Local installers

Many of us have had problems trying to find good local suppliers for implementation of energy saving measures and renewable technologies!! This page lists suppliers that our members have found trustworthy.   If you can provide any information on suppliers you have used please use the comments area below.

Note Muswell Hill Sustainability Group does NOT endorse any supplier, we just provide a facility for sharing information. Last updated June 2023.

Home Audits/Advice on where to start ‘greening’ your home


You can use the free Ecofurb Plan Builder on their website to get an idea of what energy efficiency improvements would work best for your home. And to access an end to end service giving advice, quotations from vetted local installers, and quality assurance, you can get in touch by sending in your draft plan. Ecofurb has been set up by Parity Projects, used by many MHSG members over the years.

Enbee Architecture and Design Natalie Black 07817 897814

Enbee are green architects (see below) working in Muswell Hill. In November 2023 they launched a retrofit strategy service.

The Green Age  020 8144 0897

Energy efficiency advice for heating, insulation and renewables.  Recommended by Andy Metcalf, Fortis Green, N10 and Paul Clift of Park Avenue North N8

James Tanner.  020 3325 5066

Join our property owner and landlord  energy efficiency/  EPC improvement group:

James is a member of MHSG.  He has been a full time landlord for 15 years, developer, speaker, and recently took the domestic energy assessors EPC course.  He is offering a chargeable service to help people improve their energy efficiency and EPC, often with no and low cost measures.  He works with a number of specialists including insulation installers. He runs a property owner and landlord energy efficiency group: https://www.facebook.com/groups/landlord.energy.efficiency.

‘Green’ Builders

Oasis Construction: office@oasisconstructionlondon.co.uk

Experts in low carbon building, have recently worked on a deep retrofit on Muswell Hill Road.

Urban Design Build   07966 441 317 

A family firm based in Muswell Hill, Urban Design Build specialise in house extensions and refurbs, with a view to saving energy and reducing clients’ carbon footprints.  Recommended by Paul Bragman, Alexandra Park Road

Greg Zuber Building Services 07887 481750

General building including extensions.  Lots of work done in Muswell Hill and surrounding areas.  Recommended by Deanna Bogdanovic, Muswell Hill, and Cara Jenkinson, Southwood Lane, N6.

Elgood Builders mail@elgoodbuilders.com 07711 439330

General builder specialising in renovation including roofing, plumbing and electrics.   Recommended by: Pippa Gueterbock, Wayland Avenue, E8

Borisa Ristic & Co. tel 07904 112134. borisa@ristic.co.uk

Specialist in deep renovations with an emphasis on sustainability and energy efficiency. Recommended by Sarah Harrison, Chester Road, N19.

‘Green’ Architects

Enbee Architecture and Design Natalie Black 07817 897814

Innovative sustainable architect using the most up-to-date practices in eco-design. Currently working on deep retrofit on Muswell Hill Road.

Architecture for London 020 3637 4236

London-based architect led by Passivhaus designer, Ben Ridley, who has also undertaken a major green upgrade of his own home in Muswell Hill.

Prewitt Bizley Architects. 020 7256 2195

Pioneers in deep retrofit. Projects include Victorian homes retrofitted to Passivhaus standard.

Edwards Rensen Architects 020 3227 0122

Jo Edwards is a member of Muswell Hill Sustainability Group, and is committed to incorporating sustainability into all new projects. Her firm works in Muswell Hill and surrounding areas.

Green Roofs 

D G Locker Roofing Services – general roofers who offer green roofs and solar as well. Recommended by Susie Holden, Outram Road, N22.

Insulation (wall)

It is hard to find good insulation installers, we would recommend looking at the Trustmark website.

Heat Pump installers

N10 Plumbing – install air source heat pumps in N10 and surrounding areas. MCS accredited. Recommended by Stewart McIlroy, Grosvenor Road, N10.

This is a list of installers who work in London, and are on the MCS accredited list – we don’t have specific recommendations yet.

Ground Sun Ltd Brian Connell 07930 963557

EPC Improvements Craig McAllister 01245 408792

Heat Different Craig Forder 01603 406052  (East Anglia but works in London as well)

ISO Energy Limited Edward Levien or Jason Blanchard 01293 821345 or 07977 864340

Terra Therma Limited Mark O’Brien 01376 517222 or 07920 003531

Better Planet Tomas Larsson 01707 662408 or 07918 779664

Solar renewables

Joju Solar 0207 697 1000

North London based installer of solar, batteries and EV chargers. Have done many domestic and community energy installations locally.

London Solar Dominic Skeaping 07951 576 893

Installation of solar thermal and hot water cylinders. Recommended by Jeremy Gibb, Leaside Avenue.

Next Step Heating Kaspar Bradshaw 020 8125 4864

Solar PV and thermal systems, consultancy, heat pumps and heat recovery ventilation. Recommended by Jeremy Gibb, Leaside Avenue, N10.

Alternative Heating Limited Michal Kotowski 07522 887508

Air source heat pumps, and other renewables. Recommended by Paul Hoffman, Pages Hill, N10.

Madola Energy 07968 488773

Based in Wales, but happy to work in London. MCS Accredited and has done some work for our sister renewable energy organisation en10ergy. New installs and maintenance


B Murphy and Co 020 8883 4555

Draughtproofing windows and doors Recommended by: Anthea, Hillfield Park, N10

ABC Sash Windows 07805 200885

New double-glazed sash windows, and repairs. Recommended by MHSG member AS, Curzon Road, N10

Acorn Sash Windows 020 8816 8485

New box windows, double glazed sashes. Rating 9/10 Quality of Work, Recommended by Dominic Hinshelwood, Mattison Road, N8.

City Restoration 020 8804 6178

Restoration, maintenance and replacement of windows, doors and other joinery.  Recommended by Sally Weintrobe, Twyford Avenue, N2

City Sound 020 8523 3210

Secondary Glazing Recommended by, Cara Jenkinson, Southwood Lane N6 and Adrian Thomas, Warner Road, N8

Clearview Secondary Glazing 0114 294 5018

Secondary glazing, recommended by Jeremy Gibb, Leaside Avenue N10.

Skylon Joinery Limited 

High quality high spec replacement double or triple glazed windows.  Able to match look of existing windows.  Polish firm but based in UK.  Responsive on requirements for sustainability of wood and specification of glazing.  FENSA registered.

Recommended by Jeremy Gibb, Leaside Avenue N10.

Condensing Boilers and Plumbing

Integrated Heating 07810 888754

Condensing Boiler Installation. Recommended by Cara Jenkinson, Southwood Lane, N6 and Annabel Gregory, Alexandra Park Road, N22

XS Heating Ltd 020 8201 3420 or 07931 567136

Condensing Boiler Installation Recommended by: Adrian Thomas, Warner Road, N8

SE Plumbing and Heating Services: 0208 504 8804/ 07771 656944 Steve@seplumbingservices.co.uk

Condensing Boiler installation Recommended by Joyce Rosser, Redston Road N8