- ºÃÉ«ÏÈÉúTV
All the latest updates on building safety reformRegulations latest
- Focus
- Comment
- Programmes
- CPD
- ºÃÉ«ÏÈÉúTV the Future
- Data
2024 events calendar
ºÃÉ«ÏÈÉúTV Awards
Keep up to date
- ºÃÉ«ÏÈÉúTV Boardroom
All the latest updates on building safety reform
2024 events calendar
ºÃÉ«ÏÈÉúTV Awards
Keep up to dateCost model - OPTION A | |||
High-quality hard landscaping to circus quadrant including tented roof, steps, kiosks and ornamental pool, with associated street converted to covered mall | |||
Ìý | Element cost (£) | £/m2 gfa | % of total cost |
Preparatory works | 35 500 | 9.59 | 1.61 |
Breaking up tarmacadam road paving, removing paving flags, taking up kerbs, gulleys, etc, taking down lampposts, etc, and removing from site | Ìý | 1750 m2 @ | £10 |
Excavate over site to reduce levels and cart away | Ìý | 1500 m2 @ | £12 |
Pavings and landscaping | 474 500 | 128.24 | 21.55 |
50 mm sawn granite slabs 300 x 500 mm with flame textured surface finish bedded in granite dust and on 150 mm MOT type 1 granular filling | Ìý | 1550 m2 @ | £110 |
Ditto as curved steps 700 mm wide including granite riser and reinforced concrete steps below | Ìý | 350 m2 @ | £250 |
65 mm granite setts 200 x 100 mm bedded on 60 mm cement and sand screed (1:4), 150 mm 21 N/mm2 concrete bed and 150 mm MOT type 1 granular filling | Ìý | 700 m2 @ | £140 |
10 m high 350-400 mm girth semi-nature tree (£2000) in purpose-made aluminium planter | Ìý | 5 @ | £4,500 |
28 mm terrazzo tile pavings to mall area on 25 mm cement and sand screed (1:4) on 150 mm 21 N/mm2 reinforced concrete bed on granular fill | Ìý | 900 m2 @ | £90 |
Structures | 705 000 | 190.54 | 32.02 |
Steel-frame mast and tensioned Teflon (30-year life) tented structure spanning 40 m including foundations | Ìý | 600 m2 @ | £400 |
Kiosks (7 x 4 m) | Ìý | 3 @ | £25 000 |
Ornamental, irregular-shaped raised concrete pond clad in granite including central fountain, filtration and sterilisation equipment, underwater illumination and water supply, etc | Ìý | 200 m2 @ | £1,500 |
Concrete retaining wall 3 m deep on foundations to sides of sunken area, one side 2 m high and top-clad in granite | Ìý | 75 m @ | £1,200 |
Mall structures | 442 500 | 119.6 | 20.1 |
Double-glazed, fire-vented mall roof on supporting steelwork including rainwater goods | Ìý | 900 m2 @ | £400 |
Double-glazed aluminium curtain walls to ends of mall | Ìý | 150 m2 @ | £350 |
Extra over last for three sets of doors, two automatic sliding and one hinged | Ìý | 30 m2 @ | £1,000 |
Street furniture | 61 600 | 16.65 | 2.8 |
Granite benches 2 x 1 x 0.6 m including foundations | Ìý | 9 @ | £2,000 |
Stainless steel balustrading 1 m high | Ìý | 76 m @ | £250 |
Stainless steel handrail | Ìý | 10 m @ | £100 |
Granite bollards 1 m high | Ìý | 20 @ | £1,000 |
Stainless steel litter bins | Ìý | 4 @ | £9,000 |
Drainage and external services | 138 500 | 37.43 | 6.29 |
Surface water drainage to paved area including surface drains, recessed manhole covers and connection to sewers | Ìý | 3500 m2 @ | £15 |
General street lighting for an average 30 lux based on 5 m stainless steel columns @ 12 m centres and double-headed luminaires | Ìý | 2200 m2 @ | £20 |
Special lighting to tented area | Ìý | 600 m2 @ | £20 |
Public highway services and connections | Ìý | allow | £30 000 |
Additional services to mall | 143 900 | 38.89 | 6.54 |
Warm air curtains above mall entrances | Ìý | 6 @ | £4,000 |
Ventilation to mall | Ìý | 900 m2 @ | £60 |
Lighting to mall including emergency lighting and luminaires | Ìý | 900 m2 @ | £50 |
Smoke alarm detection system to mall | Ìý | 900 m2 @ | £5 |
Builder' work in connection | Ìý | allow | £20 000 |
Preliminaries | 200 000 | 54.06 | 9.09 |
Contractor's management and site staff, accommodation, overtime, protection, phasing and other preliminary costs - say 10% | Ìý | say | £650 |
Flush doors; non fire rated; solid core veneer faced; hardwood frames; ironmongery; complete | Ìý | 115 @ | £550 |
Allowance for services access panels | Ìý | Item @ | £5 000 |
TOTAL OPTION A | 114 400 | 14.48 | 1.3 |
TOTAL OPTION A (LESS TENTED STRUCTURE AND COVERED MALL) | 1 050 000 | 375 | 100 |
Cost model - OPTION B | |||
Good-quality hard landscaping to street and the circus quadrant including sunken area, raised planters and ornamental fountain | |||
Ìý | Element cost (£) | £/m2 gifa | % of total cost |
Preparatory works | 26 500 | 7.16 | 3.58 |
Breaking up as option A | Ìý | 1750 m2 @ | £10 |
Excavate over site to reduce levels and cart away | Ìý | 750 m3 @ | £12 |
Pavings and landscaping | 356 000 | 96.22 | 48.11 |
50 mm sawn Yorkstone paving slabs to pedestrian areas bedded on sand and 150 mm MOT type 1 granular filling | Ìý | 1540 m2 @ | £80 |
70 mm ditto to vehicular areas bedded on sand, 150 mm 21 N/mm2 concrete bed and 150 mm MOT type 1 granular filling | Ìý | 1750 m2 @ | £100 |
70 mm sawn Yorkstone curved steps 700 mm wide including yellow brick risers and reinforced concrete steps beneath | Ìý | 150 m2 @ | £200 |
Raised stone dias 6 m diameter on foundations | Ìý | allow | £6,800 |
6 m high 25-30 cm girth semi-mature tree (£1000) in aluminium planter | Ìý | 7@ | £3,000 |
Structures | 120 000 | 32.43 | 16.21 |
Ornamental circular raised concrete pond line internally with mosaics and externally with Yorkstone, otherwise as option A | Ìý | 75 m2 @ | £1,000 |
Yorkstone-faced concrete raised planters 4 m wide x 2 m high on 1 m deep foundations to sides of sunken area including imported fill and planting out | Ìý | 45 m @ | £1,000 |
Street furniture | 44 000 | 11.89 | 5.95 |
Stainless steel Woodhouse or equivalent seats 2 m long | Ìý | 10 @ | £1,500 |
Stainless steel railings comprising 1 m high plain bollards at 2.2 m centres with tubular barriers between | Ìý | 75 m @ | £350 |
Stainless steel illuminated MTR bollards 1 m high | Ìý | 10 @ | £700 |
Stainless steel litter bins | Ìý | 4 @ | £900 |
Street umbrellas | Ìý | 4 @ | £1,000 |
Stainless steel signpost with finial on foundations | Ìý | - | £950 |
Etched stainless steel finger signs | Ìý | 7 @ | £100 |
Drainage and external services | 127 500 | 34.46 | 17.23 |
Surface water drainage to paved area including surface drains, recessed manhole covers and connection to sewers | Ìý | 3600 m2 @ | £12.50 |
General street lighting as option A | Ìý | 3700 m2 @ | £17.50 |
Public highway services and connections | Ìý | allow | £18 000 |
Prelminaries | 66 000 | 17.84 | 8.92 |
As option A - 10% | Ìý | 3500 m2 @ | £15 |
TOTAL OPTION B | 740 000 | 200 | 100 |
Cost model - OPTION C | |||
Medium-quality hard landscaping to street and the circus quadrant including raised irrigated, grassed and shrubbed areas and a central illuminated sculpture | |||
Ìý | Element cost (£) | £/m2 gifa | % of total cost |
Preparatory works | 23 500 | 6.35 | 6.35 |
Breaking up as option A | Ìý | 1750 m2 @ | £10 |
Excavate over site to reduce levels and cart away | Ìý | 500 m3 @ | £12 |
Pavings and landscaping | 138 700 | 37.49 | 37.49 |
200 x 100 x 65 mm red clay paver to various patterns in pedestiral areas bedded on sand and 150 mm MOT type 1 granular filling | Ìý | 2100 m2 @ | £37.50 |
Ditto to vehicular areas bedded on sand, 150 mm 21N/mm2 concrete bed and 150 mm MOT type 1 granular filling | Ìý | 850 m2 @ | £47.50 |
200 x 133 x 65 mm blue/grey tactile brick pavers bedded on sand, 150 mm 21N/mm2 concrete bed and 150 mm MOT type 1 granular filling | Ìý | 30 m2 @ | £85 |
6 m high 25-30 cm girth, semi-mature tree (£1000) in tree pit | Ìý | 4 @ | £1,500 |
10 m high 35-40 cm girth, semi-mature tree (£2000) in tree pit | Ìý | 4 @ | £2,750 |
Structures | 40 400 | 10.92 | 10.92 |
Raised grassed areas on imported fill, irrigated and surrounded by 0.5 m faced brick bund wall on foundations | Ìý | 720 m2 @ | £45 |
Extra over last for shrubbed areas | Ìý | 200 m2 @ | £40 |
Street furniture | 52 700 | 14.24 | 14.24 |
Painted traditional cast iron-ended, three-place seat, 2000 m long as Dorothea or the equivalent with iroko slats | Ìý | 12 @ | £400 |
Painted traditional cast iron railing 1 m high to slow radius including setting standards in concrete | Ìý | 60 m @ | £220 |
Painted Victorian cast iron bollards 1 m high on foundations | Ìý | 7 @ | £300 |
Painted Victorian aluminium removable bollards 1 m high on foundations | Ìý | 4 @ | £400 |
Painted cast iron enclosed-top litter bins on foundations | Ìý | 4 @ | £600 |
Painted cast iron tree guard | Ìý | 4 @ | £250 |
Painted cast iron 1200 x 1200 m tree grating in frame | Ìý | 4 @ | £400 |
Painted Victorian cast iron sign post and finial on foundations | Ìý | - | £550 |
Painted sign fingers | Ìý | 6 @ | £75 |
Yorkstone and metal sculpture | Ìý | allow | £25 000 |
Drainage and external services | 81 000 | 21.89 | 21.89 |
Surface water drainage to paved areas including surface drains, recessed manhole covers and connection to sewers | Ìý | 3000 m2 @ | £10 |
General street lighting with painted cast iron Victorian columns @ 12 m centres | Ìý | 3700 m2 @ | £6 |
Floodlighting to sculpture | Ìý | 6 @ | £800 |
Public highway services and connections | Ìý | allow | £9,000 |
Prelminaries | 33 700 | 9.11 | 9.11 |
As option A - 10% | Ìý | 3500 m2 @ | £15 |
TOTAL OPTION C | 370 000 | 100 | 100 |
Cost model - OPTION D | |||
Economical hard landscaping to the circus quadrant including convered roof to open-air market, water and electrical supplies, public lavatories and refurbishment rather than pedestrianisation of street | |||
Ìý | Element cost (£) | £/m2 gifa | % of total cost |
Preparatory works | 13 000 | 3.51 | 1.6 |
Take off bitumen wearing course, lift existing pavings, part break up surfacing and cart away | Ìý | 1750 m2 @ | £4 |
Excavate over site to reduce levels and cart away | Ìý | 500 m2 @ | £12 |
Pavings and landscaping | 83 000 | 22.43 | 10.2 |
40 mm hot-rolled asphalt wearing course laid on roads | Ìý | 600 m2 @ | £5.50 |
400 x 400 x 65 mm modular concrete pavers to match existing pavements bedded on sand | Ìý | 260 m2 @ | £13 |
Re-align existing kerbs | Ìý | 110 m @ | £9 |
200 x 100 x 85 mm concrete block pavers as road hump 10 x 4 m including blister pavers at ends | Ìý | - | £3,000 |
200 x 100 x 85 mm concrete block pavers bedded on sand and 150 mm MOT type 1 granular filling | Ìý | 2850 m2 @ | £23 |
6 m high, 25-30 cm girth, semi-mature tree (£1000) in concrete planter | Ìý | 4 @ | £1,700 |
Structures | 525 000 | 141.89 | 64.5 |
Okalux sandwich panel open-market canopy roof on structural steel trees on precast concrete columns and foundations | Ìý | 900 m2 @ | £450 |
Automatic %22French%22 public conveniences (excluding £10,000 annual maintenance charge) on foundations | Ìý | 2 @ | £60 000 |
Street furniture | 4 900 | 1.33 | 0.6 |
2 m long precast concrete exposed aggregate seat, as Marshalls' Boulevard or equivalent, bolted down | Ìý | 4 @ | £350 |
Precast concrete circular bollards 1 m high | Ìý | 10 @ | £200 |
Precast concrete litter bins including lid | Ìý | 5 @ | £300 |
Drainage and external services | 114 100 | 30.84 | 14.01 |
Surface water drainage to paved area including surface drains, recessed manhole covers and connection to sewers | Ìý | 2800 m2 @ | £12 |
Lighting to underside of open market roof | Ìý | 900 m2 @ | £30 |
General street lighting with functional lights @ 12 m centres | Ìý | 2000 m2 @ | £4 |
Underground power supply to market stalls | Ìý | 42 @ | £250 |
Underground ring main and water supply to market stalls | Ìý | 42 @ | £500 |
Public highway services and connections | Ìý | allow | £14 000 |
Preliminaries | 74 000 | 20 | 9.09 |
As option A - 10% | Ìý | say | £650 |
TOTAL OPTION D | 814 000 | 220 | 100 |
TOTAL OPTION D (LESS OPEN MARKET STRUCTURE AND TOILETS) | 148 000 | 40 | 100 |
ALTERNATIVE ELEMENT SPECIFICATIONS | |||
Ìý | Element cost (£) | £/m2 gifa | % of total cost |
Pavings and landscaping | Ìý | Ìý | Ìý |
50 mm standard precast concrete 600 x 750 mm grey paving flags bedded sand | 260 m2 @ | £11 | -0.14 |
50 mm landscaped textured 600 x 600 mm natural-coloured paving flags with Cornish granite aggregate finish bedded on sand | 260 m2 @ | £22 | 0.63 |
50 mm landscaped ground 600 x 600 mm coloured paving flags with Cornish granite aggregate finish bedded on sand | 260 m2 @ | £30 | 1.2 |
80 mm cobblestone sets bedded in cement mortar (1:3) thick on sand on 150 mm MOT type 1 granular filling | 600 m2 @ | £90 | £13.70 |
Precast concrete kerbs on foundations | 110 m @ | £18 | 0.27 |
Granite kerbs on foundations | 110 m2 @ | £45 | 1.07 |
Two course of flush granite kerbs 400 mm wide on foundations | 110 m2 @ | £85 | Ìý |
Structures | Ìý | Ìý | Ìý |
Steel framed mast and tensioned PVC (15-year life) tented structure spanning 40 m including foundations | 600 m2 @ | £300 | -16.22 |
Tensioned structural timber curved canopy, spanning 40 m plywood clad with waterproof covering and including foundations | 600 m2 @ | £500 | 16.22 |
Painted cast iron and steel decorated and glazed canopy 3 m wide to building facade with outer decorated columns | 120 m @ | £1,500 | 48.65 |
Painted cast iron and steel decorated domed eight-column canopy 3.2 m high on foundations | - | £35 000 | 9.46 |
Traditional cast iron fountains | @ | £5000 - 20 000 | - |
5.5 m span painted cast iron bandstand (£30 000) on faced brickwork plinth and foundations | - | £50 000 | 13.5 |
28 m span painted steel and glass octagonal latticed girder market canopy on steel columns including central clock turret and foundations | 600 m2 @ | £700 | 113.5 |
4.2 m long fabricated painted steel civic bus shelter covered on one side and top with polycarbonate sheeting | - | £5,000 | 1.35 |
2.5 x 2 m electronic information board (EIB) on posts and foundations | - | £13 000 | 3.5 |
Traditional brick-faced toilet block comprising 2 female WCs, 1 male WC, 4 urinals and 1 disable toile on and inlcuding foundations | - | £80 000 | 21.62 |
Street furniture | Ìý | Ìý | Ìý |
Hardwood picnic bench and table set | - | £550 | 0.15 |
Hardwood slated benching 3 m radius around tree | - | £6,000 | 1.62 |
Aluminium flagpoles 12 m high on foundation | - | £1,200 | 0.33 |
REGIONAL FACTORS | |
All costs in this article are based on a scheme in the South East and should be adjusted by the following location factors for schemes in other regions: | |
Region | Factors |
Inner London | 1.12 |
Outer London | 1.06 |
East Anglia | 0.98 |
East Midlands | 0.96 |
Northern | 0.98 |
Northern Ireland | 0.84 |
North West | 1.02 |
Scotland | 1.04 |
South East | 1 |
South West | 0.98 |
Wales | 0.96 |
East Midlands | 0.97 |
Yorkshire and Humberside | 0.98 |
Site powered by