Plas Mawr's gatehouse and crow-stepped gables seen from Conwy's High Street.

Conwy County Borough

Plas Mawr The Great Hall

Britain's best-preserved Elizabethan interior, still on Conwy's High Street.

Before you go.

Get the season and the access reality right, and the house is straightforward.

CHECK FIRST · OPENING

The house is closed entirely from 2 November to 28 February. Check today’s opening hours before you travel.

Time needed
Around half a day · a considered interior visit, not a quick look
Best time
Mar–Sep for full hours · no published quiet-time guidance
Opening, entry & booking
£10.90 adult (Jun–Aug) · 9:30–5 Mar–Sep, shorter Oct · closed Nov–Feb
Access & difficulty
Ground floor only, call ahead
Parking & start point
No on-site parking · nearest Vicarage Gardens
Getting there
About 0.6 km away
Toilets, food & facilities
Accessible, on site
Dogs
Assistance dogs only
Plan with confidence. Detailed information on arrival, access, facilities, restrictions and local conditions.
Opening, entry & booking
Joint ticket
One ticket also covers nearby Conwy Castle, same day.
Booking
Not required; booking online gives a 5% saving.
Contact
03000 252239 · PlasMawr@gov.wales
Parking, start point & arrival
On site
No dedicated Plas Mawr car park; the house sits directly on the High Street.
Nearest
Vicarage Gardens pay-and-display; Conwy Castle’s car park is also close by. Open Vicarage Gardens car park in Google Maps.
Tariff
Exact tariff and payment method aren’t stated on the source page checked; see current details via Conwy County Borough Council.
Public transport & car-free access
Address
High Street, Conwy, LL32 8DE.
By rail
Conwy railway station is about 0.6 km away; Llandudno Junction about 2 km.
Journey planner
Plan bus and train connections with the Traveline Cymru journey planner.
Toilets, food & facilities
Toilets
Accessible toilet with baby-changing, on site.
Other facilities
Gift shop and guidebooks at the gatehouse; audio tour; portable hearing loop.
Food
No on-site café; courtyard picnic tables are available.
Accessibility & terrain
From the gatehouse
About 30 metres of cobbles and a step to the main house.
Wheelchair access
Ground floor of the main house only, via a side entrance; call ahead (01492 573605) to arrange it.
Upper floors
Step-only, with high thresholds and low doorways; a steep ladder-style stair reaches the tower.
Hearing
A portable induction loop is available.
Dogs & restrictions
Standing rule
Assistance dogs only, on leads, not seasonal.
Garden note
Poisonous plants are present in the garden; keep dogs away from the planting.
Safety, weather & local conditions
On site
Low ceilings, uneven or slippery surfaces, steep steps, and a falling-masonry risk are flagged by Cadw; this is a working historic building, not a fully modernised museum.
Emergency
In an emergency, call 999.

PLACE-SPECIFIC DETAILS

Other place details
Address
High Street, Conwy, LL32 8DE

What to bring

  • Comfortable shoes
  • Waterproof layer
  • Cash or card for tickets
  • Water

Seven rooms, and every one of them still talking.

Robert Wynn built Plas Mawr between 1576 and 1585, then decorated it with painted plasterwork that still carries his family’s heraldry: badges, royal arms, and a claimed descent from the princes of Gwynedd, on the walls of an ordinary Conwy street.

A dispute over Wynn’s will froze the interior for over thirty years after his death. Cadw’s restoration then redecorated the rooms to look as they would around 1665, a single, specific year picked out of the house’s long life.

Should this shape your day?

Britain’s best-preserved Elizabethan interior, sharing a ticket with Conwy Castle two streets away.

Good fit for

  • visitors curious about domestic Tudor/Elizabethan history
  • anyone already at Conwy Castle, using the same ticket
  • a slower, room-by-room, audio-guided pace
  • anyone drawn to decorative plasterwork and heraldry

Think twice if

  • you need step-free access beyond the ground floor
  • you're visiting between November and February
  • you want a five-minute stop, not a considered visit
  • you're arriving right before closing

Season changes everything

  • closed 2 November–28 February
  • shorter hours from 1 October
Check today’s opening hours

Best experience

Work through the audio tour room by room, reading the plasterwork the way the Wynns meant it to be read, as a public statement of who they were.

A close view of the parlour's original painted plasterwork at Plas Mawr, including a carved decorative face.
Seven rooms of original Elizabethan plasterwork, still on the walls.

One visit, seven scenes.

See the shape of the visit before you commit to it.

  1. 01 Arrival

    The gatehouse on Conwy’s High Street.

  2. 02 Ticket & shop

    Buy tickets, pick up the audio guide.

  3. 03 Courtyard & garden

    Cobbles and a step, past the reconstructed garden.

  4. 04 Entrance hall

    Ground floor, wheelchair accessible.

  5. 05 The decorated rooms

    Great chamber and private rooms, step-only.

  6. 06 Attic & tower

    Low roof trusses, a steep ladder-style stair.

  7. 07 Back through the garden

    The exhibition and shop, on the way out.

The parts people remember

Plas Mawr is not one room. It is a house that gives itself up slowly, floor by floor.

  1. Off the High Street, through the gatehouse

    The frontage stands in a row of working shopfronts. You go in under the gatehouse and the town is simply behind you; a few paces put a courtyard where the pavement was.

  2. The courtyard shows you the house first

    The main house doesn’t meet you at the door. It waits on the far side of an open courtyard and its garden, so the whole frontage (gables, mullioned windows and all) is in front of you well before you are anywhere near going in.

  3. The house tightens as you climb

    The scale keeps narrowing on the way up. Tall decorated rooms give way to low roof trusses under the attic, and the last stair to the tower turns into something closer to a ladder.

  4. The plasterwork resolves the longer you look

    From the middle of a room the ceilings and overmantels read as pattern. Stand closer and the pattern separates out into badges, arms and emblems, and then you start finding them in the next room too.

  5. Back out, with your eye still adjusted

    The way out crosses the same courtyard and returns you to the High Street: a few paces from a decorated interior to a row of shopfronts, with nothing in between to soften the change.

What stays with you isn’t the whole house. It’s how much of it you only saw by standing still.

House Archive

Old stories, carefully told.

Four field notes on what this house has seen: construction, household, dispute, and restoration.

All four notes below are documented history. No folklore was found for this place, and none is invented here.

Field notes

Four entries. Open one to read the note.

Construction Fact

Three phases, one house

Field note I · filed under construction

Built in three phases for the merchant Robert Wynn, between 1576 and 1585.

What is known

Plas Mawr was built 1576–1585 for Robert Wynn, and is managed today by Cadw (Cadw).

Further detail

Wynn bought an existing mansion house from Hugh Merche in 1570, then built in three phases: a new wing, the demolition of the old house, and an entrance range and further wing that completed the present plan, at a total cost of around £800.Single source

What to notice there

The gatehouse, finished in 1585, was only the third of its kind built in North Wales at the time, an unusually fashionable choice for a Conwy street.

Household Fact

Marrying into a claim

Field note II · filed under household

Robert and Dorothy Wynn used the house itself to argue for their standing.

What is known

Robert Wynn and his wife Dorothy claimed descent from the princes of Gwynedd, and displayed heraldic symbols reflecting that genealogy throughout the house (Cadw).

What it shows

The plasterwork carries royal badges and the Earl of Leicester’s bear-and-ragged-staff emblem alongside the Griffith family’s severed-head symbol: a household decorating in status and allegiance, not just decoration.

What to notice there

The great chamber displays royal arms prominently, where guests were entertained; the private bedrooms carry the Wynn family’s own emblem more heavily.

Dispute Fact

Frozen by a will

Field note III · filed under inheritance

A legal fight over Robert Wynn’s will accidentally preserved the house for a generation.

What is known

After Robert Wynn’s death in 1598, a dispute over his will prevented alterations to the house until 1630.Single source

What it shows

Thirty-two years with nobody permitted to change a thing is a large part of why the plasterwork you see today is still substantially Robert Wynn’s own.

What to notice there

The house’s survival owes as much to a legal stalemate as to any deliberate act of preservation.

Restoration Fact

One year, chosen

Field note IV · filed under restoration

Cadw’s restoration didn’t recreate every century; it picked one.

What is known

Plas Mawr was taken into state care by Cadw in 1993, which then carried out a 42-month, £3.3 million restoration.Single source

What it shows

The rooms were redecorated to reflect how the house looked around 1665, and the garden was replanted in a Renaissance style: a considered choice of one moment, not a generic period look.

What to notice there

The Great Chamber now also hosts civil ceremonies: a working room again, not only a museum piece.

Continue exploring

A house this fine hiding on the high street is very Conwy.