HG Construction has secured a £76 million contract to deliver a major student accommodation and affordable housing development at Bollo Yard in South Acton, West London. Appointed by developer Hurlington Capital, HG Construction will deliver two residential blocks close to Acton Town station, combining a 21-storey student tower with a
Balfour Beatty Vinci (BBV) has completed a major weekend of engineering works on HS2, installing the final two 1,000-tonne viaduct spans over the M42 near Birmingham while simultaneously completing the roof structure of another major motorway crossing. The operation marked the culmination of four weekends of intensive construction activity and
A battery can reduce evening electricity purchases without making a house independent of the grid. It can also provide backup, but only through the right equipment and installation. Understanding those limits is part of choosing well, not a reason to dismiss storage. For UK households, solar battery storage involves an
HG Construction has secured a £76 million contract to deliver a major student accommodation and affordable housing development at Bollo Yard in South Acton, West London. Appointed by developer Hurlington Capital, HG Construction will deliver two residential blocks close to Acton Town station, combining a 21-storey student tower with a separate affordable housing building. The development will provide 429 purpose-built student accommodation (PBSA) beds alongside 95 affordable homes, creating a significant new mixed-tenure residential scheme in the London Borough of Ealing. Construction is moving forward following Gateway 2 approval from the Building Safety Regulator, an increasingly important milestone for higher-risk residential developments before building work can commence. HG Construction secured Gateway 2 approval for Block AB in just 22 weeks, enabling the contractor and development team to progress into the main construction phase. The project has been supported by a £112 million development finance package secured by Hurlington Capital and its joint venture partner V-Fund. Ealing Council has separately agreed a £29 million deal to acquire all 95 affordable homes, which will be made available at social rent. The combination of purpose-built student accommodation and social housing provides the scheme with a diverse residential mix, while its location close to Acton Town Underground station offers strong public transport connections across West London and into central London. HG Construction will draw on a number of its in-house specialist businesses during delivery, including its piling, crane, mechanical and electrical and offsite pod operations. The integrated approach will give the contractor greater control over several key construction packages while supporting coordination across the high-rise development. DMWR Architects is leading the technical design for Bollo Yard, while KS4 is providing project management, cost consultancy and employer’s agent services. The project adds to a growing pipeline of purpose-built student accommodation being delivered across London as developers respond to continued demand for professionally managed student housing. Importantly, the South Acton development will also deliver a substantial package of new social rented homes alongside the student accommodation. For HG Construction, the £76 million contract further strengthens its presence in the capital’s high-rise residential and PBSA markets, with the contractor bringing its specialist construction and offsite capabilities to another complex urban development. With regulatory approval and development finance now secured, Bollo Yard is set to transform the South Acton site with more than 500 new student and affordable homes. Building, Design & Construction Magazine | The Choice of Industry Professionals
Balfour Beatty Vinci (BBV) has completed a major weekend of engineering works on HS2, installing the final two 1,000-tonne viaduct spans over the M42 near Birmingham while simultaneously completing the roof structure of another major motorway crossing. The operation marked the culmination of four weekends of intensive construction activity and represents another significant milestone for HS2 infrastructure around Birmingham. At Water Orton, a 75-strong construction team installed two 45-metre-long viaduct spans, completing all six crossings required to carry the new high-speed railway over the M42. Each enormous span was assembled from 18 precast concrete segments manufactured at BBV’s Kingsbury facility. Once assembled, the structures were transported into position using self-propelled modular transporters before being secured together using internal tensioning cables. The two Water Orton viaducts form part of HS2’s complex triangular delta junction, which will connect Birmingham with the main high-speed route heading north. While work progressed at Water Orton, another 150-strong BBV team was completing the final stage of a separate 300-metre-long twin box structure close to the NEC. A 300-tonne crawler crane was used to lift the final 44 precast beams into position. Measuring approximately 23 metres in length and weighing as much as 92 tonnes each, the beams form part of the structure’s substantial 9,800-tonne roof. In total, 175 beams have now been installed across the twin box. The completed structure stands approximately 10 metres high and is supported by two 145-metre-long walls and 46 internal columns. Careful programming allowed both major operations to take place during the same weekend motorway closure, minimising disruption to road users. The M42 reopened at approximately 4am on Monday, around an hour ahead of schedule. BBV project director Oliver Shore described the works as a “huge engineering challenge” and praised the teams involved in delivering the complex programme. Work at Water Orton will now move into its next phase, with BBV extending the Water Orton 2 viaduct by a further 40 metres to close the remaining gap above Gilson Road. Further activity over the motorway is already planned, with another M42 closure scheduled from 23 to 26 October to enable parapets to be installed above the carriageway. The latest milestone demonstrates the scale of temporary works, heavy lifting, off-site manufacturing and logistical coordination involved in constructing HS2 around existing strategic highways, with BBV continuing to progress some of the programme’s most technically demanding structures across the West Midlands. Building, Design & Construction Magazine | The Choice of Industry Professionals
A battery can reduce evening electricity purchases without making a house independent of the grid. It can also provide backup, but only through the right equipment and installation. Understanding those limits is part of choosing well, not a reason to dismiss storage. For UK households, solar battery storage involves an upfront cost, conversion losses and decisions about where equipment belongs. A useful home battery storage assessment weighs those drawbacks against measurable benefits, with safety features examined as part of the complete installation rather than as isolated claims. Put the drawbacks beside the intended benefit The value of solar battery storage depends on what the household needs to shift from one time of day to another. If little surplus is available, or most electricity is already used during solar hours, the battery may have less useful work to do. Upfront expenditure The Energy Saving Trust describes battery costs as dependent on type and size, with a broad range from £1,500 to £10,000. That range is context, not an OCEAN 2 Plus quotation. Obtain a property-specific installed price and compare identical scopes. Losses during operation Charging and discharging do not return every unit of input energy to appliances. The financial calculation should include those losses, plus any export income given up when solar is stored. Otherwise, the model exaggerates the value of each unit moved into the evening. A finite energy budget Storage shifts energy; it does not create it. A battery that empties on a dark winter evening needs another charging opportunity. Increasing capacity alone cannot compensate for a persistent shortage of solar input or an operating plan that leaves no suitable charging period. Examine the protection around the battery EcoFlow’s home battery storage product page describes ten protection layers for OCEAN 2 Plus, divided into six passive and four active layers. Read that alongside the operating instructions. A protection architecture is useful evidence about design, but it does not make every installation location appropriate. Cell chemistry The product uses lithium iron phosphate, commonly abbreviated LFP. Chemistry is one part of the safety design, alongside monitoring, protective devices and installation. Avoid describing any rechargeable battery as risk-free merely because its cell chemistry differs from that of another product. Fire detection and alarms PAS 63100:2024 includes fire-detection provisions for certain indoor battery locations, including requirements that may apply to infrequently visited areas such as store cupboards. Battery-app alerts should not be treated as a substitute for any fire detection or alarm measures required by the applicable design. The installer should confirm the requirements for the proposed location. Siting and fire separation Within its scope, PAS 63100:2024 gives preference to outdoor installation where reasonably practicable and places restrictions on certain indoor locations, including areas associated with sleeping accommodation and escape routes. Indoor installations may require additional assessment and protective measures depending on the proposed location. It is a technical specification, not a substitute for applicable law; verify its scope and the project’s design basis. Environmental protection EcoFlow specifies IP66 protection and indoor or outdoor options. Those statements do not remove temperature, access or siting requirements. The bottom-module immersion claim also has specified test conditions; it should not be interpreted as permission to install the whole system in a flood-prone position. Understand what backup does and does not promise For home battery storage, backup requires an agreed circuit arrangement and sufficient output. EcoFlow describes integrated backup and conditional 0 ms load-side switching under specified operating conditions. Those conditions and the applicable backup output limits should remain alongside the claim when comparing backup performance. Transfer speed does not establish how long appliances will run. Duration depends on available energy and demand. Nor does a rapid transfer prove that every appliance can start together. Ask the installer to demonstrate the actual protected circuits rather than relying on a general whole-home description. Compare trade-offs with explicit assumptions Use a small decision table to separate different benefits. Financial savings, outage support and future flexibility answer different questions. Combining them into one percentage hides the compromises, particularly when the same stored energy is reserved for backup and also counted as daily bill reduction. Reserve versus everyday use A larger reserve can improve outage readiness while leaving less energy for normal evening demand. Choose the reserve deliberately. Ask the supplier to model the setting you intend to use, rather than assuming the entire usable capacity is discharged for savings every day. Choice Potential benefit Trade-off Larger reserve Outage readiness Less daily use More capacity Longer supply Higher cost More automation Better scheduling Setup and monitoring Capacity versus utilisation Solar battery storage should be sized around recurring demand and charging opportunity. A larger battery may support a future appliance, but unused capacity still costs money. Compare today’s design with a clearly defined future scenario instead of assuming every possible household change will occur. Modularity can make expansion possible, subject to the supported configuration. Obtain the applicable limits for the UK equipment. Expansion should be a documented option with compatibility conditions, not a vague assurance that any additional battery can be fitted whenever convenient. Match efficiency assumptions to the charging route With AC-coupled solar, panel DC becomes AC before conversion back to DC for battery charging, then AC again for household use. DC-coupled solar can avoid that intermediate AC stage, although DC conversion and battery losses remain. Count the actual energy path rather than assuming lossless solar charging. Price assumptions matter As an illustration, buying at 10p/kWh and delivering energy with 90% round-trip efficiency gives an input cost of about 11.1p per delivered kWh. Avoiding a 30p import would leave roughly 18.9p before other costs. These are assumed rates, not a tariff offer. Grid charging requires AC-to-DC conversion and subsequent DC-to-AC supply to household appliances, including in a hybrid system with DC-coupled solar. Coupling architecture alone therefore cannot establish grid-charging efficiency. Losses depend on equipment, load, temperature and standby consumption, rather than a universal figure above 10%. For home battery storage, use an efficiency figure whose measurement boundary matches the calculation: