI via block works
- Watch-outs
- Maisonettes often have own loft
Price column: Flat / block
Mansion block
- Typical construction
- Edwardian solid brick, large windows
- Where heat is lost
- Walls, windows, roof
- Usual measures
- IWI, secondary glazing, roof, communal works
- Watch-outs
- Conservation and leaseholder process
Price column: Flat / block
Ex-local-authority flat or maisonette
- Typical construction
- Concrete, cavity, system-built
- Where heat is lost
- Walls, roof, windows
- Usual measures
- Whole-block EWI, roof, windows
- Watch-outs
- Works usually via council or freeholder
Price column: Flat / block
Low-rise block
- Typical construction
- Masonry or frame
- Where heat is lost
- Walls, flat roof
- Usual measures
- Whole-block EWI, flat roof, cavity, windows, communal heating
- Watch-outs
- Section 20 consultation for leaseholders
Priced after survey
Mid-rise block
- Typical construction
- Frame or masonry
- Where heat is lost
- Walls, roof, balconies
- Usual measures
- Non-combustible EWI (mineral wool), roof, windows
- Watch-outs
- Fire risk appraisal of external walls (PAS 9980)
Priced after survey
High-rise block
- Typical construction
- Concrete frame
- Where heat is lost
- Walls, roof, balconies
- Usual measures
- Non-combustible insulation only, roof, windows, communal heating
- Watch-outs
- Combustible materials banned in external walls; Building Safety Regulator approval for works
Priced after survey
HMO and student housing
- Typical construction
- Mixed
- Where heat is lost
- Walls, roof
- Usual measures
- Loft, IWI, fire-safe EWI, acoustic insulation
- Watch-outs
- HMO licence and MEES for landlords
Price column: Semi / end-terrace
8 property types
Commercial and public buildings
Offices, warehouses, schools, hotels, care homes and portfolios — measured and priced per m² after a survey, and planned around how the building runs.
Offices, retail and shopfronts
- Typical construction
- Mixed
- Where heat is lost
- Roof, glazing, walls
- Usual measures
- Flat roofs, dry lining, glazing and shopfronts, HVAC, solar, LED
- Watch-outs
- Measured per m² after survey
Priced after survey
Warehouses, factories and industrial units
- Typical construction
- Steel portal frame, profiled cladding
- Where heat is lost
- Roof and cladding
- Usual measures
- Over-roof and roof liner insulation, rooflights, solar PV, battery storage, EV charging
- Watch-outs
- Measured per m² after survey
Priced after survey
Schools, colleges and nurseries
- Typical construction
- Mixed
- Where heat is lost
- Roofs, walls, glazing
- Usual measures
- Roofs, EWI, glazing, heat pumps, solar
- Watch-outs
- Works planned around term times
Priced after survey
Hotels, restaurants and gyms
- Typical construction
- Mixed
- Where heat is lost
- Roofs, walls, glazing
- Usual measures
- Roofs, walls, glazing, HVAC and heat recovery
- Watch-outs
- Phased works to keep trading
Priced after survey
Care homes and healthcare
- Typical construction
- Mixed
- Where heat is lost
- Walls, roofs, heating
- Usual measures
- EWI, roofs, glazing, heating, ventilation (occupied-building methods)
- Watch-outs
- Occupied-building methods and fire safety
Priced after survey
Places of worship and heritage buildings
- Typical construction
- Historic fabric
- Where heat is lost
- Walls, roof, windows
- Usual measures
- Breathable insulation, secondary glazing, heating controls
- Watch-outs
- Consents and breathable materials
Priced after survey
Mixed-use
- Typical construction
- Mixed
- Where heat is lost
- Floors over commercial units, walls, roof
- Usual measures
- Floors over commercial units, EWI, roofs, acoustic insulation
- Watch-outs
- Separate residential and commercial requirements
Priced after survey
Landlord and housing association portfolios
- Typical construction
- Mixed stock
- Where heat is lost
- Varies by property
- Usual measures
- Stock surveys, EPC C plans, programme delivery across many homes
- Watch-outs
- Private rented homes must reach EPC C by October 2030
Priced after survey
Begin your project
Not sure where your home fits?
Our EPC Check & Upgrade Planner asks your property type first, then ranks every upgrade by value — with the grants that may apply.