Cost model: Supermarkets | Features

New build supermarket with 50,000 ft² sales area
听	element cost	cost/m² gfa 拢	% of total cost
Supermarket shell	听	听	听
Substructure	348,000	46.2151	19.26
Pad foundations and ground beams听6960 m² @ 拢15
150 mm reinforced concrete ground floor slab; 175 mm granular fill, powerfloated finish; including formation of below floor ducts to checkout areas only听6960 m² @ 拢35
Frame	362,300	48.1142	20.05
Steel propped portal frame, cold rolled purlin sections, surface treatment, excluding decorations; allowance based on 41 kg/m²听286t @ 拢1,050
Fire casing to columns and beams under first floor, including cavity barriers听570 m² @ 拢28
Structural steel frame to form first floor听50t @ 拢920
Upper floors	28,500	3.7849	1.58
Holorib decking and insitu concrete topping to first floor听570 m² @ 拢50
Roof	447,700	59.4555	24.78
Standing seam aluminium roof, curved to 172 m radius, including inner liner tray听5500 m² @ 拢40
Eaves detail to roof cladding听170 m @ 拢135
Single layer polymeric roof covering, built-up system including 85mm insulation board and inner liner tray to flat roof areas to front of store听1640 m² @ 拢50
Allowance for rainwater goods, including syphonic drainage to standing seam roof听Item @ 拢30,000
Allowance for mansafe system and hatches to flat roof听Item @ 拢15,000
Profiled metal pvf2 coated cladding to form canopy, including secondary steelwork, flashings and decoration听210 m² @ 拢370
Stairs	20,000	2.6560	1.11
Reinforced concrete stairs to first floor level; galvanised steel balustrade and handrails 2nr @ 拢10,000
External walls, windows and doors	225,200	29.9070	12.46
Profiled galvanised steel built-up cladding system, 120mm quilt insulation with white inner liner sheet; polyester powder coating听890 m² @ 拢35
Feature cladding band to store front and customer restaurant, composite cladding system with bonded liner and insulation听675 m² @ 拢20
Allowance for louvres, flashings and detailing听65 m² @ 拢850
Allowance for column casings听Item @ 拢10,000
Polyester powder coated aluminium shopfronts; double glazed with safety glass; including 4nr double manual doors and frames听300 m² @ 拢310
Aluminium windows; polysester powder coated; sealed double glazed units听25 m² @ 拢260
Softwood framed, metal lined external doorsets, including ironmongery and decoration听17nr leaves @ 拢750
Allowance for shutters to loading bay doors听Item @ 拢3,000
Disposal installations	125,300	16.6401	6.93
Below slab drainage, manholes, covers, etc听6960 m² @ 拢18
Protective installations	4,000	0.5312	0.22
Allowance for lightning protection听Item @ 拢4,000
Preliminaries and contingency	246,000	32.6693	13.61
Contractor's site establishment and supervision @ say 6%听Item @ 拢94,000
Contractor's overheads and profit @ say 4%听Item @ 拢66,000
Contingency @ say 5%听Item @ 拢86,000
TOTAL CONSTRUCTION COST (Shell only, rate based on GIFA)	1,807,000	239.98	100.00

New build supermarket with 50,000 ft² sales area
听	element cost	cost/m² gfa 拢	% of total cost
Supermarket fit-out	听	听	听
Internal partitions & doors	237,000	31.47	4.71
Internal metal stud partitions, including sundry metalwork听2160 m² @ 拢55
Fire protection / stopping听2160 m² @ 拢20
Carpentry and joinery including internal doors and frames and trucking doors听Item @ 拢50,000
Security and fire shutters generally听Item @ 拢25,000
Internal finishes	338,200	44.91	6.72
300 x 300 terrazzo flooring to sales area听5100 m² @ 拢35
Checkout duct covers听Item @ 拢25,000
Allowance for Aluminium access covers and frames听Item @ 拢5,000
150 x 150 white wall tiles to bakery, including epoxy grout听440 m² @ 拢32
150 x 150 ceramic floor tiles to bakery, prep areas, serveries and WC's, including epoxy grout, skirtings, angles, etc听540 m² @ 拢45
Vinyl sheet flooring to back-up areas, including skirtings, trims, DPM听425 m² @ 拢48
Allowance for other miscellaneous wall / floor finishes听Item @ 拢25,000
Suspended ceilings to domestic areas and customer WC's听465 m² @ 拢45
Allowance for insitu finishes, including screeding, etc听Item @ 拢25,000
Fittings and equipment	1,309,000	173.84	26.01
Allowance for internal signage听Item @ 拢18,000
Allowance for trolley protection rails听Item @ 拢20,000
Allowance for ATM / cash office听Item @ 拢30,000
Specialist joinery to create front brand wall听Item @ 拢20,000
Shopfitting to Pharmacy听Item @ 拢30,000
Allowance for gondolas to sales floor generally听4,645 m² @ 拢38
Servery, plant and equipment to bakery听Item @ 拢260,000
Shopfitting to specialist areas including hot food, deli, meat and fish, salad bar, etc听Item @ 拢130,000
Allowance for checkouts (not including service desk and kiosk)听30nr @ 拢3,000
Allowance for miscellaneous shopfitting/specialist items, etc听Item @ 拢150,000
Fitting out to customer restaurant (excluding catering equipment)听300 m² @ 拢835
Fitting out to staff WCs听Item @ 拢16,000
Fitting out to staff dining room听Item @ 拢45,000
Allowance for fit-out to staff offices / meeting room / training room听Item @ 拢15,000
Allowance for racking to bulk stock areas听Item @ 拢50,000
Compactor听Item @ 拢8,000
Water installations	30,000	3.98	0.59
Allowance for plumbing and water installation听Item @ 拢30,000
Services equipment	734,800	97.58	14.60
Refrigeration distribution installation complete; including pipework and installation听Item @ 拢150,000
Refrigeration plant, including packs and condensers (2nr 200kW dual temperature systems)听Item @ 拢140,000
Refrigeration cabinets to shopfloor, including mixture of full height glass door cabinets, opentop cabinets, etc听4,645 m² @ 拢85
Packaged coldstores including controls, etc听Item @ 拢50,000
Space heating, air treatment and ventilation	468,900	62.27	9.32
Ventilation ductwork including insulation, grilles, diffusers, etc听7,530 m² @ 拢26
Air treatment plant, air handling units and central boiler plant supplying听18 m2/s at 30degC 7,530 m² @ 拢21
Pipework to heating system听Item @ 拢95,000
Allowance for special attenuation听Item @ 拢20,000
Electrical installation	507,500	67.40	10.08
Mains and sub-mains听7,530 m² @ 拢11
Trays and trunking听7,530 m² @ 拢6
Small power听7,530 m² @ 拢7
General lighting to sales floor (800-1,000 lux)听4,645 m² @ 拢28
Allowance for feature lighting to sales floor听4,645 m² @ 拢10
Back of house lighting听2,885 m² @ 拢15
Power to services installations; containment听Item @ 拢27,000
Allowance for electrical works to specific departments / customer restaurant听Item @ 拢80,000
Lift installations	100,000	13.28	1.99
Allowance for 8 person goods lifts to first floor听2nr @ 拢30,000
Scissor lift to service yard听Item @ 拢20,000
Dock levellers / shelters听2nr @ 拢10,000
Protective installations	154,600	20.53	3.07
Allowance for sprinkler installation听7,530 m² @ 拢20
Earthing and bonding听Item @ 拢4,000
Communications installation	154,400	20.50	3.07
Fire alarm installation听7,530m² @ 拢8
Public address system听7,530m² @ 拢1
Telephone installation听Item @ 拢5,000
Structured cabling听Item @ 拢20,000
Allowance for CCTV installation听19nr @ 拢1,400
Security Tagging听Item @ 拢35,000
Special installations	270,000	35.86	5.37
BMS / controls听Item @ 拢85,000
Allowance for catering equipment to customer restaurant (115 covers)听Item @ 拢185,000
Builder's work	150,000	19.92	2.98
Allowance for builder's work in connection with services say @ 6%听Item @ 拢150,000
Preliminaries and contingency	578,000	76.76	11.49
Contractor's site establishment and supervision @ say 6%听Item @ 拢267,000
Contractor's overheads and profit @ say 4%听Item @ 拢189,000
Contingency @ say 2.5%听Item @ 拢123,000
TOTAL CONSTRUCTION COST (Rate based on GIFA of extended store)	5,032,400	668.30	100.00

New build supermarket with 50,000 ft² sales area
听	element cost	cost/m² gfa 拢	% of total cost
External works	听	听	听
Site works	797,000	105.84	28.98
Allowance for site preparation听22,000 m² @ 拢9
Tarmac surfacing to car park and access road听13,000 m² @ 拢20
Concrete surfacing to service yard听1,200 m² @ 拢35
Paving to front of store听800 m² @ 拢40
Signage and street furniture听Item @ 拢50,000
Trolley bays听Item @ 拢5,000
Allowace for soft landscaping, including topsoiling听Item @ 拢140,000
Boundary fencing听Item @ 拢70,000
Drainage	132,000	17.53	4.80
Allowance for drainage and sewer connections听22,000 m² @ 拢6
External services	331,000	43.96	12.04
BWIC underground services听Item @ 拢61,000
External lighting installations including BWIC听15,000 m² @ 拢8
Allowance for utilities supplies, directs and diversions听Item @ 拢150,000
Minor building works	1,165,000	154.71	42.36
Allowance for stand alone substation/pump house; complete听Item @ 拢15,000
Allowance for 6 pump PFS, including car wash and jet wash听Item @ 拢450,000
Allowance for kiosk听Item @ 拢450,000
Allowance for section 106 / 278 works听Item @ 拢250,000
Preliminaries and contingency	325,000	43.16	11.82
Contractor's overheads, site establishment and supervision @ say 8%听Item @ 拢194,000
Contingency @ say 5%听Item @ 拢131,000
TOTAL CONSTRUCTION COST (External works only, rate based on GIFA)	2,750,000	365.20	100.00
TOTAL CONSTRUCTION COST (Rate based on GIFA)	9,589,400	1,273.48	听

Cost breakdown
听	element cost	cost/m² gfa 拢	% of total cost
Supermarket extension	听	听	听
Works to existing	215,000	28.33	4.20
Allowance for repairs and alterations to existing shell, including redecoration听Item @ 拢215,000
Extension to shell	1,241,300	163.54	24.26
Extension to rear sales wall including removal of equipment; demolition of existing; pad foundations and floor slab, steel frame, external walls and doors to match existing, tiled roof structure, incorporation of new M&E with existing systems, internal finishes听280 m² @ 拢690
Ditto to non-entrance side extension听1,115 m² @ 拢940
Fitting out	2,575,800	339.37	50.35
Part refurbishment / part new shopfitting to existing sales area and new shopfitting to extended area including M&E works听4,365 m² @ 拢535
Allowance for changes to back-up areas听Item @ 拢175,000
Internal finishes, branding and signage听4,365 m² @ 拢15
External works	280,000	36.89	5.47
Allowance for external works, including groundworks, foul and surface water drainage, services diversions, fencing, and street furniture听Item @ 拢280,000
Preliminaries and contingency	804,000	105.93	15.72
Contractor's overheads, site establishment and supervision @ say 13%听Item @ 拢560,000
Contingency @ say 5% Item @ 拢244,000
TOTAL EXTENSION COST (Rate based on GIFA of extended store)	5,116,100	674.06	100.00
Supermarket refurbishment	听	听	听
Remedial works / finishes	1,028,800	823.04	52.29
Removal of existing asbestos contaminated ceiling and replacement with metal tile suspended ceiling; to sales floor听1250 m² @ 拢130
Repair and make good existing sales area floor finishes, including overlay with vinyl, 1250 m² @ 拢85
Additional lighting to sales floor听Item @ 拢45,000
Refrigeration plant / infrastructure costs听Item @ 拢155,000
Upgrade / remedial works to M&E services听Item @ 拢385,000
Internal finishes, branding and signage听Item @ 拢60,000
Alteration works to existing customer entrance听Item @ 拢50,000
Changes to back-up areas听Item @ 拢65,000
Fitting out	497,800	398.24	25.30
Refurbishment of store including new and reused shopfittings; associated M&E works听1250 m² @ 拢305
Allowance for new checkouts听Item @ 拢65,000
Allowance for new staff restaurant and other back of house works听Item @ 拢50,000
External works	25,000	20.00	1.27
Allowance for limited external works听 Item @ 拢25,000
Preliminaries and contingency	416,000	332.80	21.14
Contractor's site establishment and supervision @ 10%听Item @ 拢155,000
Additional cost of nightworks and 24hr working听Item @ 拢50,000
Allowance for special attendances听Item @ 拢40,000
Contractor's overheads and profit @ 4.5%听Item @ 拢77,000
Contingency @ say 5%听Item @ 拢94,000
TOTAL REFURBISHMENT COST (Rate based on sales floor area)	1,967,600	1,574.08	100.00

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