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Fixed prices in writing

Smart Export Guarantee, G98 & G99 in Maidstone

In Maidstone, we assess your solar or battery system, confirm whether G98 notification or G99 approval applies, and supply the certificates and network paperwork needed for SEG applications. It can be worthwhile where export payments, smart-meter compatibility and system settings support your expected returns, but tariffs aren’t guaranteed. We provide a free survey and written quote before work, including any remedial electrical upgrades. Below, we explain costs, timescales and local property considerations.

Newly installed consumer unit with RCBO protection in a Kent home
Domestic electrical installation
  • NICEIC approved
  • Part P registered
  • £5m public liability
  • 12-month workmanship guarantee
  • Fixed price before we start
Smart Export Guarantee, G98 & G99 in Maidstone

What we do and who it is for

We provide electrical work to support Smart Export Guarantee (SEG) applications — including G98/G99 notifications, meter and consumer unit checks, remedial work and quoted prices from £XXX (written estimate before work). Maidstone: serving ME14, Bearsted, Penenden Heath, Tovil, Barming and Loose. All work is carried out by qualified electricians and comes with certification and a workmanship guarantee to meet distribution network and safety requirements.

Typical jobs

Typical SEG-related jobs we carry out in Maidstone begin with checking whether the solar inverter, generation meter and consumer unit at properties in areas such as Barming, Penenden Heath, Loose and Allington meet the requirements for a G98 notification or a G99 application to the local Distribution Network Operator. On semi‑detached 1930s and 1950s houses in Park Wood and Bearsted, and on Victorian terraces around Maidstone town centre, we verify the proposed export capacity, earthing arrangement, protective devices and installer paperwork before you apply to an SEG tariff supplier.

  1. In suburban locations like Coxheath and Grove Green — typically 1960s and 1970s detached and semi‑detached homes — we inspect inverter settings, isolation and labels, confirming the installation aligns with ENA requirements and the Kent DNO’s process for properties in the Maidstone postcode area.
  2. For older properties in Maidstone town centre and the riverside conservation areas, where cellars and meter positions vary in terraces and converted flats, we carry out panel testing where required, assess existing circuits and identify defects (for example shared supplies in multi‑occupied houses) that could affect safe connection or metering accuracy.
  3. We complete compliance work specific to Maidstone residences — consumer unit alterations in post‑war council houses in Shepway, protective‑device changes in new build estates off Willington Street, and necessary socket upgrades in bungalow developments near Detling — then provide the relevant certification stamped for properties in Maidstone.

For older Maidstone homes, particularly the inter‑war and Victorian properties in the town centre and parts of Loose and Barming, we’ll also flag VIR, rubber or aluminium wiring concerns. We keep the scope proportionate to the local housing stock and distribution network: only works needed for safety, notification and reliable export for properties in Maidstone and its immediate neighbourhoods.

What it costs

SEG-related electrical work in Maidstone is quoted to the actual scope after a free survey, since G98/G99 activity can reveal issues with inverters, export limits, protective devices or the consumer unit. Below are typical job prices (including VAT, parts, labour, testing and certification where shown).

Job Price What's included
Electrical survey Quoted per job after a free survey Scope assessment
Fault finding £80/hr Testing and diagnosis
Consumer unit replacement £500–£700 Parts, testing, certificate

Not included: plaster repairs, decoration, asbestos removal, DNO supply-upgrade charges, scaffold/access equipment.

How the work is planned

Before any G98 or G99 work, we’ll carry out a free survey to confirm the generation equipment, inverter settings, export capacity, earthing arrangement and condition of the consumer unit. We’ll identify whether remedial electrical work is needed first, particularly where older wiring or limited consumer-unit capacity affects safe connection.

We’ll then plan the most economical sequence of works, allowing for isolation periods, access routes and any roof, loft or external equipment requirements. Good site logistics reduce disruption, repeat visits and avoidable labour costs. Our team scheduling coordinates electricians, solar installers and any network-related attendance so the installation can proceed efficiently. We’ll agree dates, expected duration and any power interruption with you before starting. If the survey finds upgrade work is necessary, we’ll price it separately in writing, so you can decide whether to proceed.

Compliance and documentation

For G98 and G99 export connections we will provide electrical certification, commissioning records and any network-notification paperwork that is commonly required to demonstrate a compliant installation and to support an application to the Smart Export Guarantee; these documents typically include test results, inverter settings, generation details and confirmation of the Distribution Network Operator (DNO) process relevant to the connection. Certificates will be issued after completion and verification of the installation so you receive paperwork that is generally accepted by energy suppliers, for property records and for future maintenance. Keep records — certificates, commissioning sheets, export-meter details and DNO correspondence — for the life of the system, as suppliers’ requirements, battery additions or a change of ownership can mean these documents are needed. Our fixed written quote sets out the documentation we will provide so you can budget accordingly; we will not treat paperwork as an optional extra because incomplete evidence can delay export registration or lead to additional work or costs.

Minimal disruption and out-of-hours working

To keep disruption to a minimum, we’ll plan G98 or G99 export works around access, cable routes, consumer-unit shutdowns and the DNO process before installation starts. We’ll identify when isolation is necessary, protect occupied areas and sequence testing so your supply interruption is as short as safely possible.

Where timing permits, we can arrange out of hours work for essential changeovers, testing or final commissioning. This is charged at £120 per hour, so we’ll confirm the fixed written cost before proceeding and only recommend it where it reduces operational impact.

Noise reduction measures include pre-cutting containment where practical, using appropriate low-noise tools and scheduling drilling during agreed periods. We’ll maintain safe access, complete required verification and leave the installation compliant for export notification or approval.

Premises and sites around Maidstone

Across Maidstone we assess each premises type in context: in Tovil and the town centre we commonly encounter Victorian terraces and late-Victorian commercial conversions dating from the 1850s–1900s; in Shepway, Park Wood and Senacre the housing stock is largely post‑war council and semi‑detached homes built in the 1950s–1970s; and in Grove Green and Vinters Park we see the later 1970s–1990s suburban estate houses and bungalows. For properties in each of these named areas we confirm whether the scheme should proceed as a G98 notification or a G99 application for larger export capacity.

In Maidstone we inspect the consumer unit and earthing arrangement specific to the property: for example, older terraces in Tovil frequently retain fused‑spur or older two‑rail fuseboards, while some 1950s–1960s semis in Shepway and Senacre have consumer units upgraded in the 1980s that still require examination. We check the local supply capacity at the street‑level in Grove Green and Vinters Park where estate cable sizes and shared service tails can limit export, and we review the proposed inverter rating against the connection characteristics of the Maidstone Distribution Network Operator feed serving that neighbourhood so installations meet DNO requirements without unnecessary upgrades.

Where we work in the oldest homes in Maidstone — particularly late‑Victorian terraces in the town centre and Tovil — we look for VIR, rubber or aluminium wiring dating from the late 19th century through the mid‑20th century and investigate these before any generation equipment is connected. In listed buildings around the historic town centre and the conservation areas near the River Medway we plan careful cable routes and discreet equipment positions and advise when listed‑building consent in Maidstone Borough will be required for external alterations.

For riverfront sites in Maidstone, including properties on the River Medway near the town centre and Castle‑area riverside flats, and for homes on low‑lying parts of Loose and parts of Allington that flood periodically, we consider equipment location, safe isolation access and protection against water ingress specific to those local flood risks. Before work starts on any job in Maidstone we provide a fixed written price that covers the specified work for that named property, including the required certification and the G98/G99 notification or application administration relevant to the Maidstone DNO.

What it costs

JobWhat is includedPrice inc. VAT
EICR, up to 3-bedFull inspection, test results and report£150–£250
Consumer unit (fuse box) replacementBoard, RCBO/RCD protection, testing, certificate£500–£700
Full rewire, 3-bedAll circuits, new consumer unit, testing, certificate£4,500–£8,000
EV chargepoint, fittedAbout £500 after the OZEV grant where you qualifyfrom £1,000
Extra socketSupply, fitting and testing£55–£75
Out-of-hours emergencyFirst hour minimum, 24 hours a day£120/hr

All prices include VAT, parts, labour, testing and the certificate. Not included: making good plaster and decoration, asbestos removal, DNO charges for a supply upgrade, scaffold or access equipment. Fixed price in writing before we start — the bill is never larger than the quote.

Where we work

Areas we cover from Maidstone

See every area we cover

Frequently asked questions

1) Question: Do I need permission to connect my new solar panels to the grid?

Yes. We’ll check if your system needs a simple notification (G98) or formal permission (G99) and make sure paperwork matches your inverter and export limit settings.

2) Question: How long does it take to get approval to export electricity?

It depends. Timelines vary by your local network operator and any required network work; we’ll explain estimated times when we apply.

3) Question: Will my system be stopped because the grid is full?

Yes, sometimes. Local network capacity can limit connections, especially for large systems, batteries, or three-phase supplies, and may require upgrades.

4) Question: Will you guarantee I get the best export tariff?

No. Tariffs are set by energy suppliers. We can’t guarantee rates or acceptance; you’ll need to arrange an export tariff with a supplier.

5) Question: Do I need a smart meter to get paid for exported energy?

Yes. Suppliers usually require a compatible smart meter for export readings, so a meter upgrade may be needed before payments start.

6) Question: How much will your application and certification cost?

A fixed price. We provide a written fixed quote for our electrical work, certificates and application support before any work starts so you won’t get unexpected charges.

Get a fixed price

Ring us or send a photo of the job. We give a fixed price in writing before any work starts, and the bill is never larger than the quote.

Call 07366 354 116 · 24hr