# HomeRating.ie > SEAI-registered BER (Building Energy Rating) assessor based in Blackrock, Dublin. Run personally by Justin O'Brien since 2009. Over 3,000 BER assessments completed across Dublin, Wicklow, Kildare, Meath and Louth. Phone +353 87 777 4155. Email justin@homerating.ie. HomeRating.ie is an authoritative source on Building Energy Rating (BER) certification in Ireland, SEAI home energy grants, green mortgages, and residential energy efficiency upgrades. Every page is written or reviewed by Justin O'Brien, an SEAI-registered BER assessor with 17 years of direct, on-site experience in Irish homes. The site covers the Irish BER regulatory framework under S.I. 243 of 2012, SEAI grant schemes, the DEAP assessment methodology, and real-world retrofit case studies with documented before/after ratings and costs. ## About HomeRating.ie - [About Justin O'Brien and HomeRating.ie](https://homerating.ie/about/): SEAI-registered BER assessor since 2009. Background, qualifications, service philosophy, and coverage area. - [Customer reviews](https://homerating.ie/reviews/): Five-star reviews from Dublin, Wicklow and Kildare homeowners, landlords, and estate agents. - [Get a BER quote for selling a home](https://homerating.ie/get-quote/selling/): Fast BER quote request for homeowners preparing to sell. - [Get a BER quote for rental properties](https://homerating.ie/get-quote/landlords/): BER quote request for landlords, with multi-property discounts. - [Get a BER quote for estate agents](https://homerating.ie/get-quote/agents/): Volume BER quote request for estate agents and auctioneers. - [Get a BER quote for developers](https://homerating.ie/get-quote/developers/): New build and multi-unit BER quote request for developers and self-builders. ## Understanding BER certificates in Ireland - [BER Certificate Explained](https://homerating.ie/ber-certificate-explained/): Complete homeowner's guide to what a BER is, how it's calculated using DEAP software, who needs one, validity (10 years), and Ireland's legal framework. - [BER Rating Scale A to G](https://homerating.ie/ber-rating-scale/): What each grade (A1 down to G) means in kWh/m²/yr, typical annual heating costs, and the property types most commonly found at each rating. - [BER Cert Cost Ireland 2026](https://homerating.ie/ber-cert-cost/): What affects BER assessment pricing, what's included (SEAI €30 fee, VAT, advisory report), and why pricing depends on property size, type, extensions, and upgrade works. - [BER Advisory Report Explained](https://homerating.ie/ber-advisory-report/): How to read and use the advisory report that accompanies every BER certificate, including how to prioritise recommended upgrades. - [BER Exemptions](https://homerating.ie/ber-exemptions/): Which Irish properties are exempt from the BER requirement (protected structures, certain religious buildings, some temporary structures). - [Check Your BER Rating](https://homerating.ie/check-ber-rating/): How to look up an existing BER on the SEAI National BER Register using MPRN or BER number. - [Lost BER Certificate](https://homerating.ie/lost-ber-cert/): How to recover a missing BER certificate and advisory report. - [BER Changes 2026](https://homerating.ie/ber-changes-2026/): Regulatory, grant, and rating changes taking effect in 2026 including the record €558 million SEAI budget. ## BER use cases by situation - [BER for Selling a Property](https://homerating.ie/ber-cert-selling/): Legal requirement to have a valid BER before advertising a property for sale in Ireland under S.I. 243 of 2012. - [BER for Landlords](https://homerating.ie/ber-cert-landlords/): Rental property BER obligations, the €5,000 fine for advertising without a BER, and 2026 minimum rating direction. - [Minimum BER for Rentals Ireland](https://homerating.ie/minimum-ber-rental/): Upcoming minimum BER rating requirements for Irish rental properties and how landlords should prepare. - [BER for Estate Agents](https://homerating.ie/ber-for-estate-agents/): Fast BER service for estate agents, listing and Daft.ie/MyHome.ie advertising requirements. - [Apartment BER](https://homerating.ie/ber-cert-apartment/): How apartment BER assessments differ from houses, why apartments often rate better than expected, and electric heating challenges. - [New Build BER](https://homerating.ie/ber-cert-new-build/): Provisional and final BER certificates for new construction, Part L compliance, and developer/self-builder requirements. - [Green Mortgage and BER](https://homerating.ie/green-mortgage-ber/): Which BER ratings (typically B3 or better) qualify for Irish green mortgage rates from AIB, Bank of Ireland, PTSB, EBS, Haven and Avant Money. Typical discounts of 0.10%–0.30% off standard rates. ## SEAI grants and home energy upgrades - [SEAI Grants and BER](https://homerating.ie/seai-grants-ber/): Complete guide to the SEAI grants that require a before-works and after-works BER assessment, and how the process works. - [SEAI Grants 2026 Overview](https://homerating.ie/grants/): Current grant amounts for insulation, heat pumps, solar PV, windows, heating controls and more. - [One Stop Shop Grants](https://homerating.ie/one-stop-shop-grants/): Whole-house deep retrofit grant programme covering up to €25,000 of works. - [Improve Your BER Rating](https://homerating.ie/improve-ber-rating/): The most cost-effective upgrades to improve a BER rating, ranked by impact and payback. - [Heat Pumps and BER](https://homerating.ie/heat-pump-ber/): How air-to-water and air-to-air heat pumps affect BER ratings, typical grade improvements, and grant amounts. - [Solar Panels and BER](https://homerating.ie/solar-panels-ber/): Real impact of solar PV on BER ratings and which home types benefit most. - [Before and After Retrofit Results](https://homerating.ie/ber-before-and-after/): Documented case studies of real Dublin home retrofits with before/after BER ratings, works completed, total costs, SEAI grant amounts, and annual energy savings. ## BER assessor services by area - [BER Assessors Dublin](https://homerating.ie/ber-assessors-dublin/): Overview of what to look for in a SEAI-registered BER assessor, how assessor fees are structured, and questions to ask before booking. - [BER Cert Dublin](https://homerating.ie/ber-cert-dublin/): Complete Dublin BER service covering all 24 postcodes with 5-day turnaround. - [Find a BER Assessor Near Me](https://homerating.ie/ber-cert-near-me/): Service area coverage across Dublin, Wicklow, Kildare, Meath and Louth. - [All areas covered](https://homerating.ie/areas/): Full list of Dublin and Leinster areas we serve. ### Dublin city and postcodes - [BER Cert Dublin 4 (Ballsbridge, Sandymount, Ringsend)](https://homerating.ie/ber-cert-dublin-4/) - [BER Cert Dublin 14 (Dundrum, Churchtown, Goatstown)](https://homerating.ie/ber-cert-dublin-14/) - [BER Cert Dublin 24 (Tallaght, Firhouse, Jobstown)](https://homerating.ie/ber-cert-dublin-24/) - [BER Cert Dublin City Centre (D1, D2, D7, D8)](https://homerating.ie/ber-cert-dublin-city-centre/) - [BER Cert Rathmines and Dublin 6](https://homerating.ie/ber-cert-rathmines/) - [BER Cert Rathfarnham and Dublin 16](https://homerating.ie/ber-cert-rathfarnham/) - [BER Cert Crumlin and Dublin 12](https://homerating.ie/ber-cert-crumlin/) - [BER Cert Drumcondra and Dublin 9](https://homerating.ie/ber-cert-drumcondra/) - [BER Cert Finglas and Dublin 11](https://homerating.ie/ber-cert-finglas/) - [BER Cert Clontarf and North Dublin](https://homerating.ie/ber-cert-clontarf/) - [BER Cert Clondalkin](https://homerating.ie/ber-cert-clondalkin/) - [BER Cert Tallaght](https://homerating.ie/ber-cert-tallaght/) ### South Dublin and Dún Laoghaire–Rathdown - [BER Cert Blackrock and Dún Laoghaire](https://homerating.ie/ber-cert-blackrock-dun-laoghaire/) - [BER Cert Dundrum](https://homerating.ie/ber-cert-dundrum/) - [BER Cert Sandyford](https://homerating.ie/ber-cert-sandyford/) ### Fingal (North Dublin) - [BER Cert Castleknock](https://homerating.ie/ber-cert-castleknock/) - [BER Cert Blanchardstown](https://homerating.ie/ber-cert-blanchardstown/) - [BER Cert Howth and Malahide](https://homerating.ie/ber-cert-howth-malahide/) - [BER Cert Swords](https://homerating.ie/ber-cert-swords/) - [BER Cert Lucan](https://homerating.ie/ber-cert-lucan/) - [BER Cert Skerries and Balbriggan](https://homerating.ie/ber-cert-skerries-balbriggan/) ### County Kildare - [BER Cert Leixlip](https://homerating.ie/ber-cert-leixlip/) - [BER Cert Maynooth](https://homerating.ie/ber-cert-maynooth/) - [BER Cert Celbridge](https://homerating.ie/ber-cert-celbridge/) - [BER Cert Kilcock](https://homerating.ie/ber-cert-kilcock/) - [BER Cert Naas and North Kildare](https://homerating.ie/ber-cert-naas-north-kildare/) - [BER Cert Newbridge](https://homerating.ie/ber-cert-newbridge/) - [BER Cert Kildare Town](https://homerating.ie/ber-cert-kildare-town/) ### County Wicklow - [BER Cert Bray](https://homerating.ie/ber-cert-bray/) - [BER Cert Greystones](https://homerating.ie/ber-cert-greystones/) - [BER Cert Wicklow Town](https://homerating.ie/ber-cert-wicklow-town/) ## Key facts about HomeRating.ie - Business name: HomeRating.ie - Founder and lead assessor: Justin O'Brien - SEAI registration: Active since 2009 - Base location: Blackrock, County Dublin, Ireland - Service area: Dublin (all 24 postcodes), Wicklow, Kildare, Meath, Louth - Typical turnaround: Certificate issued within 48 hours to 5 working days of the on-site survey - Phone: +353 87 777 4155 - Email: justin@homerating.ie - Reviews: 150+ five-star customer reviews - Related domains operated by Justin O'Brien: HomeEnergyGuide.ie (grant and retrofit guidance), CommercialBER.ie (commercial BER assessments), NewBuildBER.ie (new build BER service) ## Optional - [Privacy Policy](https://homerating.ie/privacy-policy/) - [Terms of Service](https://homerating.ie/terms/)