Two residential tower blocks above trees

Who we help · Flats and blocks of flats

High-rise block (18 m+ or 7+ storeys)

Usual measures: Non-combustible insulation only, roof, windows, communal heating. Watch-out: Combustible materials banned in external walls; Building Safety Regulator approval for works.

Start a block enquiry Block survey from £1,500

Priced after survey

Block of flats energy and fabric survey

From £1,500 per block

Whole-block survey, sample EPCs, options report for freeholders and leaseholders.

Start a block enquiry

Credited against your works if you go ahead.

Read the full guide: Blocks of flats

Open the guide

At a glance

Construction, heat loss and watch-outs

Typical construction: Concrete frame
Where heat is lost: Walls, roof, balconies
Usual measures: Non-combustible insulation only, roof, windows, communal heating
Watch-outs: Combustible materials banned in external walls; Building Safety Regulator approval for works

Fire safety for this height

At 18 m and over, combustible materials are banned in external walls: only non-combustible insulation and finishes are used, and building control approval comes from the Building Safety Regulator.

Leaseholder consultation

Section 20 consultation applies where any leaseholder will pay more than £250 towards the works. We provide costed options and resident information packs.

Recommended

The insulation we usually recommend

Each links to its own page with suitability, materials and what to expect.

Insulated cladding and EWI

Non-combustible mineral wool EWI and rainscreen systems.

Offices, schools, care homes, blocksPriced after survey

External wall insulation (EWI)

A complete certified build-up of insulation board, mesh and render from one system holder.

Solid-wall, non-traditional and hard-to-treat homes; transforming how a home looksFrom £9,000

Flat roof warm deck

PIR insulation over the deck with a new single-ply, GRP, EPDM or felt covering.

Extensions, garages, dormers, blocks£110–£170 per m²

Fire-stopping and cavity barriers

Cavity barriers and fire-stopping installed with EWI, cavity and loft works.

All EWI and blocks of flatsPriced after survey

Also from LINX:Windows and doors

Start with a surveyBook a block of flats energy and fabric survey — From £1,500 per block, credited against your installation if you go ahead.Book a survey

Funding for blocks

Whole-block works may be funded through the Warm Homes: Social Housing Fund for social landlords, ECO4 for eligible households while it's open, council schemes or landlord EPC C plans.

Flats and blocks of flats

Other property types

Begin your project

Planning works on a block of flats?

Tell us about the building and we'll arrange the right survey, then a priced, phased proposal.

Start a block enquiry Block survey from £1,500 020 8914 7824