Professional new build inspections across City Road, Old Street and the Silicon Roundabout area of Islington








EC1V is one of the most active new build postcodes in central London. The 995-apartment 250 City Road development by Berkeley - a pair of 42 and 36-storey towers designed by Foster + Partners - has dominated the skyline here since its phased completion from 2024. Prices start from £840,000. Yet independent buyer reviews give the development a rating of 2.95 out of 5, with residents reporting heating system inefficiency and build quality below what the price suggests.
Our inspectors carry out pre-completion snagging surveys across EC1V, examining new build apartments for the defects that can be costly to rectify after legal completion. EC1V's high-rise towers present specific inspection requirements: smart home controls, under-floor heating and cooling systems, mechanical ventilation, and high-specification kitchen and bathroom finishes all need testing before you hand over completion funds.

£831,335
Average House Price (EC1V)
Rightmove, to December 2025
£840,000
New Build Entry Price
250 City Road, Berkeley (from)
3,228
Tech Firms per km²
EC1V - UK's highest tech postcode density
93.7%
New Build Buyer Defect Rate
Percentage reporting problems after moving in
Berkeley's flagship EC1V development at 250 City Road - with prices from £840,000 and service charges of £7.30-7.67 per square foot annually - has received a HomeViews resident rating of 2.95 out of 5. Buyers have specifically cited slow and inefficient heating systems, and reported that overall build quality does not justify the purchase price. Developers of landmark luxury towers are not immune to snagging defects: high-profile amenity packages (20-metre pools, spa facilities, smart home controls) add complexity and additional failure points. A professional snagging inspection before completion gives you documented grounds to require the developer to rectify defects at their cost, rather than yours.
EC1V stretches from the eastern edge of Clerkenwell to Old Street roundabout - ground zero for the Silicon Roundabout tech cluster, which houses 3,228 tech firms per square kilometre. The postcode sits within Islington and covers City Road, Goswell Road and the streets around St Luke's church. The resident population is highly educated and professional, reflecting the proximity of the tech sector.
The housing stock is predominantly post-1980 flats, but the postcode spans a real range: Victorian industrial conversions on Goswell Road, smaller purpose-built apartment blocks from the 1990s and 2000s, and now the landmark 250 City Road towers. Newer boutique schemes continue to appear along City Road and the surrounding streets.
Older period properties in EC1V - Georgian terraces, Victorian conversions and pre-1980 Islington flats - need a RICS Level 2 or Level 3 building survey rather than a snagging inspection. The distinction matters because the two survey types address fundamentally different questions: snagging focuses on finish and installation quality in new builds, while building surveys assess structural condition in existing properties.
High-rise new build apartments in EC1V have inspection requirements that differ from lower-rise schemes. Smart home systems, under-floor heating and cooling, mechanical ventilation with heat recovery (MVHR), and high-specification kitchen and bathroom finishes all need systematic testing. Our inspectors work from a structured checklist designed for multi-storey residential developments.
For apartments in developments with premium amenities - concierge, pool, spa, screening rooms - the communal facilities are typically the management company's responsibility, not the individual apartment buyer's. However, we note any visible communal area defects during our visit that the residents' management company should pursue with the developer.

London Zone 1 postcodes carry a standard £50 surcharge. High-rise units with smart home systems or premium finishes may require additional inspection time. Thermal imaging available as an add-on from £75. UK average from HomeOwners Alliance and CompareMyMove 2026.
When you buy at EC1V prices - where apartments start at £840,000 at 250 City Road and service charges run to thousands of pounds annually - unresolved defects compound year on year. Heating systems that underperform from day one, tiles that debond within months and ventilation systems that fail to reach design airflow rates do not get cheaper to fix with time. The two-year NHBC defect liability window closes regardless of whether defects have been properly documented.
A professional snagging report provides a timestamped, independently produced record that carries weight in formal correspondence with the developer. Where the NHBC Resolution Service or Consumer Code adjudication becomes necessary, a professional report is more effective than a personal complaint. Several major London developers have changed their response to snagging items when presented with a formal inspection report.

The ideal window for a snagging survey is after the property is physically finished but before legal completion. At larger developments like 250 City Road, phased completions mean individual unit release dates vary. Check with your solicitor when your unit will be available for inspection - we can book on short notice once you have a confirmed date.
Use our online form to request a survey date in EC1V. We maintain short-notice availability across City Road, Goswell Road and the surrounding area, with inspectors experienced in high-rise residential developments.
For a two-bedroom apartment in a development like 250 City Road with smart home controls and under-floor heating, expect the inspection to take 2-3 hours. The inspector tests all systems that are accessible and operational, and photographs every defect found.
You receive a full written report by email, with defects listed by room and cross-referenced to photographs. The report distinguishes between items requiring immediate developer remediation and minor items that can be addressed post-completion.
Forward the report to your developer and solicitor, requesting a written schedule. Once works are confirmed complete, a brief re-inspection confirms the defects have been properly resolved before you complete and the two-year liability clock begins.
For a one or two-bedroom apartment in EC1V, snagging surveys typically cost £370-£425. Larger two or three-bedroom apartments with smart home systems, under-floor heating and cooling, and premium kitchen and bathroom finishes take longer to inspect and typically cost £425-£480. Penthouse units and large duplexes run £550-£600. London Zone 1 postcodes carry a standard £50 surcharge. At 250 City Road entry prices of £840,000, the inspection fee is under 0.05% of the purchase price. If the survey identifies defects requiring contractor remediation - which it does in over 90% of new build inspections - the cost of the survey is typically recovered from a single item alone.
Yes. Our inspectors work across all new build developments in EC1V, including 250 City Road. For the Berkeley development on City Road, independent resident reviews have specifically flagged heating system performance and build quality concerns - both areas where a pre-completion inspection can identify problems while the developer is still contractually obligated to address them. For a large phased development like 250 City Road, we recommend booking your inspection for your specific unit's release date rather than waiting for the development to be fully complete.
High-rise new build apartments in EC1V have several features that add inspection complexity. Smart home systems with touch controls for lighting, climate and entertainment need individual testing. Under-floor heating and cooling systems require testing for even temperature distribution and responsive controls. MVHR systems need airflow measurement rather than a simple visual check. High-specification kitchens with integrated appliances require each appliance to be tested. Balconies on upper floors need careful checking of drainage, balustrade fixings and door seals - areas where failures have serious consequences. None of these are beyond the scope of a professional snagging survey, but they mean the inspection takes longer than a basic new build flat.
Yes - in a direction that makes snagging more rather than less important. When you buy during a price correction, you are acquiring an asset at a discount to its recent high - and you want to protect that investment. Unresolved defects reduce the property's value, complicate future sales, and become more expensive to fix as time passes. The developer's two-year defect liability ends regardless of market conditions. At current EC1V average prices of £831,335, a snagging survey at £400-£480 costs 0.05-0.06% of the purchase price - the same arithmetic applies whether you bought at peak in 2021 or at today's prices.
Yes. A snagging survey can be carried out at any point during the first two years of ownership, and defects remain the developer's responsibility under NHBC Buildmark throughout this period. Post-move surveys are actually easier to arrange in some respects because you control access. The main limitation is time: the two-year NHBC defect liability period applies to cosmetic and finish defects, so the earlier you document issues the more time you have to pursue remediation. Structural defects are covered for a further eight years, but finish and fitting issues need to be raised before the two-year mark.
In high-specification new build apartments in the EC1V area, the most common defects our inspectors find are: heating and cooling systems that do not perform to design specification; bathroom tile adhesion failures, particularly at bath and shower tray edges; MVHR systems with restricted airflow due to installation errors; balcony door seals that fail to compress properly; smart home system integration issues where controls do not respond consistently; and kitchen unit misalignment and worktop join failures. Water ingress around window frames is also common. These are all defects that developers can address at low cost before completion but that become significantly more expensive to rectify once the apartment is occupied.
Most developers carry out their own inspection before releasing a unit to a buyer - this is typically called a quality assurance or sign-off inspection. The developer's inspector works to the developer's interests: they are employees or contractors paid by the developer to sign off units for release. An independent snagging surveyor works to your interests and has no financial incentive to minimise defect findings. In practice, independent inspections consistently find defects missed by developer sign-off inspections. The NHBC's own research indicates that most new build properties have defects at completion - a finding that supports the value of independent inspection regardless of the developer's internal quality process.
Property surveys for every type of home in the EC1V postcode - new builds to Victorian conversions
From £450
Homebuyer survey for period conversion flats and older apartment buildings in Islington and the Old Street area
From £650
Full structural inspection for Victorian warehouses, older conversions and any EC1V property with known condition issues
From £65
Energy Performance Certificate for landlords and sellers in EC1V - required before letting or marketing any property
From £300
RICS valuation for Help-to-Buy equity loan repayment on new build flats in EC1V - required before staircasing
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Professional new build inspections across City Road, Old Street and the Silicon Roundabout area of Islington
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Homemove is a trading name of HM Haus Group Ltd (Company No. 13873779, registered in England & Wales). Homemove Mortgages Ltd (Company No. 15947693) is an Appointed Representative of TMG Direct Limited, trading as TMG Mortgage Network, which is authorised and regulated by the Financial Conduct Authority (FRN 786245). Homemove Mortgages Ltd is entered on the FCA Register as an Appointed Representative (FRN 1022429). You can check registrations at NewRegister or by calling 0800 111 6768.