# 2 bedroom end of terrace house for sale (SA3 4BH) ## Property Details | Key | Value | |-----|-------| | Address | 21 CASTLE STREET, SWANSEA, MUMBLES, SWANSEA SA3 4BH | | Price | £450,000 | | Bedrooms | 2 | | Bathrooms | 1 | | Council tax | D | | Construction age | England and Wales: 1900-1929 | | Floor area | 94 m² | | Last sold | £274,000 Mar 2021 | ## EPC Rating & Upgrade Cost - **Current rating:** E - **Potential rating:** B - **Expiry date:** 23/02/2035 - **Current heating cost:** £1,416/year - **Est. upgrade cost to C:** £27,775 ### Recommendations - A2 (£850 - £1,500) - A3 (£1,500 - £2,700) - B (£500 - £1,500) - Q (£4,000 - £14,000) - W2 (£4,000 - £6,000) - N (£4,000 - £6,000) - U (£3,500 - £5,500) [View full EPC on gov.uk](https://find-energy-certificate.service.gov.uk/energy-certificate/6700-6145-0422-4422-3253) ## Description Located in the heart of the highly sought-after village of Mumbles, this beautifully renovated end-of-terrace property offers stylish and contemporary living across three floors. Finished to an exceptional standard throughout and being sold with no onward chain, this charming home blends character and modern convenience in equal measure. The accommodation on the ground floor comprises a welcoming cloakroom, a spacious lounge and dining area perfect for entertaining, a modern kitchen, and a bright and airy sitting room. The first floor features a luxurious bathroom suite and two well-appointed bedrooms, with the second currently arranged as a dressing room. A further staircase leads to a versatile attic room on the top floor, presently used as a home office, ideal for remote working or as a creative space. The rear of the property enjoys beautiful views of the historic Oystermouth Castle and boasts a low-maintenance garden designed for year-round enjoyment. A resin seating area provides ample space for outdoor dining, complemented by AstroTurf-style flooring for ease of upkeep. Beyond the garden, private electric gates lead to off-road parking and a detached outbuilding. This additional space, equipped with Sky and broadband, is currently used as a peaceful relaxation room but offers a range of potential uses. Occupying a plot of approximately 0.05 acres and with a floor area of 1003 sq ft, this exceptional home offers privacy, comfort, and a prime location just moments from the seafront, boutiques, and vibrant cafes of Mumbles village. **Entrance** - Via a composite door into the open plan lounge/dining room. **Lounge/Dining Room** - 6.973 x 4.191 (22'10" x 13'8" ) - With stairs to the first floor. Double glazed bay window to the front with a set of double glazed PVC doors leading out to the front. Set of frosted double glazed windows to the side. Two feature gas fires set in fireplace. Opening to the kitchen. Two radiators. Spotlights. **Lounge/Dining Room** - **Lounge/Dining Room** - **Lounge/Dining Room** - **Kitchen** - 2.113 x 3.133 (6'11" x 10'3" ) - A beautifully appointed kitchen fitted with a range of base and wall units. Running marble work surface incorporating a five ring gas hob with oven and grill under. Extractor hood over. Integral Neff microwave. Integral wine cooler. Integral dishwasher. Integral fridge. Integral freezer. Spotlights. Stainless steel sink and drainer unit with contemporary mixer tap over. Food waste disposal. Opening to the sitting room. Door to the cloakroom. **Kitchen** - **Cloakroom** - 2.364 x 1.141 (7'9" x 3'8" ) - Beautifully appointed with a Velux roof window to the side. Radiator. Doors to built-in storage. WC. Wash hand basin. Heated towel rail. Spotlights. **Sitting Room** - 2.696 x 3.279 (8'10" x 10'9" ) - With a set of bifold doors to the rear garden. Feature gas fire set on the wall. Spotlights. **Sitting Room** - **First Floor** - **Landing** - Door to the bathroom. Doors to bedrooms. Door with stairs leading up to the attic room. **Bathroom** - 3.173 x 2.278 (10'4" x 7'5" ) - Well appointed bathroom suite with a double glazed window to the rear offering a pleasant outlook of Oystermouth Castle. Suite comprising a bathtub with shower over. Corner steam shower cubicle. WC. Wash hand basin. Spotlights. Extractor fan. Heated towel rail. **Bathroom** - **Bedroom One** - 3.331 x 3.153 (10'11" x 10'4" ) - With a set of double glazed PVC doors to the front Juliet balcony. Radiator. Spotlights. Doors to built-in wardrobes. **Bedroom One** - **Bedroom Two** - 3.465 x 1.909 (11'4" x 6'3" ) - Currently being used as a dressing room. With a set of double glazed doors to the rear. Wall mounted radiator. Doors to built-in wardrobes. **Bedroom Two** - **Second Floor** - **Attic Room** - 3.667 x 3.876 (12'0" x 12'8" ) - Velux roof window to the rear. **Attic Room** - **External** - **Front** - You have a courtyard garden with resin flooring. **Aerial Aspect** - **Rear** - Low maintenance which comprises of a resin seating area with ample room for tables and chairs which in turn has a AstroTurf style flooring. You also have private electric gates providing access to the parking. Detached outbuilding (with Sky & broadband) currently being used as a relaxation room. **Rear** - **Rear** - **Outbuilding** - 3.477x 1.727 (11'4"x 5'7" ) - **Outbuilding** - **Outbuilding** - **Services** - Mains electric. Mains sewerage. Mains water. Mains gas. Broadband type - full fibre. Mobile phone coverage available with EE, O2 Three & Vodafone. **Council Tax Band** - Council Tax Band - D **Tenure** - Freehold. ## Property Photos - ![19-P1153766.jpg](/listings/photos/172077806/616867) - 19-P1153766.jpg - ![Lounge/Dining Room](/listings/photos/172077806/616868) - Lounge/Dining Room - ![Rear](/listings/photos/172077806/616869) - Rear - ![Sitting Room](/listings/photos/172077806/616870) - Sitting Room - ![Lounge/Dining Room](/listings/photos/172077806/616871) - Lounge/Dining Room - ![Lounge/Dining Room](/listings/photos/172077806/616872) - Lounge/Dining Room - ![Lounge/Dining Room](/listings/photos/172077806/616874) - Lounge/Dining Room - ![Kitchen](/listings/photos/172077806/616875) - Kitchen - ![Kitchen](/listings/photos/172077806/616876) - Kitchen - ![Cloakroom](/listings/photos/172077806/616877) - Cloakroom - ![Sitting Room](/listings/photos/172077806/616878) - Sitting Room - ![Landing](/listings/photos/172077806/616879) - Landing - ![Bedroom One](/listings/photos/172077806/616881) - Bedroom One - ![Bedroom One](/listings/photos/172077806/616882) - Bedroom One - ![Bedroom Two](/listings/photos/172077806/616883) - Bedroom Two - ![Bedroom Two](/listings/photos/172077806/616884) - Bedroom Two - ![Attic Room](/listings/photos/172077806/616885) - Attic Room - ![Attic Room](/listings/photos/172077806/616886) - Attic Room - ![Bathroom](/listings/photos/172077806/616887) - Bathroom - ![Bathroom](/listings/photos/172077806/616888) - Bathroom - ![Front](/listings/photos/172077806/616889) - Front - ![Rear](/listings/photos/172077806/616890) - Rear - ![Rear](/listings/photos/172077806/616892) - Rear - ![Outbuilding](/listings/photos/172077806/616893) - Outbuilding - ![Outbuilding](/listings/photos/172077806/616894) - Outbuilding - ![Outbuilding](/listings/photos/172077806/616895) - Outbuilding - ![Aerial Aspect](/listings/photos/172077806/616896) - Aerial Aspect ## Floorplans - ![Floorplan.jpg](/listings/photos/172077806/616897) - Floorplan.jpg ## EPC Graphs - ![EE Rating](/listings/photos/172077806/616898) - EE Rating ## FENSA Certificates This property has 1 FENSA certificate(s) on record. ### FENSA Certificate #1038013 - **Address:** 21 Castle Street, Mumbles, SA3 4BH - **Certificate Issued:** 03/10/2003 - **Work Completed:** 08/09/2003 - **Items:** 7 window(s), 1 door(s) ## Sales History *Recorded sales for this property. Data from Land Registry Price Paid.* | Address | Price | Date | Type | |---------|-------|------|------| | 21 CASTLE STREET, MUMBLES, SWANSEA, SA3 4BH | £274,000 | 26/03/2021 | Terraced | | 21 CASTLE STREET, MUMBLES, SWANSEA, SA3 4BH | £187,500 | 17/08/2012 | Terraced | | 21 CASTLE STREET, MUMBLES, SWANSEA, SA3 4BH | £176,500 | 24/06/2005 | Terraced | | 21 CASTLE STREET, MUMBLES, SWANSEA, SA3 4BH | £49,500 | 23/12/1996 | Terraced | ## Sold Comparables *Same street and nearby sales within 0.25 miles. Data from Land Registry Price Paid. Last 5 years.* | Address | Price | Date | Type | |---------|-------|------|------| | 12 CASTLE SQUARE, MUMBLES, SWANSEA, SA3 4BJ | £208,000 | 21/11/2025 | Terraced | | [Same street] 16 CASTLE STREET, MUMBLES, SWANSEA, SA3 4BH | £260,000 | 31/10/2025 | Terraced | | 11 KINGS ROAD, MUMBLES, SWANSEA, SA3 4AJ | £280,000 | 23/07/2025 | Terraced | | 23 OAKLAND ROAD, MUMBLES, SWANSEA, SA3 4AQ | £456,500 | 18/03/2025 | Terraced | | [Same street] 14 CASTLE STREET, MUMBLES, SWANSEA, SA3 4BH | £387,500 | 12/02/2024 | Terraced | | 6 CHAPEL STREET, MUMBLES, SWANSEA, SA3 4NH | £340,000 | 09/10/2023 | Terraced | | [Same street] 11 CASTLE STREET, MUMBLES, SWANSEA, SA3 4BH | £325,000 | 27/09/2023 | Terraced | | 4 GOWER PLACE, MUMBLES, SWANSEA, SA3 4AB | £271,000 | 20/09/2023 | Terraced | | 8 QUEENS ROAD, MUMBLES, SWANSEA, SA3 4AN | £280,000 | 16/08/2023 | Terraced | | 4 VICTORIA AVENUE, MUMBLES, SWANSEA, SA3 4NQ | £285,000 | 04/08/2023 | Terraced | | 15 QUEENS ROAD, MUMBLES, SWANSEA, SA3 4AW | £240,000 | 27/04/2023 | Terraced | | 22 CHAPEL STREET, MUMBLES, SWANSEA, SA3 4NH | £461,000 | 28/11/2022 | Terraced | | 57 NEWTON ROAD, MUMBLES, SWANSEA, SA3 4BL | £325,000 | 25/11/2022 | Terraced | | 14 GOWER PLACE, MUMBLES, SWANSEA, SA3 4AB | £392,500 | 14/11/2022 | Terraced | | 3 CASTLE SQUARE, MUMBLES, SWANSEA, SA3 4BJ | £290,000 | 28/10/2022 | Terraced | | 3 OAKLAND ROAD, MUMBLES, SWANSEA, SA3 4AQ | £396,000 | 06/10/2022 | Terraced | | 8 DUNNS LANE, MUMBLES, SWANSEA, SA3 4AA | £300,000 | 22/09/2022 | Terraced | | [Same street] 2 CASTLE STREET, MUMBLES, SWANSEA, SA3 4BH | £341,000 | 13/09/2022 | Terraced | | 7 OAKLAND ROAD, MUMBLES, SWANSEA, SA3 4AQ | £447,756 | 16/08/2022 | Terraced | | 20 WOODVILLE ROAD, MUMBLES, SWANSEA, SA3 4AD | £345,000 | 12/08/2022 | Terraced | | 114 CASTLE ROAD, MUMBLES, SWANSEA, SA3 5TA | £480,000 | 10/08/2022 | Terraced | | 35 LANGLAND ROAD, MUMBLES, SWANSEA, SA3 4LX | £455,000 | 29/07/2022 | Terraced | | 43 GLOUCESTER PLACE, MUMBLES, SWANSEA, SA3 4LF | £95,000 | 23/06/2022 | Terraced | | 22 VICTORIA AVENUE, MUMBLES, SWANSEA, SA3 4NG | £330,000 | 07/06/2022 | Terraced | **Street average:** £328,375 (4 sales) **Area average:** £333,888 (20 sales) ## Price vs local average *Outcode + property type (HousePrices, last 2 years).* - **Local average:** £274,533 (15 Terraced, SA3, 2024–2026) - **Deviation:** +63.9% ## Rental Range *ONS Price Index of Private Rents (Swansea). Low / Realistic / Optimistic = conservative / average / best case.* - **Low:** £752/mo - **Realistic:** £835/mo - **Optimistic:** £919/mo ## Rental Comparables *Residential lets from OpenRent and Rightmove for the area (same bedroom count). Use to validate rent estimates. Student lets are excluded.* | Title | Rent | Beds | Distance | As seen on | |------|------|------|------|------| | 2 Bed Terraced House, Castle Square, SA3 | £1,200/mo | 2 | 0.02 miles | OpenRent | | 2 Bed Penthouse, Newton Road, SA3 | £1,000/mo | 2 | 0.06 miles | OpenRent | | 2 Bed Flat, Oystermouth Court, SA3 | £995/mo | 2 | 0.18 miles | OpenRent | | 2 Bed Flat, Parkside, SA3 | £975/mo | 2 | 0.22 miles | OpenRent | | 2 Bed Terraced House, Park Street, SA3 | £2,600/mo | 2 | 0.27 miles | OpenRent | | 2 Bed Maisonette, Mumbles Road, SA3 | £1,200/mo | 2 | 0.45 miles | OpenRent | | 2 Bed Terraced House, Hatherleigh Drive, SA3 | £995/mo | 2 | 0.52 miles | OpenRent | | 2 Bed Flat, Langland, SA3 | £960/mo | 2 | 0.55 miles | OpenRent | **Average rent: £1,241/mo (8 listings)** ## 1% Rule - **Rent ratio:** 0.22% (weak for cashflow) - **Max investor price (0.8%):** £124,750 - **Target investor price (1%):** £99,800 *Monthly rent ÷ price. 1%+ = strong, 0.8–1% = okay, <0.8% = weak. Max investor price = rent ÷ 0.8% (Stoke-style target). Target investor price = rent ÷ 1% (strong cashflow band). Based on OpenRent comparables.* ## Rent-driven metrics *Based on OpenRent comparables (median £998/mo).* - **Gross yield:** 2.7% - **Cost-to-rent:** 37.6× - **Monthly cashflow:** £-899/mo (75% LTV, 3.95% APR (5yr fixed), 25yr term) - **Cash-on-cash ROI:** -8.3% *Gross yield = annual rent as % of price (no costs). Cost-to-rent = price ÷ annual rent (from OpenRent comparables); under 14× = strong, 14–16× = acceptable, 17×+ = compressed. Cashflow = rent − mortgage − 10% maintenance − £25/mo compliance; assumes 75% LTV, 3.95% APR (5yr fixed), 25yr term. ROI = annual profit ÷ cash in (deposit + 4% purchase costs).* ## Price per Square Metre - **£/m²:** £4,787/m² ## Capital growth trend *Land Registry outcode average from sold prices: last 12 months vs 5y and 10y ago.* - **5y growth:** -32% - **10y growth:** 11.2% ## House Price Index (HM Land Registry) *Official index for Swansea; Terraced series; as of March 2026.* - **1y growth (index):** 1.9% - **5y growth (index):** 26.7% - **10y growth (index):** 58.9% ## Flood risk - **Zone:** 1 - **Risk:** Low - **Source:** Job (default Low) [Check long-term flood risk (GOV.UK)](https://check-long-term-flood-risk.service.gov.uk/postcode)