Whole-house retrofit · East of England

Whole-house retrofit in Welwyn Hatfield

If you have a funded retrofit project in Welwyn Hatfield, we can price the measures, confirm certification arrangements in writing and deliver to programme.

We take on whole-house retrofit in Welwyn Hatfield for Welwyn Hatfield Borough Council, housing associations and supported housing providers, managing every trade ourselves and working to the timescales in your order. Welwyn Hatfield Borough Council still owns council homes here, alongside housing association stock.

Welwyn Hatfield at a glance

Council: Welwyn Hatfield Borough Council
Region: East of England
County: Hertfordshire
Council homes: Council-owned, managed by the council
Housing standard: Decent Homes Standard (England)
Damp and mould timescales: Awaab's Law (since 27 Oct 2025)
Population: 123,893 (2020 estimate)
Regional price factor: 1.04 (our estimate)

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 Welwyn Hatfield?

Welwyn Hatfield Borough Council still owns council homes in Welwyn Hatfield and manages them directly, funded through its Housing Revenue Account. Housing associations also own and manage social homes in the area, and we can work for both.

What do we cover in Welwyn Hatfield?

Coordination with your retrofit assessor and retrofit coordinator
Fabric measures: external, internal and cavity wall insulation, loft and floor insulation
Windows and doors, draught-proofing and airtightness details
Solar PV where it is part of the design
Resident liaison through a disruptive programme

How do we deliver it?

Residents get a plain-English guide to their new heating and ventilation at handover. A heat pump that is run like a gas boiler will disappoint everyone.

Which rules apply in Welwyn Hatfield?

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 whole-house retrofit

What does whole-house retrofit cost in Welwyn Hatfield?

Our guide range for whole-house retrofit towards EPC C in Welwyn Hatfield is £14,050–£24,550 per home. That is the UK range of £13,500–£23,600 (published figure) adjusted by a regional cost factor of 1.04 (our own estimate); 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 whole-house retrofit in Welwyn Hatfield

Does Welwyn Hatfield Borough Council still own council homes?

Which housing standard applies in Welwyn Hatfield?

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 whole-house retrofit in Welwyn Hatfield as a subcontractor?

Yes. Main contractors working for social landlords in Welwyn Hatfield can engage us as a tier-2 subcontractor for whole-house retrofit, working under their systems and their client's specification.