Urban Grid Knitted Afghan [FREE Knitting Pattern]

There is something quietly satisfying about a project that looks far more complicated than it actually is. The Urban Grid Knitted Afghan is exactly that kind of pattern. With its bold geometric structure and clean, architectural lines, this blanket gives the impression of a complex design that took years of experience to master — but the truth is that even a confident beginner can work through it with ease. Whether you are looking to drape it over your sofa, gift it to someone who appreciates handmade things, or simply challenge yourself with a new texture stitch, this afghan is a project worth casting on.

This pattern draws its inspiration from the straight edges and intersecting lines of city streetscapes. Think of looking down at a map of a well-planned neighborhood, where blocks of space are organized into a clean, repeating structure. The stitch pattern creates raised ridges that form a grid across the surface of the blanket, giving it a three-dimensional quality that catches the light in a way that stockinette or garter stitch alone never quite manages. The result is a piece that feels modern and design-forward without being fussy or overly trendy.

Below you will find everything you need to knit this blanket from start to finish, including materials, gauge, stitch pattern instructions, and notes to help you customize the project to suit your own needs.

Materials You Will Need

Before you cast on, gather the following:

Yarn: Approximately 1,400 to 1,600 yards of bulky weight yarn (size 5 or 6). A smooth, single-ply or tightly twisted yarn works best because it allows the grid texture to read clearly. Wool and wool-blend yarns are especially good choices because they have natural elasticity, which helps the ridges pop. Cotton or cotton-blend yarns can also work beautifully and give the finished blanket a slightly drapier feel — just be aware that cotton does not have the same bounce-back, so you may want to size up half a needle size.

For a classic, graphic look, choose a solid or heathered tone. A deep charcoal, warm oatmeal, or navy would look stunning. If you want a more playful result, a muted sage green or rust tone will feel fresh without losing the modern quality of the pattern.

Needles: US size 10 (6 mm) circular knitting needles, 32 to 40 inches in length. Circular needles are recommended even though this is worked flat — the cable accommodates the width of the blanket comfortably without crowding your stitches.

Additional supplies: Tapestry needle for weaving in ends, scissors, stitch markers (optional but helpful for tracking pattern repeats), and a ruler or tape measure for checking gauge.

Gauge

14 stitches and 20 rows = 4 inches in the Urban Grid stitch pattern, blocked.

Gauge matters more for afghans than many knitters assume. Because the finished dimensions depend on the stitch count and row count over a significant area, even a small gauge difference compounds over the width and length of a blanket. If your gauge swatch is off by even one stitch per four inches, your finished blanket could end up several inches wider or narrower than intended.

To check gauge: Cast on 20 stitches and work the Urban Grid pattern for at least 24 rows. Bind off loosely, wet block your swatch, let it dry completely, and then measure. Adjust your needle size as needed — go up a size if your gauge is too tight, down a size if it is too loose.

Finished Dimensions

Approximately 48 inches wide by 60 inches long after blocking. This makes a generous throw that works well on a full-size sofa or as a bed runner on a twin bed. If you would like a larger blanket — say, a full lap blanket for two or a bed blanket — instructions for adjusting the size are included in the notes section at the end of the pattern.

Abbreviations

Understanding the abbreviations used in this pattern will help you move through it more efficiently. Here is the complete list:

CO — cast on, BO — bind off, k — knit, p — purl, RS — right side, WS — wrong side, rep — repeat, st(s) — stitch(es), sl — slip stitch purlwise with yarn in back unless otherwise noted, pm — place marker, sm — slip marker.

The Urban Grid Stitch Pattern

The texture in this blanket is created by alternating sections of stockinette with raised purl ridges arranged to form a grid. The pattern is worked over a multiple of 10 stitches plus 3, and the full stitch repeat is 12 rows tall. Once you have worked through the repeat two or three times, you will likely find that you have memorized it and no longer need to look at the instructions with every row.

Pattern Repeat (worked over a multiple of 10 sts + 3):

Row 1 (RS): K3, p7, k3; rep from to end.
Row 2 (WS): P3, k7, p3; rep from to end.
Row 3: K3, p7, k3; rep from to end.
Row 4: P3, k7, p3; rep from to end.
Row 5: Knit across.
Row 6: Purl across.
Row 7: Knit across.
Row 8: Purl across.
Row 9: P7, k3, p7; rep from to end.
Row 10: K7, p3, k7; rep from to end.
Row 11: P7, k3, p7; rep from to end.
Row 12: K7, p3, k7; rep from to end.

These 12 rows form one complete vertical repeat of the grid pattern. Work the full length of your blanket by repeating these 12 rows until the piece reaches 60 inches, ending after row 12 or row 4 (either ending point gives you a natural stopping place before the border).

Pattern Instructions

Cast on 173 stitches using your preferred long-tail cast on or cable cast on. Both methods give a firm, tidy edge that holds up well along the sides of a blanket.

Border setup: Before beginning the main pattern, work a garter stitch border to stabilize the edges and prevent curling.

Rows 1–6: Knit every stitch on every row (this is garter stitch).

After completing the 6-row garter border, you are ready to begin the main Urban Grid pattern. However, to keep the left and right edges from curling and to give the blanket a clean, finished frame, you will add a 4-stitch garter border on each side throughout the body of the blanket.

Working the body with side borders:

Every RS row: K4, work Urban Grid pattern to last 4 sts, k4.
Every WS row: K4, work Urban Grid pattern to last 4 sts, k4.

The 4 garter stitches on each side are knitted on every row regardless of what the pattern calls for in the body. This is the only place you need to modify the stitch count — the 173 total stitches include the 4-stitch borders on each side, so the center 165 stitches carry the Urban Grid pattern (165 is a multiple of 10 plus 5, which accommodates the pattern repeat nicely with the visual balance of the grid centered on the blanket).

Continue working in this manner — maintaining the 4-stitch garter border on each side while working the 12-row Urban Grid repeat through the center — until the blanket measures approximately 58 inches from the cast-on edge, ending after a complete 12-row repeat.

Closing border: Work 6 rows of garter stitch (knit every stitch on every row) to mirror the cast-on border.

Bind off loosely on the right side. A stretchy bind-off is recommended here — the classic suspended bind-off or the simple method of binding off with a needle one size larger will keep the top edge from pulling in.

Finishing

Weave in all ends securely using a tapestry needle. Work the ends into the wrong side of the fabric in different directions so they do not work loose over time.

Blocking is the step that genuinely transforms this project. The grid pattern, while visible even unblocked, blooms and opens up beautifully when the blanket has been wet blocked. Here is how to do it:

Fill a bathtub or large basin with cool to lukewarm water. Submerge the blanket completely and gently press it down until it is fully saturated — do not agitate or wring it. Let it soak for about 20 minutes. Then lift the blanket carefully (wet wool is heavy and needs to be supported fully to avoid stretching out of shape), gently press out excess water against the side of the tub, and roll it in a clean dry towel to remove more moisture.

Lay the blanket flat on a clean surface — blocking mats, a guest bed, or clean carpet all work. Pat and pin the blanket to your target dimensions (48 by 60 inches), paying particular attention to the corners and edges. Let it dry completely before removing the pins. Depending on your climate and the yarn fiber content, this can take anywhere from 12 to 48 hours.

Once dry, the Urban Grid blanket will lie flat, the purl ridges will stand up crisp and clean, and the grid lines will appear even and precise.

Tips for Success

A few things worth keeping in mind as you work through this pattern.

The most common mistake in a grid-based texture pattern is losing track of where you are in the 12-row repeat. Stitch markers placed at every 10-stitch repeat along the row can help you catch errors early, before you have worked too far to go back. If you notice that your purl columns are not lining up with the previous repeat, stop and count back — it is almost always a row-count issue rather than a stitch count issue.

Yarn choice has an enormous impact on how graphic the grid appears. High-contrast, smooth yarns make the texture read most clearly. Heavily textured yarns, bouclés, or highly variegated colorways can obscure the grid and make it harder to see your pattern progress as you knit. If this is your first time working this pattern, stick with a smooth, solid yarn so you can see what you are doing and appreciate the structure as it develops.

If you find the garter stitch border pulling slightly tighter than the body of the blanket, try slipping the first stitch of each row rather than knitting it. This creates a neat chain along the edge and distributes tension more evenly.

Sizing Notes and Adjustments

The pattern as written produces a 48 by 60-inch throw. Here is how to adjust the size to suit your needs.

To make the blanket wider, add stitches in multiples of 10. Each additional 10 stitches will add approximately 2.8 inches to the width. So if you want a blanket that is 54 inches wide instead of 48, add 20 to 30 stitches depending on your gauge.

To make the blanket longer, simply continue working the 12-row repeat until the blanket reaches your desired length. Each 12-row repeat adds approximately 2.4 inches to the length. To reach 72 inches, for example, you would work approximately 5 additional 12-row repeats beyond the instructions above.

To make a smaller version — a lap blanket, a baby blanket, or a generous dishcloth — reduce the stitch count to a multiple of 10 plus 3, plus the 8 stitches for the borders on each side. A 63-stitch cast-on produces a blanket approximately 18 inches wide, suitable for a baby or a small lap square.

Yarn Substitution Ideas

The pattern works with any bulky weight yarn, but here are a few specific suggestions to get you started. Cascade 128 Superwash is widely available, comes in a huge range of colors, and blocks like a dream. Lion Brand Wool-Ease Thick & Quick is an accessible, affordable option with great stitch definition for the price. Malabrigo Rasta gives the blanket a luxurious, almost handspun quality and is especially beautiful in the brand’s rich, tonal colorways. For a cotton option, Lion Brand 24/7 Cotton in a larger weight or held double gives you the drape and washability of cotton with reasonable stitch definition.

When substituting yarn, always check your gauge rather than assuming a yarn labeled as the same weight will knit up at the same tension. Different fiber contents and constructions can vary quite a bit even within the same weight category.

Why This Pattern Works as a Gift

Handmade afghans are among the most meaningful gifts a knitter can give. They represent hours of care and attention, and they become objects that people actually use — draped over sofas, tucked around shoulders on cold evenings, spread across beds in guest rooms. The Urban Grid Afghan works particularly well as a gift because it looks deliberately designed and stylish in a way that many recipients appreciate. It does not read as grandmotherly or overtly crafty to people unfamiliar with knitting traditions. It reads as a beautiful, substantial throw blanket that happened to be made by someone who cares.

For gifting, consider pairing the blanket with a handwritten card that mentions the yarn fiber content and care instructions. Most people do not know how to care for a handknit item properly, and giving them that information upfront protects the hours you put into the work.

Caring for Your Urban Grid Afghan

Always follow the care instructions on your yarn label, as these will be specific to the fiber content you chose. As a general rule, wool and wool-blend blankets benefit from hand washing or a gentle machine cycle in cold water, then blocking flat to dry. Superwash wool can typically be machine washed on a gentle cycle and laid flat to dry. Cotton blankets can often be machine washed and even tumble-dried on a low setting, though air drying flat will preserve the shape best over time.

Store the finished blanket folded in a breathable fabric bag or a cotton pillowcase rather than a plastic bin, especially if it is wool. Wool needs airflow, and plastic can trap moisture in ways that lead to damage over time.

Final Thoughts

The Urban Grid Knitted Afghan is the kind of project that rewards you at every stage. The casting on is satisfying because it promises something substantial to come. The first few inches of garter border feel grounding. Then the grid pattern begins, and there is a real pleasure in watching those purl ridges stack up row after row, forming their precise intersections across the fabric. By the time you reach the bind-off, you have made something that looks intentional and architectural and quietly beautiful.

This pattern is free to use for personal projects and gifts. If you share your finished blanket on social media, tagging the project so others can find the pattern helps the knitting community connect and grow.

Happy knitting — and may your tension be even, your yarn never tangle, and your finished blanket land exactly where it belongs.