Subcontract and partnership work for main contractors

Extract Energy takes on subcontract and partnership work for Tier 1 contractors, retrofit coordinators, managing agents and energy companies delivering insulation and renewables programmes across Hampshire, West Sussex and Surrey. We bring a specialism that is hard to find: cavity wall insulation extraction, done with equipment we design and build, alongside bonded bead installation, loft insulation and MCS-certified solar and battery.

Extract Energy extraction crews working on a retrofit programme in Hampshire

What we deliver

  • Cavity wall insulation extraction of mineral wool, EPS bead and urea-formaldehyde foam, with borescope verification, making good, vent clearance, gas and flue checks and a full photographic evidence pack per property.
  • Cavity wall insulation installation with ThermaBead bonded EPS bead.
  • Loft insulation to 270mm with eaves ventilation, lap vents, pipe and tank insulation, and raised boarding where specified.
  • Spray foam removal from roof spaces.
  • Solar PV, battery storage (Sigenergy SigenStor) and EV charging, MCS certified.
  • Pre-works and remedial surveys for properties where earlier installs are suspected to have failed.

Compliance

TrustMark

Registered, licence number 1948305.

PAS 2030:2023

Certified by the IAA (certificate CIGI10097) for cavity wall and loft insulation. PAS 2035 retrofit coordination is handled by an external retrofit coordinator.

Insulation Assurance Authority (IAA)

Federation member FED10392 and Able To Pay guarantee member ATP0260.

Kiwa

Approved installer of cavity wall insulation (579075) and of carbonsaver on behalf of ThermaBead Ltd.

MCS

Certificate IAA10310 for solar PV, battery installation and pre-sale information.

Constructionline Gold / SSIP

Both under registration number 168283 (Once For All).

Environment Agency

Registered upper tier waste carrier and dealer, CBDU532168.

RAMS and COSHH

Site-specific RAMS compiled and authorised by the Managing Director; risk assessments on a 5×5 matrix. Full COSHH assessment set, reviewed September 2026.

Operatives

Required to hold current CSCS, working at height, manual handling, asbestos awareness and gas awareness training; anyone out of date is stood down.

Health and safety

Zero-tolerance policy on health and safety breaches; mandatory PPE; Tera system for working at height.

Insurance

Fully insured, including public liability and cover for our labour-only operatives. Certificates on request.

Supply chains

Approved or registered on the Wates, Etec and Sureserve installer supply chains.

Every number, and where to check it, is on the accreditations page.

Capacity and coverage

Based at Clarence Wharf in Gosport, we work across Hampshire, the Isle of Wight, West Sussex and Surrey. Our capacity is up to 10 installs and 20 surveys a week. Our vans are company-owned and company-insured, and our crews work with the same Extract Vac kit, so output per property is consistent.

Extract Vac: we supply the equipment too

The Extract Vac cavity wall extraction system is designed and manufactured by Extract Insulation Ltd in Gosport and sold to contractors across the UK through extractvac.co.uk. If your programme needs extraction capacity beyond what we can deliver on site, we can supply the equipment as well.

extractvac.co.uk

Get in touch

Scott Ormston, Managing Director. 0800 7022181. sales@extractenergy.co.uk. We are happy to provide RAMS, insurance certificates, accreditation certificates and sample evidence packs on request, and to attend pre-contract meetings.

Discuss a programme

Call or email Scott directly.

Extract Energy

Insulation, solar, battery storage and EV charging for homes across Hampshire, Wiltshire, the Isle of Wight, West Sussex and Surrey. Based in Gosport since 2013.

0800 7022181 sales@extractenergy.co.ukUnit 9 Clarence Wharf, Mumby Road, Gosport PO12 1AJMon–Fri 9am–5pm

Company

Accreditations

SchemeReference
TrustMark1948305
MCS (IAA)IAA10310
IAA installerFED10392
Kiwa579075
NAPITRegistered
ConstructionlineGold member
EA waste carrierCBDU532168

Extract Energy is a trading name of Extract Insulation Ltd, registered in England & Wales no. 09462745. Registered office: Unit 9 Clarence Wharf, Mumby Road, Gosport PO12 1AJ. VAT registration no. 213906329. Environment Agency registered waste carrier CBDU532168. TrustMark licence 1948305. MCS certificate IAA10310. NAPIT registered. © Extract Insulation Ltd 2026.

All installations are carried out by qualified, accredited engineers. Solar PV, battery storage and EV charger installations are subject to survey and technical assessment. Insulation measures are subject to property suitability checks. Prices and eligibility criteria are subject to change. VAT at 0% applies to the installation of qualifying energy-saving materials (insulation, solar panels and battery storage) until 31 March 2027, after which the rate reverts to 5%. Removal works, loft boarding and EV charger installation are subject to VAT at 20%. Nothing on this website constitutes financial advice. The Warm Homes Plan (grant and loan routes) is a government scheme; eligibility is determined by the relevant scheme administrator and is not guaranteed. Registering your interest does not constitute an application or a commitment by Extract Energy or the scheme administrator.

Extract Energy is not a financial services firm and does not provide regulated financial advice. Warm Homes Loan products are government-backed; independent financial advice is recommended before entering any credit agreement.