Loft and cavity wall insulation · South East

Loft and cavity wall insulation in Test Valley

We install loft and cavity wall insulation in social homes in Test Valley, after a survey that checks the wall and loft are suitable.

Loft and cavity wall insulation in Test Valley is carried out by our site teams and specialist subcontractors under our management, with photographs, notes and certificates on every job. Most social homes in Test Valley belong to housing associations after the council transferred its stock.

Test Valley at a glance

Council: Test Valley Borough Council
Region: South East
County: Hampshire
Council homes: Transferred to housing associations
Housing standard: Decent Homes Standard (England)
Damp and mould timescales: Awaab's Law (since 27 Oct 2025)
Population: 127,163 (2020 estimate)
Regional price factor: 1.10 (VOA 2026)

Council housing status from Housing Revenue Account records (MHCLG and the 2012 HRA list, updated for later transfers) and council publications, checked October 2026. Population: ONS 2020 mid-year estimate.

Who owns the social homes in Test Valley?

Most social homes in Test Valley are owned by housing associations, following the transfer of the council's homes to housing association ownership. Test Valley Borough Council remains the strategic housing authority, with duties on homelessness and housing need.

What do we cover in Test Valley?

Cavity suitability survey, including borescope inspection
Cavity wall insulation injection
Extraction of failed or unsuitable cavity fill
Boarded walkways, hatch insulation and draught-proofing
Pipe and tank insulation

Loft and cavity wall insulation in a social home

How do we deliver it?

Loft work includes checking that the eaves are still ventilating once the new insulation is down, because blocked eaves cause condensation in the roof space.

Which rules apply in Test Valley?

PAS 2035:2023 sets the whole-house retrofit process (assessment, coordination, design, installation and evaluation), and PAS 2030:2023 covers installation. Most government-backed retrofit schemes require both, with TrustMark lodgement.

Decent Homes Standard (England) · More about loft and cavity wall insulation

What does loft and cavity wall insulation cost in Test Valley?

Our guide range for cavity wall insulation in Test Valley is £1,050–£2,950 per home. That is the UK range of £950–£2,700 (published figure) adjusted by a regional cost factor of 1.10 (VOA Rating Cost Guide 2026: 1.05–1.15); figures are before VAT where the source states it. Every job is priced after survey; specification, access and the condition of the homes will move the figure.

Questions about loft and cavity wall insulation in Test Valley

Does Test Valley Borough Council still own council homes?

Which housing standard applies in Test Valley?

Social homes in England must meet the Decent Homes Standard, enforced through the Regulator of Social Housing's Safety and Quality Standard. A reformed standard, confirmed in January 2026, must be met by 2035 at the latest.

Can you take on loft and cavity wall insulation in Test Valley as a subcontractor?

Yes. Main contractors working for social landlords in Test Valley can engage us as a tier-2 subcontractor for loft and cavity wall insulation, working under their systems and their client's specification.