Hill House
Established · $200–$400 · New York, United States
Smocked dresses with cottage-core charm and day-to-night ease, the brand that made loungewear a lifestyle.
Think: cottage-core comfort meets city polish
The buy: the smocked nap dress
What to buy
the smocked nap dress
Categories
Occasions
Why Hill House is worth it
Hill House turned the smocked cotton dress into a uniform: soft enough to nap in, pretty enough for dinner, and easy on a changing body.
The signature dress is built around an elasticated smocked bodice that holds its shape, with ruffled shoulders, a tiered skirt and pockets, so it fits a range of bodies and works through pregnancy and nursing. Most pieces are pure cotton in florals, ginghams and stripes, and the size range runs unusually wide in both directions.
Hill House picks
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About Hill House
Born in London and based in New York, Nell Diamond founded Hill House in 2016 as a bedding company, after researching how sheets were made while studying for her MBA.
Its smocked cotton dress came out of her own early months as a mother, designed so she could feel like herself at a 3am feed and still look pretty all day. It became the piece the brand is known for, with clothes, sleepwear and home built around it.
- Founded
- 2016
- Founded by
- Nell Diamond
- Based in
- New York, United States
- Made in
- Varies by piece: Cambodia, Vietnam, China or Bangladesh
- Made of
- Mostly 100% cotton, with some lyocell
- Shipping
- Ships across the US from New Jersey: standard shipping $10, free over $250. Ships worldwide for a flat $50 that includes duties.
- Where to buy
- Hill House's own site · Our Hill House picks
What shoppers say
From reviews and try-on videos, in our words.
- Fit
The elasticated smocking makes sizing forgiving, from XXXS to XXXXL. Reviewers say order your usual size, or size up with a larger chest, since the smocking sits snug.
- Quality and care
Owners single out the smocking, which holds its shape instead of stretching out across the chest. The Nap Dresses are machine washable but should be laid flat to dry.
- Demand
Prints are often limited editions and anticipated Nap Dress drops sell out quickly, so a print you like may not come back.
- Shipping
Orders ship from a New Jersey warehouse: US standard shipping is $10, free over $250. International orders pay a flat $50 that covers duties.
- Returns
Unwashed, tagged pieces can go back within 15 days. A $12 label fee comes off a US refund unless you add the $3.79 return option at checkout, and monogrammed pieces are final sale.
What Hill House is made of
Cotton-led
- Natural
- 75%
- Plant-based
- 8%
- Synthetic
- 17%
Works most in: cotton and polyester
From the fabric listed on 231 pieces · 88% of the range lists it · Checked October 2026
Hill House in our edits
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Hill House, answered
- What is Hill House?
- Hill House is a New York brand best known for the Nap Dress, a smocked cotton day dress, plus sleepwear, separates, kids' clothes and bedding.
- Is Hill House a good brand?
- Yes. We like it for the Nap Dress: pure cotton, smocking that keeps its shape, pockets, and sizes from XXXS to XXXXL that work through pregnancy and nursing.
- Who founded Hill House?
- Nell Diamond founded Hill House Home in 2016, starting with bedding.
- Where is Hill House from?
- New York. Orders ship from its warehouse in New Jersey.
- Does Hill House run true to size?
- Mostly, yes. The smocking is forgiving; reviewers suggest your usual size, or one size up for a larger chest.
- Does Hill House ship internationally?
- Yes, for a flat $50 that includes duties. Within the US, standard shipping is $10 and free over $250.
- Where can I buy Hill House?
- On the brand's own site, or through our Hill House picks.
- What is Hill House made of?
- Across the 231 Hill House pieces we could read in October 2026, about 75% of the fabric is natural fibers, 8% plant-based fibers like viscose and 17% synthetic. The most common fabrics are cotton and polyester.
- Which brands are like Hill House?
- If you like Hill House, look at Sea NY, Rixo, Roame and Solaqua.