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01 · Ask
Heat pump, solar, battery or all?
Different priorities, different ROI. Describe the house, the bills and the budget — the AI tells you what stacks up.
Install EV chargers in flats.
Part P notifiable
EV charging for flats and apartments — communal scheme or single bay. Part S compliant from 2022.
✓ Updated May 2026✓ Free quotes✓ Vetted pros
20,000+UK homeowners
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Hire a renewables installer. MCS or no grant.
Read the brief on MCS, BUS grants, heat-loss surveys and right-sizing — then let Three local installers quote.
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02 · Read the brief
Walk in informed
BUS £7,500 heat pump grant, SEG export tariffs, MCS certification, EPC requirements, radiator upgrades. Know the rules.
60 seconds
03 · Compare
Compare 3 installer quotes
Three local installers quote on the same spec — heat-loss, sizing, grants, warranty — so the cheapest isn't accidentally the unfunded.
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Top tips
Hiring a renewable energy, without the regret.
Four moves that separate a smooth job from a nightmare.
Use MCS-certified installers only.
BUS, ECO4, SEG payments all require MCS-certified installation. Any installer without MCS means no grants and no SEG export tariff.
Get a heat-loss survey for heat pumps.
Heat pumps must be properly sized to your house heat loss. Insist on a Heat Loss Calculation (MCS-recognised) — never a 'kW per m²' shortcut.
Check radiator compatibility.
Heat pumps run at lower flow temps (35–55°C vs 70°C for gas). Most existing rads are undersized. Cost: £200–£500 per upgraded rad — get this on the quote.
Don't oversize solar PV.
Generation beyond what you export earns 5–15p/kWh (SEG). Generation you use saves 30p+. Right-sized to consumption beats massive arrays for ROI.
Costs & timeline
Know what it costs. Know when it ends.
Indicative UK ranges and what affects price.
Cost range
By job type
Inc. VAT · 2026
Source: NMT quotes
Source: NMT quotes
Air source heat pump (install)Pre-grant
£8k–£14k
Ground source heat pump
£18k–£35k
Solar PV 4kW system
£6k–£9k
Battery storage (5kWh)
£3.5k–£6.5k
Solar thermal (hot water)
£4k–£7.5k
EV charger (Type 2, 7kW)
£800–£1.5k
!
Quote spread is typically ± 18% — always get 3 quotes.
At a glance
Infographic · VideoThe Renewable Energy briefing.
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Renewable Energy explained
EV charger install for UK flats — distinct challenges: freeholder consent, communal car park wiring, shared infrastructure. OZEV £350 grant available specifically for flat-dwellers. Expect to pay £900–£3,500 for UK flat EV charger install.
What Does the Work Involve?
OZEV-authorised installer surveys building. Freeholder/management company permission. Cable route from CU or sub-main to parking bay. Some bays sub-metered. Smart charger with billing capability for multi-user. NICEIC certification.
Typical Costs
| Item | Low (£) | High (£) | Notes |
|---|---|---|---|
| Standard flat install (allocated bay) | 1,200 | 2,500 | Existing wiring |
| Complex install (long cable run) | 2,000 | 4,500 | Trench/conduit |
| OZEV grant flats | -350 | -350 | Per chargepoint |
| Freeholder approval fee | 0 | 500 | Management charge |
| Sub-meter install (billing) | 100 | 400 | Per chargepoint |
| Communal infrastructure share | 300 | 2,000 | Per chargepoint |
| Annual electricity sub-meter charge | 40 | 120 | Management |
UK Regulations
OZEV grant for flat-dwellers and renters continues 2026. CMA section 21 freeholder consent for alterations. Smart Charge Point Regs 2021. Right to install if reasonable (Tenant Fees Act considerations).
Frequently Asked Questions
Freeholder can refuse?
Unreasonable refusal not allowed. Consent typically given for technically sound install. Section 21 letter helps.
OZEV grant for flats?
Yes — £350 per chargepoint. Renters also qualify. Specific scheme continues 2026.
Block scheme?
Some managing agents offer block-wide install, splitting infrastructure cost. £300-£2,000 per resident.
Communal billing?
Sub-meter per chargepoint. Octopus Energy, Char.gy specifically for blocks.
Off-street parking required?
Allocated bay or driveway typically. On-street: council schemes (Source London, etc.).
Best installer for flats?
Specialist communal installers: Mer, Char.gy, Pod Point Commercial. OZEV-approved for flats.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
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