01444 460110


Installing in: Wealden, Brighton and Hove, Lewes, Mid Sussex, Tunbridge Wells, Horsham, Crawley, Eastbourne, Tandridge, Guilford, Adur, Arun, Worthing, Reigate, Mole Valley, Epsom, Sevenoaks, Tonbridge, Hastings, Rother and beyond...


  and we'll be in touch shortly, thank you.

Welcome to Downs Energy, for cavity wall, solid wall and loft insulation in Surrey, Sussex and South London.

Here's what our customers are saying:

Mr O of Sutton – “Extremely happy with Chris and Ben’s work. Very good in every way and I would highly recommend them and their work. 11/10 service.” 18/12/12.”   Which Local – “had the work undertaken following my neighbours recommendation–very impressed. They were punctual, efficient and cleared up after themselves. On a freezing cold day they worked very hard with no complaints. Good value and took care of the standard grants available to all to make it a simplified process” 24/2/12”   Mr R of Guildford – “Very pleased with the whole process. From initial call to installation, it was all carried out professionally and effectively.” 06/07/12.”   Mr B of Billingshurst – “I have read the reviews of Downs and am happy to say you live up to your good reputation. Chris and Karl did great work when completing our cavities.” 14/06/12.”   Ms D of Dorking – “The guys came yesterday and did a fab job -they were very friendly and professional, and worked flat out to finish before I had to leave for an appointment.  01/11/13”   Mr B of Hastings – “Both teams were extremely careful and clean. They did a very good job.” 11/07/12.”   Mr C of Eastbourne– “Ivan was great, thank you very much.” 10/07/12.”   Mr E of Groombridge – “Very pleased with the service. Ivan and Paul V were both polite and very pleasant.” 10/05/12.”   Mr and Mrs G– “Would like to record how helpful, polite and efficient Ivan and Paul V were. A joy to find in this day and age.” 10/07/12.”   Miss P of Crawley – “The work was carried out very well and the men were polite, clean and tidy.” 11/09/12.”   Mr L of Pevensey– “Trevor did a super job. He cleared up well and I was very impressed with the method of working. He worked diligently and was dead on agreed time. I was very pleased to have him working on my house and would be delighted to recommend Downs Energy.” 26/06/12.”   Mr L of Hove – “Impressed with the service, especially on the technical side. The director, Paul, gave technical help and advice which was fully appreciated.” 18/12/12.”   Mr H of Hollingsworth – “The guys were great and tidy and it all happened very quickly. Great stuff thank you!” 08/03/12.”   Mrs R of Crawley – “Paul Oliver and Ben M installed on Friday the 12th of July. She said the guys were very pleasant, efficient, clean and did a very good job”. 19/7/13”   Mrs K of Crawley – “Hi Karen. I just wanted to say a huge thank you to you and the lads for sorting my wall insulation today! They were lovely guys and Im so happy that after all these cold winters losing heat, ill be warm and my bills will now be lower! Thank you again!” 4/10/13”   Mr W of Uckfield – “Very pleased with the team that completed my installation. They were two nice blokes who cleaned up after themselves. They are the best workman I’ve had, especially when compared with the council workmen who have done work at my property previously.” 27/12/12.”   Mr F of Brighton –(a previous customer) – “referred my neighbour and praised us for our excellent work we had done in his own property” 06/11/2012”   Mrs W of Godalming – “rang to say what a lovely job Darren and Paul did for her on Friday. She was very complimentary. 06/02/12.”   Mr F of Hampshire – “Excellent service from Downs Energy. Sean Orr assessed the property and gave clear, helpful advice. The insulation team did a magnificent job – briefed me clearly on what they would be doing and worked quietly yet efficiently. We are really pleased with the result.”04/09/12.”   Mr P – “Very efficient, professional and polite. I would recommend to anyone 5/5.” 11/07/12.”   Mrs T of Crawley – “called to thank Paul & Craig – very polite and cleared up after themselves. She also complimented how efficient the process was” 19/5/13”   Mr and Mrs A of Hartfield – “Just wanted to say what a lovely job Sam and his team did today; in particular the pointing on the brick work. They were well organised and left the place very tidy. They should be credited for their good work.” 04/07/12.”   Mr H of Lewes – “We thank your company for the work and the helpful way it was undertaken.” 16/05/12.”   Mrs M of Newhaven – “Many thanks for your company’s first class service.” 07/02/12.”   Mr & Mrs M of Cranleigh – “Thank you for installing our cavity wall insulation so efficiently. We had had another firm quote for installation at 3 times the price. Your surveyor Sean Orr saw us, we signed-up, and installation was completed within a fortnight. The job was as professional as the survey, leaving no mess and transforming the heating in our home. Highly recommended”. 22/1/14”   Mrs H of Tunbridge Wells – “Excellent service. After seeing the mess another company had made during CWI, I was sceptical about having it installed at my own property. However, my fears were unfounded and Trevor did an excellent job, as did Clint with the loft insulation.” 10/09/12.”   Mr M of Orpington. Your knowledge and patience with us throughout the process was exemplary and the finished product is second to none. Your excellent communication and the politeness of your staff has been a joy to experience. The transformation of our home and the difference with the insulation is remarkable. I would highly recommend you and your company for the work you carried out. 21/5/14   Alfriston Energy Café –“Phenomonal difference cavity wall insulation made”. 3/10/13”   Mr R of Crawley – “called to offer many thanks at fixing his core vent cover so quickly yesterday afternoon after his initial call yesterday morning. Praised our excellent service and was very impressed” 30/4/13”   Mr S of Crawley – “Dear Sean, you inspected my house on  24/2/14 and the work was done on 13/3/14. I just wanted to record my thanks to all involved with this job and, in particular, the people that did the work on 13 March.  They are a credit to your company. They are polite and do a clean, efficient and tidy job. I am happy to recommend your company to others and in particular these workmen. Once again, many thanks” – 25/4/13”   Mr B of de Lannoys Almshouses charity – “I speak for all the trustees, we are extremely indebted to you –the finish of the building should make your company proud. Your team worked on in less than favourable weather and achieved a superb result. Our lady residents are the most appreciative of all efforts made to minimize disruption” 19/11/13”   Mr S of Crawley– “Just a quick note to say that the work carried out today was handled cleanly and efficiently. Karl and Chris were very professional and courteous at all times, even despite the bad weather!” 10/07/12.”   Mrs W of East Grinstead “just had her loft installed by Tim and Conner.  She rang up to say what lovely boys they were, very polite and that they did a super job and left no mess at all!”  13/12/13”   Mrs F of South Chailey – “wanted to praise Chris & Craig who are installing at Number 4 next door to her. “please make sure you tell your bosses that they are the sweetest most lovely workers I have ever met. They are so lovely I would like a survey too” 3/5/13”   Mr J – “Would just like to thank you for the excellent service from your company. The team did a very thorough job which included colour matching the filler to the bricks. We were very impressed, please pass on our thanks.” 09/09/12.”   Mr C of East Grinstead – “The installers did a fantastic job. Completed with great care and attention and cleaned up perfectly afterwards.” 12/04/12.”   Mrs F of Camberley – “praised Graham Hutchinson, surveyor, and Paul & Craig, the installers – they were all polite and friendly, and left property clean & tidy. Would have no hesitation in recommending your company to other people”. 26/7/13”   Mr M of Crawley – “Your installation teams are very slick and a pleasure to deal with, as is your whole business. I thank the surveyor, Craig, and Scott for arranging this and all within the deadline.” 04/01/13.”   Mrs P of Lewes – “We believe we can feel the difference already. We dont have the heating on, despite the chill in the air at night”. 27/9/13”   Mrs B of Crowborough – “Very pleased with the work carried out by Karl, Chris and Ben. They left the property clean and tidy and were also very polite and courteous.””   Mrs L of Crawley – “called to say how pleased she was with Christian who did some cavity work this morning. He was polite and courteous and very professional. She couldn’t praise him enough.” 10/4/13”   Mr C of Lower Beeding – “Wanted to praise the installers, Karl and Ben, and the surveyor, John, as both did an excellent job.” 03/08/12.”   Mrs M of Findon – said “I received my guarantee today and was very impressed by the CWI Darren and Richard did in December. They were really nice guys who carried out the work efficiently. She is feeling the difference already”.25/2/13”   Mrs W of Lancing – “rang to say how impressed she was with Tim when he completed her loft install on Tuesday. She spoke highly of how efficient and polite he was, leaving the place very tidy afterwards. 21/12/12.”   Mr W of Heathfield – “Very pleased with the work Darren and Paul O completed. They were really nice guys and very helpful.” 22/01/13.”   Mrs W of Crawley – “Customer called Crawley Council to state how happy she was with the loft insulation process from beginning to end - far better than any other company that had surveyed her in the year. She wanted to ensure many thanks got passed on to all the colleagues at Downs Energy because of their efficiency and pleasantness.” 01/10/12.”   Crawley Council – “Excellent work!  Well done and thanks to you and the team for all your hard work and commitment.  Without you and the team I fear that it could have been the never ending job, so thank you all”. 4/10/13”   Ms G of Crawley – “Outstandingly polite, courteous and warm in their manner. Good eye contact, direct and honest.” 29/11/12.”   Mrs S, Raven customer – “The boys that carried out the work were absolutely lovely. So quick and efficient.” 20/03/12.”   Which local – “I chose them for cavity wall and loft insulation because, while not the cheapest quote, they did easily the most thorough survey of the three contractors I contacted. Work was done professionally, courteously, on time and tidily, and we are already feeling the benefits” 23/1/12”   Mr C of South Croydon – “Would like to credit the surveyor on the exceptional assessment of the property. He gave good advice and reassurance throughout the whole process. We were impressed by both teams of installers also. The workmanship, professionalism and friendliness really showed. We will not hesitate to recommend you, if the situation arises.” 20/08/12.”   Crawley Homes Asset Manager – “Thank you Karen but without all your help and support this would not be possible at all so thanks to you and the team”. 4/10/13”   Mr E of Bexhill on Sea – “just had a survey by John Calway for loft insulation and he wanted to pass on how impressed he was with him. He said he was very friendly and knowledgeable and a great ambassador for our company”. 9/7/13”   Mrs T of Rotherfield – “Karl and Ben were well mannered and respected our home.” 01/12/12.”   Mrs P of Seaford – “how pleased I was with the work carried out to the wall cavity and how sorry to bring Chris out on a Saturday on his day off to sort out  a problem which was my fault as it turned out .  Thank you for the patience shown”- 16/5/13”   Mr I of Dorking – “Sent an email to compliment Chris and Ben on doing an excellent job installing his cavities. The two of them were very efficient, polite and hard working. The work was carried out with minimal disruption and both men took the time to answer any questions and explain what they had done. Downs Energy is very fortunate to have such conscientious workers and recommend without hesitation.” 03/01/13.”   Mr H of Pulborough – “Much appreciation for the work done by two really nice, professional and hard-working guys. Ivan and Paul V are a credit to your organisation.” 12/05/12.”   Mrs W of Godalming - rang to say what a lovely job Darren and Paul did for her on Friday. She was very complimentary. 06/02/12.   Mr G of Crawley – “The lofters have done a fantastic job, it looks perfect.” 05/09/12.”   Mr S of East Grinstead– “Very impressed by both teams, they were excellent.” 11/07/12.”   Mr S of Goring – “Very pleased with how polite both teams were. It was a pleasure doing business with your company.” 06/03/12.”   Mr G of Crawley – “Please pass on my thanks to Craig Burke who completed CWI at my mothers’ property last week very efficiently. He was most informative, neat and friendly and we are extremely pleased that Downs Energy carried out this work or us.” 21/09/12.”   Mr G of Heathfield – “A pleasure to have Ivan and Paul V in the house.” 08/11/12.”   Mrs D of Crawley – “a huge thank you to Karl for a job well done. She said he was a lovely young man and she is very happy”. 31/10/13”   Miss P of Brighton – “Just wanted to say thanks for the work you did on my loft, I am really pleased with the result. It was all done very efficiently with minimum disturbance.” 14/05/12.”   Customer “praised young Tim for his loft installation. Not only did he make a very good job of it, be he was polite and professional. Nothing was a problem for him. Great job!” 8/2/13”   Mrs H of Farnborough – “Thank you to the very helpful workmen, especially Dennis Harper who went out of his way to fix my wall brackets, my outdoor tap and my bolt on my back gate. I live on my own and was so grateful, as well as to Michael. All were extremely polite, worked quickly, and left property clean & tidy. Im VERY pleased with the work, and their attitude. My house is nice & warm”. 19/3/14”   Mr S - “said thanks to you and to all the guys for the hard work. He was really happy with the job done. The guys worked very well and he was very grateful to Paul Mackinnon.”   

FREE HOME INSULATION is still available to some homes through the Government's ECO scheme but if you don’t qualify Downs Energy can still help to keep your home warm. Once installed cavity wall and loft insulation can pay for itself in as little as three years through savings made on heating bills.

At Downs Energy we specialise in domestic and commercial cavity wall, solid wall and loft insulation, working throughout Sussex and Surrey with our experienced teams of Green Deal approved installers. .

We work with the major Energy Companies and other funding bodies including directly with Local Councils to deliver energy saving measures, saving money on fuel bills and keeping homes warm.

Being a Green Deal approved installer we can undertake Green Deal funded installs and arrange funding and install of ECO qualifying measures including solid wall - internal and external.




Solid Wall Insulation


Energy Performance Certificates (EPC)

Energy Performance Certificates An EPC is required for all properties being marketed for sale or rent and is the starting point for any Green Deal or ECO funding. Installing cavity wall insulation and ensuring you have current recommended levels of loft insulation will greatly improve the energy rating of your home and thus much improve its saleability. Click here to find out more about an EPC.