Renovating a flat in Budapest

What a renovation costs

There is no official price list for flat renovations, so the best public guides are estimates from property analysts. The most detailed recent one is from zenga.hu, for a 50 to 60 m² flat in Budapest. The per-square-metre column is our own division of those totals, to help you scale to your flat.

Other published figures sit in the same range. Duna House put a cosmetic refresh of a 60 m² flat at up to about 6 million HUF and a thorough renovation with energy upgrades at up to about 15 million (Economx, 17 June 2025). Bankmonitor quotes 200,000 to 400,000 HUF per m² as a starting range and lists what budgets tend to leave out: design, permits, demolition and waste removal, and old wiring found once walls are opened (24 April 2025). Keep a reserve on top of the quote.

What needs consent or a permit

Think in three circles: your flat, the building, and the authorities.

• Inside your flat. The Condominium Act lets an owner carry out works in their own flat without a resolution of the owners' meeting, as long as the works do not affect shared property or require a change to the building's founding deed. You do have to notify the building manager (közös képviselő) of planned construction in advance (sections 20 and 21).
• Shared parts. Load-bearing walls, the facade, the roof and the shared risers for water, waste, gas and heating belong to all owners. Work that touches them needs the approval of the owners' meeting (közgyűlés), as does merging or splitting flats.
• House rules. The building's rules set when noisy work is allowed and how shared areas may be used for deliveries and rubble (section 26). Ask for them before your builder starts.
• Building permit. Interior work such as new floors, a kitchen, a bathroom, wiring or moving a non-structural partition is normally done without a building permit. Work that alters the load-bearing structure needs a structural engineer and may need a permit or notification under the building procedure rules (Government Decree 281/2024). We have not verified every case against the decree's annexes, so ask an architect or the district building authority before you plan around this.
• Gas and flues. Changes to gas appliances and pipes follow their own approval route through a licensed gas fitter and the network operator, so plan them early.

Source: Condominium Act (2003. évi CXXXIII. törvény), sections 20, 21 and 26, text in force from 29 November 2025, at net.jogtar.hu; Government Decree 281/2024 (IX. 30.), text in force from 10 October 2026, at net.jogtar.hu.

Listed buildings and district heritage rules

• Listed buildings (műemlék). A heritage permit is needed for work that changes the appearance or structure of a protected element, including the facade, windows and roof. For protected interiors it also covers changes to the floor plan, interior surfaces, doors and windows, and the building services. The owner applies to the heritage authority at the government office, with plans, and the stated processing time is 25 days (Budapest government office guidance, June 2024).
• Local protection and townscape rules. Each district has a townscape decree (településképi rendelet) and may protect buildings locally. These typically govern what is visible from the street: window replacement, shutters, air-conditioning units and signage. The district chief architect's office (főépítész) can tell you what applies to your address.
• World Heritage areas. Andrássy út, the Buda Castle quarter and the Danube banks are UNESCO-listed, so expect closer attention to facades there.

Listed status is normally recorded on the title deed; ask your lawyer to confirm it during the title deed checks. A protected building simply means more planning time.

Source: Budapest Főváros Kormányhivatala, "Tájékoztatás az örökségvédelmi engedélyezési eljárásról", June 2024, at kormanyhivatalok.hu. District rules differ; confirm with the district before you order windows or an air conditioner.

Finding and contracting tradespeople

Good teams are found mostly by recommendation: neighbours in the building, the building manager, colleagues, and other owners in the community. Ask to see a finished job and speak to that client. Contact teams well before you want to start, then put the agreement in writing.

1. Get three itemised quotes against the same written scope, with labour and materials shown separately.
2. Sign a written contract (vállalkozási szerződés) naming the contractor's company and tax number, the scope, the materials, the start and finish dates, the price, and what happens if the work runs late or the scope changes.
3. Pay in stages tied to completed work, with a modest advance for materials and a final portion held until handover. Pay by bank transfer against an invoice.
4. Close with a handover protocol (átadás-átvételi jegyzőkönyv): walk through together, list any snags with a date for fixing them, and collect warranty papers and appliance manuals.
5. Keep every invoice. You will want them for warranty claims, and if you let the flat, renovation costs can be deducted on the itemised tax route (see tax on rental income).

If your Hungarian is limited, a bilingual project manager or architect who supervises the works can be worth the fee on a full renovation.

Timeline

Works typically take three to six months and delays are common (Bankmonitor, 24 April 2025). The flat cannot be lived in or let during a full renovation, so count that time as a cost: rent elsewhere, or rent not received. Add time before the start for design, quotes and any consent from the owners' meeting or the heritage authority.

Energy performance and state support

An energy certificate (energetikai tanúsítvány) is required when a home is sold or let, so a renovation is a good moment to improve the rating and have a new certificate issued afterwards. In a flat the practical gains are windows and heating; wall insulation is usually a building-level decision because the facade is shared.

State support in November 2026. Nothing is currently open for a flat in Budapest. The national energy-renovation loan and grant scheme was aimed at family houses, and applications closed in Budapest in mid-April 2026 and nationwide after 23 April 2026 (Economx, 20 April 2026). On 21 October 2026 the economy and energy minister announced a successor that would include condominium flats: eligible costs of up to 5.2 million HUF (about 14,200 EUR) per flat, with a grant and a subsidised loan together covering up to 5 million HUF and an own contribution of up to 200,000 HUF. Reports add a grant share of 30 to 50 percent and a required energy saving of at least 30 percent. The scheme was still under consultation when announced and would open in 2027 if adopted (MTI in Adózóna, 21 October 2026; ingatlan.com in Biztos Döntés, 26 October 2026). Check the final rules before relying on any figure here.

For buying rather than renovating, the subsidised purchase loans are covered in mortgages and financing.

How renovation affects value

Renovated flats sell for more, and the gap is measurable. In October 2026, renovated, good-condition or like-new flats in Budapest were advertised at about 1.5 million HUF/m² and flats to renovate or in average condition at about 1.22 million HUF/m², a difference of about 281,000 HUF/m² (about 770 EUR), or 23 percent. For brick flats the gap was 23 percent; for panel flats 8 percent. Two years earlier the overall gap was 28 percent, because flats to renovate have risen faster in price (ingatlan.com in Biztos Döntés, 26 October 2026).

Set that against the cost table. A full renovation at 215,000 to 340,000 HUF per m² is about the size of the price gap for a brick flat and well above it for a panel flat. So a renovation rarely pays for itself through resale alone; what it gives you is the home you want and a flat that lets and sells more easily (our selling guide covers low-cost presentation). Flats to renovate averaged about 1.1 million HUF/m² in early 2026, up about 20 percent in a year (Duna House in Economx, 10 March 2026), so the discount for taking on the work is smaller than it used to be. When you compare two flats, add the renovation quote and the months without use to the cheaper one before deciding.