William Canynge House

William Canynge House is situated in the heart of Bristol’s commercial business district. Comprising a modern building with period style façade, in close proximity to Queen Square, Temple Quay and Temple Meads railway station. The premises offer two well-lit, modern, ground floor open plan offices which have recently undergone internal refurbishment – available either in part or as a whole suite. The offices provide new carpeting and redecoration throughout, VRF air conditioning and suspended ceilings with flat panel LED lighting. The premises also benefit from 16 designated car parking spaces.


Iesis Structures were appointed to assess the mezzanine floor structure for the innovative dome-shaped sustainable timber homes produced by HALO for use in the UK. The elegant structural timber construction incorporates bow-string timber trusses to support the floor and cantilever spiral stair treads.

West Street

This Rengen Developments project in Old Market, Bristol comprises new build commercial on the ground floor with 10 no 1 and 2 bedroom apartments above, situated on the site of an existing 1960s Post Office building. Iesis Group is appointed as project managers and quantity surveyors, with the Iesis Special Structures providing structural engineering services.

Abbey Wharf

Iesis Structures provided structural design services for the re-development of an industrial site in Alperton, west London, sited on the Grand Union canal. The development comprises 136 residential units along with retail units on the street frontage. A reinforced concrete flat slab was selected for the superstructure to maximise floor to ceiling space and allow flexibility of services distribution. The landscape proposals required negotiation with the Canal and River Trust to agree the scope of structural works required to the existing canal wall.


Boston Road

This prestigious 320 unit 7 storey mixed use scheme in Ealing comprises five blocks with green roofs, roof terraces and commercial space at ground floor.

Huller and Cheese

Huller and Cheese is the transformation of the Grade II listed Huller House and its counterpart, the Cheese Warehouse; a building identified of special architectural merit due to its Hennebique reinforced concrete structure. These two distinct buildings have been converted to create an exciting collection of 50 contemporary one, two and three bedroom apartments overlooking Bristol’s Floating Harbour. Featuring exposed brick & ironwork in Huller House, to oversized windows and concrete columns in The Cheese Factory, the blend of the original features with stylish modern fittings offers unique and elegant homes. With the addition of two brand new storeys crowning the building, 6 outstanding and spacious penthouse apartments have been created with a top of the range specification.


Dunstable Road

This landmark redevelopment in the centre of Luton close to it’s railway station will provide 183 new apartments marketed towards technology workers in Kings Cross. The building comprises a 12-storey tower and 8-storey podium and includes for car parking, landscaped amenity space, car club and gym. Iesis Group have led the project through the design and planning stage. We are currently finalising procurement of the enabling works packages as well as the main contractor.

Weirside Court

A four-storey block of student accommodation in Bath is on schedule to be built in time for the next academic year. We are working with Developer McLaren Property build 32 studio flats situated off Lower Bristol Road, which will be located next door to the 330-bed halls of residence named Twerton Mill.

Montem Square (Rosemary Lodge)

Montem Square is a collection of seven boutique residential houses in the heart of Wimbledon and close to Wimbledon Village, and the Wimbledon Lawn Tennis Club. The properties are spacious and complement the exisitng heritage. The properties include a cinema room, gym together with four bedooms and ensuite bathrooms with rear gardens and sensitve planting to the front. Iesis provided Employer’s Agent and Quantity Surveying services from initial planning consent.

Longbrook Street

A luxury 25 studio student scheme on Longbrook Street situated in the heart of the town centre of Exeter where Iesis Group acted as Project Managers, Quantity Surveyors and Employer’s Agents as well as Civil & Structural Engineers.

Jacob’s Brewery

The Jacob’s Brewery project comprised the refurbishment of an existing building, demolition of an in-set warehouse and construction of new build student accommodation. This scheme is constrained on all sides by legacy structures making sequencing extremely challenging and requiring detailed SE assessment.

1-4 Canal Bridge

A fine example of modern, new-build student accommodation located at Canal Bridge in the popular area of Widcombe in the centre of Bath. With the development fronting onto Pulteney Road which boasts an eclectic mix of shops, restaurants and cafes, the exterior of the Canal Bridge scheme is in keeping with its World Heritage Site surroundings yet with modern interior design and features.

One Molyneux

One Molyneux in Marylebone in the heart of London involved the redevelopment of an existing Art Deco style building into 30 contemporary apartments. Given that the scheme incorporates an entire corner plot, detailed logistics and delivery sequencing was a key element of the development.

Bolingbroke Terrace & Searcy House

This development comprises the demolition of existing commercial properties to build a mixed-use scheme incorporating 30,000 sq ft residential accommodation and commercial space. This site has a number of challenging aspects associated with complex basement, highways and party wall issues. This necessitated sophisticated phasing in order to allow occupation of a site whilst residual works were ongoing with Iesis comprehensively involved from start to finish.

Greenwich Millenium Village

Iesis Special Structures are providing Civil and  Structural Engineering services for this prestigious redevelopment on the Greenwich Peninsula in London. The phased development comprises a mix of residential properties from low rise houses up to 11 storey apartment blocks. Iesis Special Structures have worked closely with the geotechnical specialists to produce efficient foundations despite challenging ground conditions.


Palace View Lambeth

This redevelopment of a significant site in central London situated next to Lambeth Palace, involves the reuse of the existing building foundations and basement retaining walls, an approach bringing significant cost savings to the substructure works. The superstructure is formed as post-tensioned concrete floor slabs to increase allowable spans between columns and decrease the requirements for transfer structures.

Westminster Quarter

Westminster Quarter is a prestigious residential development in the heart of Westminster where a full basement extends over the entire site footprint with three large concrete framed residential blocks above. The issue of ground water was a major consideration leading to a secant piled solution with a major transfer at ground floor to convert the structural grid from residential to car parking. Complex boundary conditions were a key factor on all perimeters.

Clapham Park Estate

The Clapham Park Estate project involved the refurbishment of one of London’s largest housing estates. Located in Clapham, the scheme featured the addition of new lift cores, balconies and masonry repairs to the existing four and five storey post war masonry buildings as well as modifications to external works and drainage.

Tollgate Gardens

Tollgate Gardens is a landmark residential scheme in Maida Vale in central London involving refurbishment and new builds. This urban site presented a number of design and detailing challenges requiring five new reinforced concrete apartment blocks as well as the refurbishment of the existing Tollgate House building. The blocks vary in height from four to 10 storeys and are supported on piled foundations. A complex transfer substructure was also required to bridge an existing trunk sewer which crosses the site.

Millbrook Park

Civil & Structural Engineering services for the development of this North London site. The project involves the construction of a new 7-storey concrete framed apartment block with basement car parking and a landscaped podium. The building is cut into the slope with retaining walls at the top end of the site in excess of 6m deep. Careful planning and detailing of the temporary works allowed a secant wall to be constructed around the basement despite the proximity of the adjacent highways and amenity spaces.

Brighton Ibis Hotel

This scheme involved the demolition of an existing casino adjacent to the railway station in the centre of Brighton, and construction of the new 140-bed Ibis Hotel. The site was constrained on all four sides by an adoptable highway and terraced buildings. Complex and careful sequencing was therefore vital to this project’s success, necessitating considerable site interrogation prior to commencement.

Raf Croughton

A unique project at A RAF Coughton delivering the design for this new steel framed medical and dental facility where the requirements of European and American antiterrorism standards had to be met as part of the brief to produce an efficient, functional structure.

Victoria & Albert Museum

Iesis Special Structures have provided structural design services for a number of projects within the listed buildings of the V&A at both the main site on Exhibition Road and at Blythe house in Olympia. Details included a new mezzanine within the listed North Court area of the museum where a key challenge was for all supporting structures to be constructed over the underlying listed tiled flooring which had to remain protected throughout. A new storage facility was also delivered at the museum’s Olympia facility.

Regents Canalside

Iesis Special Structures provided Civil & Structural Design for this eight storey residential project on a constricted urban site adjacent to the Regents Canal in Camden. The sub-structure solution utilises a reinforced concrete raft on a combination of new and existing piles, providing an economical and efficient foundation. A reinforced concrete flat slab design with slender floor plates and blade columns maximise floor to ceiling space and allow flexibility of services distribution. The development of the site required the diversion and build over a Thames Water combined sewer, plus close interaction with the culverted River Fleet trunk sewer.

Regents Park Estate

Part of the re-development of the Regents Park Estate to accommodate the HS2 routing, we are working with London Borough of Camden and Lovell on 8 separate sites within the re-development. Each of the sites has its own challenges of the type associated with inner city regeneration – adjacent buildings, basements, services diversions, in addition to Thames Water sewer and BT trunk build-overs. A full BIM design approach has been adopted using Tekla Structural Designer, Safe and Revit to produce the frame designs and coordinate with other disciplines. Ranging in size from 3 to 11 storeys, the structures have been designed as reinforced concrete frames supported on piled foundations to accommodate the challenging geometry and transfer structures bridging the existing services.

Broadlands Road

Iesis Structures provided structural design services for this extensive refurbishment of a Grade II listed house in the Highgate conservation area. Works included recombining the  two properties into a single family home, requiring reversing previous alterations, along with the addition of a rear extension and garage.

Christ Church School

The Christ church School project in Hampstead in north London involved the refurbishment of a Grade 2 listed school which included the construction of a new mezzanine floor structure. Adjustments to existing roof trusses were made as well as the replacement of several key structural walls with new steel frame structures.

Brockley Road

Iesis Structures provided structural and civil engineering design services for the re-development of a former petrol station site in Brockley in south London into new residential units. The structure was a composite steel frame up to first floor level supporting load bearing SIPs panels above. For this project we utilised vibro-stone ground improvement techniques in place of traditional piling solutions to reduce the cost of the substructure works.

North Circular Road site 6

The North Circular Road Site 6 project is part of a larger regeneration of the area bordering the North Circular Road in Enfield, North London. Site 6 consists of 95 mixed tenure residential units split in to four blocks varying between 3 and 5 storeys in height. The site was heavily contaminated and had a significant fall in level across the site but through optimisation of the site levels it was possible to minimise the amount of material required to be taken off site and create significant cost savings. The four residential blocks were formed as reinforced concrete frames with localised transfer slabs to achieve the large spans above the access roads which pass beneath several of the blocks. The use of integrated finite element modelling and Revit allowed for a lean efficient design and aided collaboration within the design team.

Wren Academy

Delivery of a new three storey steel frame and composite metal deck extension to this existing secondary school in north London to create a new primary and early years facility. Careful detailing and foundation coordination was required owing to the sloping site and close proximity of the existing school building, boundary conditions, existing telecommunications mast and services.

Carlton House

Iesis Structures are providing Civil & Structural Engineering services for this new development close to East Putney tube station in South London. The scheme involves the demolition of the existing office building and the construction of a new eleven storey concrete frame structure with a deep single storey basement. The tight urban site required careful consideration of adjacent party wall structures when determining the sequencing of the construction and temporary works design. The development incorporates commercial space at the lower three levels with residential units and landscaped roof terraces above.

Yeoman Street

The Yeoman Street scheme in the Surrey Quays area of London is a five-storey concrete framed residential building in Surrey Quays constructed on a very tight urban site involving offset foundations and the detailed assessment of a 4m high-retaining wall. The existing mass concrete wall was assessed for stability and condition before being carefully repaired and refinished.

Lynwood Care Home

Iesis Structures were appointed provide the structural design to 3 new blocks as part of the regeneration of the existing carehome.



Berghaus Stair

This project involved the design and detailing of an innovative concrete cantilever table and floating staircase in the refurbishment of their existing office facility.

GMV Energy Centre

Plot 504 will provide an energy centre which will be the new beating ‘heart’ for GreenwichMillennium Village.

The energy centre, using combined heat and power (CHP) technology with thermal stores and highefficiency boilers and pumps, will deliver the heating and hot water requirements for GMV via anunderground district heating pipe network. The energy centre will also provide clean electricity to GMV.

The energy centre will be a gateway feature to the GMV community. It will be up to 16m in height, built of brick with a coloured stainless steel flue (rising to 26m high) encased in metal cladding as used on Plots 103, 104 and 210 and featuring illuminated Greenwich Millennium Village signage. The pitched roofline offers glimpses of the energy centre’s biodiversity roof.


Errol Street

Iesis Structures provided Civil & Structural Engineering services for the redevelopment of this central London site close to Old Street roundabout. The scheme involved the demolition of the existing YMCA building and the construction of a new seven storey concrete frame structure with a deep single storey basement. The tight urban site required careful consideration of adjacent party wall structures when determining the sequencing of the construction and temporary works design. The use of a raft foundation allowed significant savings over the originally proposed piled solution making use of the stiffening effects of the original piled foundations.

London Lane

The construction of a six-storey building over a single storey basement on a congested site adjacent to a Network Rail viaduct on London Lane in Hackney. The basement and ground floor levels of the building provide commercial space with the upper floors residential apartments. In addition to the main block there are seven load-bearing masonry, three storey town houses to the rear of the site creating a central courtyard for the residents.


Islington Square

Iesis Structures provided structural design services for the re-development of this former Royal Mail sorting and delivery centre. Structural works involved the retention and refurbishment of the existing 6 storey post office building with significant alterations to the historic masonry and filler joist structure and the addition of a new residential floor forming rooftop penthouses and roof gardens.


St Marys Primary School

This project saw the construction of a new steel and composite deck teaching block for St Mary’s Primary School in Northamptonshire. The design allowed for offsite fabrication to ease construction which was carried out during term time.


Argyll Place

Providing Civil & Structural Engineering design services for this high-end residential development in Kensington where the development incorporates a terrace of three and four storey town houses over a full site basement car park. To the rear of the site are steel framed Mews Houses and to the east an affordable housing block with educational space at low level. Extensive use was made of precast concrete structure through the inclusion of precast retaining walls, columns and edge forms. To reduce build costs a reinforced concrete raft foundation was used.


73 Great Peter Street

Iesis Structures provided Civil & Structural Engineering services for the redevelopment of this central London site at 73 Great Peter Street. The scheme involved the demolition of an existing office block and the construction of a new seven storey concrete framed apartment block with basement gym, as well as drive through access to parking at the rear of the site. The project utilised precast concrete cladding to speed up construction on site and involved the reuse of the existing basement retaining walls to reduce the requirement for new piled retaining walls

Redmayne House

Iesis Special Structures are providing Civil & Structural Engineering services for the redevelopment of the Redmayne House site. The scheme consists of a large basement car park with four storeys of apartments above and a landscaped deck to the rear. The tight urban site required careful consideration of a particularly sensitive adjacent load-bearing masonry structure in the sequencing of the design and construction. The use of a raft foundation allowed significant savings over the originally proposed piled solution.

Leyton High Road

This development in Hainault, North London features the creation of six new blocks of accommodation for both private ownership and the housing association. A combination of traditional build and reinforced concrete has allowed rapid construction of the blocks while providing clear open spaces to the retail elements. Works adjacent to the railway station and lines involved working closely with Network Rail to agree designs and working methodology.

Dovehouse Court

The design of a new traditional build low rise residential development in Northolt, West London. By utilising a detailed settlement analysis it was possible to design and construct a raft foundation over an existing infilled basement to avoid the requirement for piling.

The Junction

Iesis Special Structures provided Civil & Structural Design for this 6 storey (plus basement) residential project on a tight urban site. The foundations were designed to minimise the effect of the building on the underlying London Underground tunnels through the use of a raft foundation bearing on the London Clay. A reinforced concrete flat slab design was utilised with slender floor plates to maximise floor to ceiling space and allow flexibility of services distribution.

Mermaid Maternity

Structural engineering design for the remodelling of this innovative maternity care facility. The project entailed the removal of internal structural elements to create open spaces within the centre, and justification of the existing structure for the support of new roof plant requirements.

Wellington Primary School

Iesis Special Structures provided Civil & Structural Design services for this three storey extension and new nursery block to this Victorian primary school building as a part of the Primary Capital Programme for London Borough of Tower Hamlets.

The Warehouse